KR20120039300A - Double-faced flexible flat cable and method for manufacturing thereof - Google Patents

Double-faced flexible flat cable and method for manufacturing thereof Download PDF

Info

Publication number
KR20120039300A
KR20120039300A KR1020100100940A KR20100100940A KR20120039300A KR 20120039300 A KR20120039300 A KR 20120039300A KR 1020100100940 A KR1020100100940 A KR 1020100100940A KR 20100100940 A KR20100100940 A KR 20100100940A KR 20120039300 A KR20120039300 A KR 20120039300A
Authority
KR
South Korea
Prior art keywords
insulating film
conductive wire
disposed
pair
dielectric
Prior art date
Application number
KR1020100100940A
Other languages
Korean (ko)
Other versions
KR101166518B1 (en
Inventor
윤상보
Original Assignee
은성산업(주)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 은성산업(주) filed Critical 은성산업(주)
Priority to KR20100100940A priority Critical patent/KR101166518B1/en
Publication of KR20120039300A publication Critical patent/KR20120039300A/en
Application granted granted Critical
Publication of KR101166518B1 publication Critical patent/KR101166518B1/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
    • H01B11/10—Screens specially adapted for reducing interference from external sources
    • H01B11/1091—Screens specially adapted for reducing interference from external sources with screen grounding means, e.g. drain wires
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0003—Apparatus or processes specially adapted for manufacturing conductors or cables for feeding conductors or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/08—Flat or ribbon cables
    • H01B7/0838—Parallel wires, sandwiched between two insulating layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/08—Flat or ribbon cables
    • H01B7/0861—Flat or ribbon cables comprising one or more screens

Abstract

The present invention is applied to a low voltage differential sinaling (LVDS) interface or digital home appliances such as LCD, LED TV, CCTV, Pick up, Blu-ray, digital camera, printer, copier, medical equipment, etc. It relates to a double-sided flexible flat cable that can block EMI) and a method of manufacturing the same.
Double-sided flexible flat cable according to the present invention and a method for manufacturing the reinforcement plate 200 is attached to both ends of the first insulating film 110, respectively, the upper and lower surfaces of the first insulating film 110 The first conductive wire 310 and the second conductive wire 320 are respectively disposed, the second insulating film 120 is disposed above the first conductive wire 310, and the third insulating film is disposed below the second conductive wire 320. 130 is disposed, and the connection part 600 exposed to the outside is formed at both ends of the first conductive wire 310 and the second conductive wire 320.

Description

Double-sided flexible flat cable and its manufacturing method {DOUBLE-FACED FLEXIBLE FLAT CABLE AND METHOD FOR MANUFACTURING THEREOF}

The present invention is applied to a low voltage differential sinaling (LVDS) interface or digital home appliances such as LCD, LED TV, CCTV, Pick up, Blu-ray, digital camera, printer, copier, medical equipment, etc. It relates to a double-sided flexible flat cable and a method for manufacturing the same that can block (EMI), and the frequency gain to impedance can be improved.

Flexible flat cable for LVDS (low voltage differential sinaling) interface or for signal transmission in digital home appliances such as LCD, LED TV, CCTV, Pick up, Blu-ray, digital camera, printer, copier, medical equipment Flexible Flat Cable) is used.

The flexible flat cable is accompanied by a high speed of signal transmission, and electromagnetic interference (EMI) becomes a problem. In other words, in the signal transmission, high frequency is accompanied, which leads to inevitable leakage of noise, and noise enters the adjacent cable and the electronic device, thereby causing adverse effects such as malfunction and transmission loss.

In order to solve this problem, Korean Patent Registration No. 10-0866497 (registered on October 28, 2008) has introduced "LVDS FFC".

The FFC for LCD is made of a polyester film, the lower insulator for blocking electricity and heat transfer, and a plurality of thin copper wires formed on the upper surface of the lower insulator at regular intervals along the longitudinal direction of the lower insulator An upper insulator of a polyester film formed on the lower insulator and a pad formed on a bottom surface of the lower insulator, surrounding the signal transmitting terminal, the signal transmitting terminal so that only a part of the mutual communication terminal is exposed; It is characterized in that it comprises a grounding terminal formed at the end of the bottom and shielding the noise and the aluminum foil shielding the EMI of the product itself while surrounding the pad and the portion of the grounding terminal.

However, the FFC for LCD uses an aluminum foil to shield EMI, but the manufacturing process of the aluminum foil is difficult, there is a problem that the manufacturing cost of the flexible flat cable increases according to the cost of the aluminum foil. .

In addition, when the coupling between the signal transmission terminal and the aluminum foil of the FPS for LCD becomes stronger, there is a problem that the impedance of the flexible flat cable is lowered.

Therefore, an object of the present invention is to form a flexible flat cable on both sides, when the copper wire on one side of the signal transmission, the copper wire on the other side functions as a shielding film, the manufacturing process of the shielding film is easier than the aluminum foil, It is to provide a double-sided flexible flat cable and a method of manufacturing the same that can perform a signal transmission or shielding function.

Another object of the present invention is to include a dielectric on one side of the conducting wire to perform signal transmission, the dielectric is to adjust the gap between the conducting wire and the ground to prevent the lowering of impedance and improve plasticity and flex resistance and It is to provide a preparation method thereof.

In order to achieve the above object, the double-sided flexible flat cable according to the first embodiment of the present invention has reinforcing plates attached to both ends of the first insulating film, respectively, and the first conductive wire and the upper and lower surfaces of the first insulating film. The second conductive wires are disposed, the second insulating film is disposed above the first conductive wire, the third insulating film is disposed below the second conductive wire, and both ends of the first conductive wire and the second conductive wire are exposed to the outside. The connection part is formed.

In order to achieve the above object, the double-sided flexible flat cable according to the second embodiment of the present invention has reinforcing plates attached to both ends of the first insulating film, and the first and second surfaces of the first insulating film. A conducting wire and a second conducting wire are respectively disposed, a first dielectric is disposed between any one of the first conducting wire and the second conducting wire and the first insulating film, and a second insulating film is disposed on the first conducting wire, A third insulating film is disposed below the second conductive line, and a connection part exposed to the outside is formed at both ends of the first conductive line and the second conductive line.

The double-sided flexible flat cable according to the third embodiment of the present invention for achieving the other object is attached to both ends of the first insulating film, respectively, reinforcement plate, the first and the first and the lower surface of the insulating film A dielectric and a second dielectric are respectively disposed, a first conductive line is disposed above the first dielectric, a second conductive line is disposed below the second dielectric, and a second insulating film is disposed above the first conductive line. The third insulating film is disposed below the second conductive wire, and the connection parts exposed to the outside are formed at both ends of the first conductive wire and the second conductive wire.

A double-sided flexible flat cable according to a fourth embodiment of the present invention for achieving the other object is a reinforcement plate is attached to both ends of the first dielectric, respectively, the first conductor and the upper and lower surfaces of the first dielectric and Second conductors are disposed respectively, a second insulating film is disposed above the first conductor, a third insulation film is disposed below the second conductor, and exposed to both ends of the first conductor and the second conductor. Characterized in that the connected portion is formed.

The double-sided flexible flat cable according to the fifth embodiment of the present invention for achieving the above another object is a reinforcement plate is attached to both ends of the first dielectric, the fourth insulating film is disposed on the first dielectric, The fifth insulating film is disposed below the first dielectric, the first conductive wire is disposed above the fourth insulating film, the second conductive wire is disposed below the fifth insulating film, and the second insulation is disposed above the first conductive wire. The film is disposed, and the third insulating film is disposed below the second conductive wire, and the connection parts exposed to the outside are formed at both ends of the first conductive wire and the second conductive wire.

The connection part may further include a reinforcing film attached to each end of the first conductive wire and the second conductive wire.

The connecting portion is characterized in that the engaging projection is formed on both sides.

Method for manufacturing a double-sided flexible flat cable according to a first embodiment of the present invention for achieving the above object is (a) the reinforcing plate is attached to the first insulating film at regular intervals as the first insulating film passes through the reinforcing plate bonding apparatus. step; (B) First insulation with a plurality of copper wires arranged in a line and a first insulation with a first insulation film with a reinforcement plate supplied to the first heat adhesive roller and thermally bonded, and a first insulation with a reinforcement plate The film is disposed between the first lead and the second lead; (C) forming a pair of exposed windows on the second insulating film released from the first bobbin, wherein the second insulating film is punched by a punching device such that an unperforated portion is formed between the pair of exposed windows; (D) forming a pair of exposed windows on the third insulating film released from the second bobbin, wherein the third insulating film is punched by a punching device such that an unperforated portion is formed between the pair of exposed windows; (E) a first conductive line and a second conductive line in which a second insulating film having a pair of exposed windows and a third insulating film having a pair of exposed windows corresponding to the second insulating film are output through the first heat-adhesive roller; A step of outputting a cable by supplying the second insulating film together with the aligned first insulating film to the second thermal bonding roller, wherein the second insulating film and the third insulating film are thermally bonded to surround the first insulating film including the conductive wires; (F) passing through the slitting device so that the cable (C) output from the thermal bonding roller is slitting to a predetermined width; (G) passing through the cutting device such that one end of the cable passing through the slitting device is cut to form a connection portion.

Method for manufacturing a double-sided flexible flat cable according to a second embodiment of the present invention for achieving the other object is (a) the reinforcing plate is attached to the first insulating film at regular intervals as the first insulating film passes through the reinforcing plate bonding apparatus. Becoming; (B) a step of disposing a first dielectric on one side of the first insulating film to which the reinforcing plate is attached and supplied to the first heat bonding roller to thermally bond the first alignment film and the first dielectric; (C) The first conductive line and the second conductive line including a plurality of copper wires arranged in a line are supplied to the second thermal bonding roller together with the first insulating film to which the first dielectric is attached, so that the first dielectric is attached to the first conductive line. Thermally bonding the thermal insulation film while being disposed between the first conductive wire and the second conductive wire; (C) forming a pair of exposed windows on the second insulating film released from the first bobbin, wherein the second insulating film is punched by a punching device such that an unperforated portion is formed between the pair of exposed windows; (D) forming a pair of exposed windows on the third insulating film released from the second bobbin, wherein the third insulating film is punched by a punching device such that an unperforated portion is formed between the pair of exposed windows; (E) a first conductive line and a second conductive line in which a second insulating film having a pair of exposed windows and a third insulating film having a pair of exposed windows corresponding to the second insulating film are output through a second heat-adhesive roller; The second insulating film and the third insulating film are supplied to a third thermal adhesive roller together with the attached first insulating film, and the second insulating film and the third insulating film are thermally bonded to surround the first insulating film including the wires, and the cable is outputted; (Bar) passing through the slitting device so that the cable output from the third heat-adhesive roller slits to a predetermined width; (G) passing through the cutting device such that one end of the cable passing through the slitting device is cut to form a connection portion.

Method for producing a double-sided flexible flat cable according to a third embodiment of the present invention for achieving the above another object comprises the steps of: (A) the first insulating film is passed through the reinforcing plate bonding apparatus attached to the reinforcing plate at regular intervals; (B) the first dielectric and the second dielectric are disposed on both sides of the first insulating film to which the reinforcing plate is attached and supplied to the first thermal bonding roller to be thermally bonded; (C) The first conductive line and the second conductive line including a plurality of copper wires arranged in a line are supplied to the second thermal adhesive roller together with the first insulating film to which the first dielectric material and the second dielectric material are attached, so that the first dielectric material and Thermally bonding the first insulation film to which the second dielectric material is attached while being disposed between the first conductor wire and the second conductor wire; (D) forming a pair of exposed windows on the second insulating film released from the first bobbin, wherein the second insulating film is perforated by a punching device such that an unperforated portion is formed between the pair of exposed windows; (E) forming a pair of exposed windows on the third insulating film released from the second bobbin, wherein the third insulating film is perforated by a punching device so that an unperforated portion is formed between the pair of exposed windows; (F) First and second conductive wires in which a second insulating film having a pair of exposed windows and a third insulating film having a pair of exposed windows corresponding to the second insulating film are output through a second heat-adhesive roller; The second insulating film and the third insulating film are supplied to a third thermal adhesive roller together with the attached first insulating film, and the second insulating film and the third insulating film are thermally bonded to surround the first insulating film including the wires, and the cable is outputted; (G) passing the slitting device so that the cable outputted from the third heat-adhesive roller slits to a predetermined width; And (h) passing through the cutting device such that one end of the cable passing through the slitting device is cut to form a connection portion.

Method for producing a double-sided flexible flat cable according to a fourth embodiment of the present invention for achieving the other object comprises the steps of (a) attaching the reinforcing plate at regular intervals as the first dielectric passes through the reinforcing plate bonding apparatus; (B) The first and second conductive wires including a plurality of copper wires arranged in a line are supplied to the first thermal bonding roller together with the first dielectric with reinforcing plate, and thermally bonded, and the first dielectric with reinforcing plate is Placing and aligning between the first lead and the second lead; (C) forming a pair of exposed windows on the second insulating film released from the first bobbin, wherein the second insulating film is punched by a punching device such that an unperforated portion is formed between the pair of exposed windows; (D) forming a pair of exposed windows on the third insulating film released from the second bobbin, wherein the third insulating film is punched by a punching device such that an unperforated portion is formed between the pair of exposed windows; (E) a first conductive line and a second conductive line in which a second insulating film having a pair of exposed windows and a third insulating film having a pair of exposed windows corresponding to the second insulating film are output through the first heat-adhesive roller; Supplied to the second thermal bonding roller together with the aligned first dielectric, wherein the second insulating film and the third insulating film are thermally bonded to surround the first dielectric including the conductive wires; (Bar) passing through the slitting device so that the cable output from the second heat-adhesive roller slits to a predetermined width; (G) passing through the cutting device such that one end of the cable passing through the slitting device is cut to form a connection portion.

Method for manufacturing a double-sided flexible flat cable according to a fifth embodiment of the present invention for achieving the other object comprises the steps of: (A) the first dielectric is passed through the reinforcing plate bonding apparatus, the reinforcing plate is attached at regular intervals; (B) a fourth insulating film and a fifth insulating film are disposed on both sides of the first dielectric having the reinforcing plate attached thereto, and the fourth insulating film and the fifth insulating film are disposed and supplied to the first thermal adhesive roller to be thermally bonded; (C) The first conductive wire and the second conductive wire including a plurality of copper wires arranged in a line are supplied to the second thermal adhesive roller together with the first dielectric having the fourth insulating film and the fifth insulating film attached thereto, and the fourth insulating film Thermally bonding the first dielectric having the film and the fifth insulating film attached thereto between the first and second conductors; (D) forming a pair of exposed windows on the second insulating film released from the first bobbin, wherein the second insulating film is perforated by a punching device such that an unperforated portion is formed between the pair of exposed windows; (E) forming a pair of exposed windows on the third insulating film released from the second bobbin, wherein the third insulating film is perforated by a punching device so that an unperforated portion is formed between the pair of exposed windows; (F) First and second conductive wires in which a second insulating film having a pair of exposed windows and a third insulating film having a pair of exposed windows corresponding to the second insulating film are output through a second heat-adhesive roller; The second dielectric film and the third insulating film are thermally bonded to surround the first dielectric including the conductive wires, and the cable is output to the third thermal adhesive roller together with the attached first dielectric; (G) passing through the slitting device such that the cable output from the third heat-adhesive roller slits to a predetermined width; And (h) passing through the cutting device such that one end of the cable passing through the slitting device is cut to form a connection portion.

When the cable is cut in the cutting device, the cable is cut in the direction of the cutting plane in each of the pair of exposed windows formed in the cable, characterized in that it further comprises the step of forming a connection portion exposed one end of the conductive wire.

Alternatively, when the cable is cut in the cutting device, the cable is cut in the direction of the cut surface formed in the cable and in the unperforated, respectively, characterized in that it further comprises the step of forming a connection portion is attached to the reinforcement film on one end of the lead wires. .

As a result, the double-sided flexible flat cable and the manufacturing method thereof have a copper shielding function on the other side when the copper wire on one side performs signal transmission, thus reducing the manufacturing cost and reducing the first and second wires. Since signals can be transmitted at the same time, additional cable extension is not required in a narrow space, and the dielectric can prevent a drop in impedance generated at the wire and the ground.

1 shows a double-sided flexible flat cable according to a first embodiment of the present invention, (a) is a side view, (b) is a plan view.
FIG. 2 is a view illustrating a state in which a reinforcing film is attached to one end of a conductive line of the double-sided flexible flat cable of FIG. 1, (a) is a side view, and (b) is a plan view.
3 is a plan view illustrating a state where a locking protrusion is formed in a connection portion of the double-sided flexible flat cable of FIG. 1.
4 is a side view showing a double-sided flexible flat cable according to a second embodiment of the present invention.
5 is a side view showing a double-sided flexible flat cable according to a third embodiment of the present invention.
6 is a side view showing a double-sided flexible flat cable according to a fourth embodiment of the present invention.
7 is a side view showing a double-sided flexible flat cable according to a fifth embodiment of the present invention.
8 is a schematic process diagram illustrating a method of manufacturing a double-sided flexible flat cable according to the first embodiment of the present invention.
9 is a view showing a state of being cut in the process of cutting the double-sided flexible flat cable according to the first, second and third embodiments of the present invention, (a) cut one end of the exposed surface of the cable (B) is a top view which cuts the one end of the unperforated part of a cable.
10 is a schematic process diagram showing a method of manufacturing a double-sided flexible flat cable according to a second embodiment of the present invention.
11 is a schematic process diagram illustrating a method of manufacturing a double-sided flexible flat cable according to a third embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

Referring to FIG. 1, in the double-sided flexible flat cable according to the first embodiment of the present invention, reinforcing plates 200 are attached to both ends of the first insulating film 110, respectively. The first conductive wire 310 and the second conductive wire 320 are disposed on the upper and lower surfaces, respectively, and the second insulating film 120 is disposed on the first conductive wire 310, and the second conductive wire 320 is disposed. The third insulating film 130 is disposed below the second insulating film 130, and the connection part 600 exposed to the outside is formed at both ends of the first conductive wire 310 and the second conductive wire 320.

The first conductive line 310 and the second conductive line 320 have a plurality of copper wires arranged in a line.

Referring to FIG. 2, the connection part 600 further includes a reinforcement film 500 attached to each of the front ends of the first conductive wire 310 and the second conductive wire 320.

As a result, the double-sided flexible flat cable is provided with a first conductive wire 310 and a second conductive wire 320 above and below the first insulating film 110, so that the first conductive wire 310 is used as a signal transmission conductor. At this time, the second conductive wire 320 exposed at one end of the connection part 600 is grounded to ground to block electromagnetic interference (EMI).

That is, one end of the first lead wire 310 or the second lead wire 320 is grounded so that internal and external electromagnetic influences fall to the ground, and the higher the frequency of the electromagnetic field, the better the effect.

In addition, when a low frequency signal is transmitted, the signal can be transmitted to both the first and second conductive wires 310 and 320, thereby reducing installation costs since additional cable C is not required in a narrow space. have.

In addition, the reinforcing plate 200 is attached to one side of the first insulating film 110 of the connecting portion 600, by giving rigidity to the cable (C) with high flexibility, the cable (C) can be connected to the connector At this time, the cable C is prevented from sagging or swaying.

In addition, the peeling of the tip of the conductive wire 300 from the first insulating film 110 may be prevented by the reinforcement film 500, so that the connection part 600 may have a connector (not shown). When it is inserted in, the connection failure can be prevented from occurring due to the peel-off phenomenon, even if the connection portion 600 is inserted into and removed from the socket (not shown) of the electronics again by the reinforcing film 500 Peel-off phenomenon that the end of the 300 is raised in the first insulating film 110 is prevented.

Referring to FIG. 3, the connection part 600 has locking protrusions 610 formed at both sides thereof.

As a result, the locking protrusion 610 may be caught by the connector, thereby preventing the connection part 600 from being pulled out of the connector.

For convenience of description, the components of the double-sided flexible flat cable according to the second to fifth embodiments of the present invention refer to the same reference numerals as those of the components of the double-sided flexible flat cable according to the first embodiment of the present invention. use.

Referring to FIG. 4, in the double-sided flexible flat cable according to the second embodiment of the present invention, reinforcing plates 200 are attached to both ends of the first insulating film 110, respectively. The first and second conductive wires 310 and 320 are disposed on the upper and lower surfaces, respectively, and any one of the first conductive wire 310 and the second conductive wire 320 and the first insulating film 110 are provided. The first dielectric 410 is disposed therebetween, the second insulating film 120 is disposed above the first conductive wire 310, and the third insulating film 130 is disposed below the second conductive wire 320. The connection parts 600 exposed to the outside are formed at both ends of the first conductive wire 310 and the second conductive wire 320.

The first dielectric 410 has the same width as that of the first conductive wire 310 and the second conductive wire 320, and is made of a nonwoven fabric to form an air-containing layer, and is excellent in heat resistance in response to heat generation of an electronic device. Fiber materials, such as cellulose, polyester, aramid, and polyimide, which are flame retardant, are used.

As a result, a first dielectric 410 is included between the first conducting wire 310 and the second conducting wire 320 which are used for signal transmission and ground, thereby changing the thickness of the first dielectric 410, thereby causing a signal. By controlling the dielectric constant of the transmission lead 300 at random, the characteristic impedance can be controlled, and the electrical characteristics such as transmission loss, eye pattern aperture ratio, and electromagnetic interference are controlled.

Referring to FIG. 5, in the double-sided flexible flat cable according to the third embodiment of the present invention, reinforcing plates 200 are attached to both ends of the first insulating film 110, respectively. A first dielectric 410 and a second dielectric 420 are disposed on upper and lower surfaces, respectively, and a first conductive wire 310 is disposed on the first dielectric 410, and the second dielectric 420 is disposed on the upper and lower surfaces. The second conductive wire 320 is disposed below the), the second insulating film 120 is disposed above the first conductive wire 310, and the third insulating film 130 is disposed below the second conductive wire 320. The connection part 600 is disposed, and the connection part 600 exposed to the outside is formed at both ends of the first conductive wire 310 and the second conductive wire 320.

 As a result, since the thickness of the entire dielectric material 400 is physically increased by the first dielectric material 410 and the second dielectric material 420, the first dielectric material 410 and the second dielectric material 420 are transferred to the first conductive wire 310 or the second conductive wire 320. The frequency gain with respect to the impedance generated in the signal may be improved to suit the characteristics of the transmitted signal.

Referring to FIG. 6, in the double-sided flexible flat cable according to the fourth embodiment of the present invention, reinforcing plates 200 are attached to both ends of the first dielectric 410, respectively, and an upper surface of the first dielectric 410 is provided. And a first conductive wire 310 and a second conductive wire 320 are disposed on the lower surface, and a second insulating film 120 is disposed on the first conductive wire 310, and a lower portion of the second conductive wire 320 is disposed. The third insulating film 130 is disposed on the connection portions 600, which are exposed to the outside at both ends of the first conductive line 310 and the second conductive line 320.

As a result, when the first dielectric 410 also includes an insulating property, and a low current is transmitted to the first and second conductive lines 110 and 120, the first dielectric 410 is insulated from the first dielectric 410. Replaces the first insulating film 110 of the double-sided flexible flat cable of the first embodiment of the present invention, and improves the frequency characteristic gain with respect to the impedance during the insulation and signal transmission process of the first conductive wire 110 and the second conductive wire 120 .

Referring to FIG. 7, in the double-sided flexible flat cable according to the fifth embodiment of the present invention, reinforcing plates 200 are attached to both ends of the first dielectric 410, respectively, and the upper portion of the first dielectric 410 is provided. A fourth insulating film 140 is disposed, a fifth insulating film 150 is disposed below the first dielectric layer 410, a first conductive line 310 is disposed on the fourth insulating film 140, and The second conductive wire 320 is disposed below the fifth insulating film 150, the second insulating film 120 is disposed above the first conductive wire 310, and the second conductive wire 320 is disposed below the second conductive wire 320. The third insulating film 130 is disposed, and the connection part 600 exposed to the outside is formed at both ends of the first conductive wire 310 and the second conductive wire 320.

As a result, when the first dielectric 410 also includes an insulating property, and a high current is transmitted to the first and second conductive lines 110 and 120, the first dielectric 410 cannot sufficiently insulate. The fourth insulating film 140 and the fifth insulating film 150 are disposed around the first dielectric, so that the insulation between the first conductive wire 110 and the second conductive wire 120 is strengthened and in the signal transmission process. Frequency characteristic gain to impedance is improved.

The first to fifth insulating films 110, 120, 130, 140 and 150 are preferably made of a polyester material.

Referring to Figure 8, the manufacturing method of the double-sided flexible flat cable according to the first embodiment of the present invention is made as follows.

(A) As the first insulating film 110 passes through the reinforcing plate bonding apparatus 10, the reinforcing plate 200 is attached to the first insulating film 110 at regular intervals.

(B) The first thermal bonding roller (1) and the second conductive wire (320) including a plurality of copper wires arranged in a line together with the first insulating film (110) to which the reinforcing plate (200) is attached. The first insulating film 110, which is supplied to 50a and thermally bonded, and has the reinforcing plate 200 attached thereto, is disposed between the first conductive wire 310 and the second conductive wire 320.

(C) forming a pair of exposed window 700 in the second insulating film 120 released from the first bobbin 30, so that the unperforated portion 750 is formed between the pair of exposed window 700 2 The insulating film 120 is punched by the punching device 60a.

(D) forming a pair of exposed windows 700 on the third insulating film 130 released from the second bobbin 40, but forming a non-perforated portion 750 between the pair of exposed windows 700; 3 insulating film 130 is punched by punching device 60b.

(E) The second insulating film 120 having a pair of exposed windows 700 and the third insulating film 130 having a pair of exposed windows 700 corresponding to the second insulating film 120. The first conductive wire 310 and the second conductive wire 320 outputted through the first thermal adhesive roller 50a are supplied to the second thermal adhesive roller 50b together with the aligned first insulating film 110. The second insulating film 120 and the third insulating film 130 are thermally bonded to surround the first insulating film 110 including the conductive wires 310 and 320 so that the cable C is output.

(F) The cable C outputted from the thermal bonding roller 50 passes through the slitting device 70 so as to slits to a predetermined width.

At this time, the slitting width d1 should be narrower than the width d2 of the punching window.

(G) One end of the cable C passing through the slitting device 70 is cut and passes through the cutting device 80 so that the connection part 600 is formed.

(H) Referring to Fig. 9A, when the cable C is cut in the cutting device 80, the cut surfaces A1 and A2 in the pair of exposed windows 700 formed in the cable C. The cable C is cut in each direction to form a connection part 600 where one end of the conductive wire 300 is exposed.

Referring to FIG. 9B, or when the cable C is cut in the cutting device 80, cut surfaces A3 and A4 formed in the cable C and at the unperforated portion 750. The cable C is cut in each direction to form a connection part 600 to which the reinforcement film 500 is attached to one end of the conductive wire 300.

Referring to Figure 10, the manufacturing method of the double-sided flexible flat cable according to the second embodiment of the present invention is made as follows.

(A) As the first insulating film 110 passes through the reinforcing plate bonding apparatus 10, the reinforcing plate 200 is attached to the first insulating film 110 at regular intervals.

(B) The first dielectric film 410 is disposed on one side of the first insulating film 110 to which the reinforcing plate 200 is attached, and is supplied to the first heat-adhesive roller 50a to provide the first alignment film 110. The first dielectric 410 is thermally bonded.

(C) The second thermal adhesive roller together with the first cutting film 110 having the first dielectric wire 410 attached to the first conductive wire 310 and the second conductive wire 320 including a plurality of copper wires arranged in a row. The first cutting film 110, to which the first dielectric 410 is attached, is supplied to 50b and is thermally bonded while being disposed between the first conductive wire 310 and the second conductive wire 320.

(C) forming a pair of exposed window 700 in the second insulating film 120 released from the first bobbin 30, so that the unperforated portion 750 is formed between the pair of exposed window 700 2 The insulating film 120 is punched by the punching device 60a.

(D) forming a pair of exposed windows 700 on the third insulating film 130 released from the second bobbin 40, but forming a non-perforated portion 750 between the pair of exposed windows 700; 3 insulating film 130 is punched by punching device 60b.

(E) The second insulating film 120 having a pair of exposed windows 700 and the third insulating film 130 having a pair of exposed windows 700 corresponding to the second insulating film 120. It is supplied to the third thermal bonding roller 50c together with the first insulating film 110 having the first conductive wire 310 and the second conductive wire 320 attached thereto, which are output through the second thermal adhesive roller 50b. The second insulating film 120 and the third insulating film 130 are thermally bonded to surround the first insulating film 110 including the conductive wires 310 and 320 so that the cable C is output.

(F) The cable C output from the third thermal bonding roller 50c passes through the slitting device 70 so as to slits to a predetermined width.

At this time, the slitting width d1 should be narrower than the width d2 of the punching window.

(G) One end of the cable C passing through the slitting device 70 is cut and passes through the cutting device 80 so that the connection part 600 is formed.

Referring to Figure 11, the manufacturing method of the double-sided flexible flat cable according to the third embodiment of the present invention is as follows.

(A) As the first insulating film 110 passes through the reinforcing plate bonding apparatus 10, the reinforcing plate 200 is attached at regular intervals.

(B) The first dielectric film 410 and the second dielectric material 420 are disposed on both sides of the first insulating film 110 to which the reinforcing plate 200 is attached and supplied to the first thermal adhesive roller 50a to heat Are glued.

(C) The first thermal insulation film 110 having the first conductive wire 310 and the second conductive wire 320 including the plurality of copper wires arranged in a line to which the first dielectric material 410 and the second dielectric material 420 are attached. The first thermal insulation film 110 is supplied to the second thermal adhesive roller 50b to attach the first dielectric film 410 and the second dielectric film 420 to the first conductive wire 310 and the second conductive wire 320. Are heat bonded together.

(D) forming a pair of exposed windows 700 on the second insulating film 120 released from the first bobbin 30, but forming a non-perforated portion 750 between the pair of exposed windows 700; 2 The insulating film 120 is punched by the punching device 60a.

(E) Forming a pair of exposed windows 700 on the third insulating film 130 released from the second bobbin 40, the micro-perforated portion 750 is formed between the pair of exposed windows 700 3 insulating film 130 is punched by punching device 60b.

(F) A second insulating film 120 having a pair of exposed windows 700 and a third insulating film 130 having a pair of exposed windows 700 corresponding to the second insulating film 120. It is supplied to the third thermal bonding roller 50c together with the first insulating film 110 having the first conductive wire 310 and the second conductive wire 320 attached thereto, which are output through the second thermal adhesive roller 50b. The second insulating film 120 and the third insulating film 130 are thermally bonded to surround the first insulating film 110 including the conductive wires 310 and 320 so that the cable C is output.

(G) The cable C output from the third thermal bonding roller 50c passes through the slitting device 70 so as to slits to a predetermined width.

At this time, the slitting width d1 should be narrower than the width d2 of the punching window.

(H) One end of the cable C passing through the slitting device 70 is cut and passes through the cutting device 80 so that the connection part 600 is formed.

12, a method of manufacturing a double-sided flexible flat cable according to a fourth embodiment of the present invention is as follows.

(A) As the first dielectric 410 passes through the reinforcing plate bonding apparatus 10, the reinforcing plate 200 is attached at regular intervals.

(B) The first thermal bonding roller 50a includes the first conductive wire 310 and the second conductive wire 320 having a plurality of copper wires arranged in a line together with the first dielectric material 410 to which the reinforcing plate 200 is attached. The first dielectric material 410 is supplied and thermally bonded, and the reinforcing plate 200 is attached to the first dielectric wire 410 and the second conductive wire 320.

(C) forming a pair of exposed window 700 in the second insulating film 120 released from the first bobbin 30, so that the unperforated portion 750 is formed between the pair of exposed window 700 2 The insulating film 120 is punched by the punching device 60a.

(D) forming a pair of exposed windows 700 on the third insulating film 130 released from the second bobbin 40, but forming a non-perforated portion 750 between the pair of exposed windows 700; 3 insulating film 130 is punched by punching device 60b.

(E) The second insulating film 120 having a pair of exposed windows 700 and the third insulating film 130 having a pair of exposed windows 700 corresponding to the second insulating film 120. The first conductive wire 310 and the second conductive wire 320 outputted through the first thermal adhesive roller 50a are supplied to the second thermal adhesive roller 50b together with the aligned first dielectric 410. The second insulating film 120 and the third insulating film 130 are thermally bonded to surround the first dielectric 410 including the conductive wire 300.

(F) The cable C outputted from the second thermal bonding roller 50b passes through the slitting device 70 so as to slits to a predetermined width.

At this time, the slitting width d1 should be narrower than the width d2 of the punching window.

(G) One end of the cable C passing through the slitting device 70 is cut and passes through the cutting device 80 so that the connection part 600 is formed.

Referring to Figure 13, the manufacturing method of the double-sided flexible flat cable according to the fifth embodiment of the present invention is as follows.

(A) As the first dielectric 410 passes through the reinforcing plate bonding apparatus 10, the reinforcing plate 200 is attached at regular intervals.

(B) The fourth insulating film 140 and the fifth insulating film 150 are disposed on both sides of the first dielectric 410 to which the reinforcing plate 200 is attached, and are supplied to the first thermal adhesive roller 50a. It is heat bonded.

(C) The first dielectric wire 410 to which the first conductive wire 310 and the second conductive wire 320 including the plurality of copper wires arranged in a line are attached to the fourth insulating film 140 and the fifth insulating film 150. And the first dielectric 410 to which the fourth insulating film 140 and the fifth insulating film 150 are attached are supplied to the second thermal adhesive roller 50b. While being disposed between the 320 is thermally bonded.

(D) forming a pair of exposed windows 700 on the second insulating film 120 released from the first bobbin 30, but forming a non-perforated portion 750 between the pair of exposed windows 700; 2 The insulating film 120 is punched by the punching device 60a.

(E) Forming a pair of exposed windows 700 on the third insulating film 130 released from the second bobbin 40, the micro-perforated portion 750 is formed between the pair of exposed windows 700 3 insulating film 130 is punched by punching device 60b.

(F) A second insulating film 120 having a pair of exposed windows 700 and a third insulating film 130 having a pair of exposed windows 700 corresponding to the second insulating film 120. It is supplied to the 3rd heat bonding roller 50c with the 1st dielectric material 410 with which the 1st conducting wire 310 and the 2nd conducting wire 320 which were output through this 2nd heat bonding roller 50b were attached, The second insulating film 120 and the third insulating film 130 are thermally bonded to surround the first dielectric 410 including the conductive wires 310 and 320, so that the cable C is output.

(G) The cable C output from the third thermal bonding roller 50c passes through the slitting device 70 so as to slits to a predetermined width.

At this time, the slitting width d1 should be narrower than the width d2 of the punching window.

(H) One end of the cable C passing through the slitting device 70 is cut and passes through the cutting device 80 so that the connection part 600 is formed.

Reference numerals 91 and 92 denote winding rolls on which the first conductive wire 310 and the second conductive wire 320 are wound.

Reference numeral 93, 94 denotes a winding roll on which the fourth alignment film 140 and the fifth alignment film 150 are wound.

Reference numeral 95 and 96 are winding rolls in which the first dielectric 410 and the second dielectric 420 are wound.

10: reinforcing plate bonding device
30: 1st bobbin 40: 2nd bobbin
50a: 1st heat adhesion roller 60a, 60b: punching apparatus
70: slitting device 80: cutting device
100: insulation film
200: gusset
300: lead wire
400: dielectric
500: reinforcement film
600: connection
C: cable

Claims (14)

Reinforcing plates 200 are attached to both ends of the first insulating film 110, respectively, and first and second conductive wires 310 and 320 are disposed on upper and lower surfaces of the first insulating film 110. Each of which is disposed, the second insulating film 120 is disposed above the first conductive wire 310, the third insulating film 130 is disposed below the second conductive wire 320, and the first conductive wire 310 is disposed. And a connecting part 600 exposed to the outside at both ends of the second conductive wire 320.
Reinforcing plates 200 are attached to both ends of the first insulating film 110, respectively, and first and second conductive wires 310 and 320 are disposed on upper and lower surfaces of the first insulating film 110. The first dielectric 410 is disposed between each of the first conductive wire 310 and the second conductive wire 320 and the first insulating film 110, and the upper portion of the first conductive wire 310 is disposed. The second insulating film 120 is disposed on the second insulating film 130, and the third insulating film 130 is disposed below the second conductive wire 320, and both ends of the first conductive wire 310 and the second conductive wire 320 are disposed outside. Double-sided flexible flat cable, characterized in that the exposed connection portion 600 is formed.
Reinforcement plates 200 are attached to both ends of the first insulating film 110, respectively, and the first and second dielectrics 410 and 420 are disposed on the upper and lower surfaces of the first insulating film 110, respectively. Each of which is disposed, a first conductive line 310 is disposed above the first dielectric 410, a second conductive line 320 is disposed below the second dielectric 420, and the first conductive line 310 is disposed. The second insulating film 120 is disposed above the second insulating film 120, and the third insulating film 130 is disposed below the second conductive wire 320, and is disposed at both ends of the first conductive wire 310 and the second conductive wire 320. Double-sided flexible flat cable, characterized in that the connection portion 600 is exposed to the outside.
Reinforcing plates 200 are attached to both ends of the first dielectric 410, respectively, and first and second conductive wires 310 and 320 are disposed on upper and lower surfaces of the first dielectric 410, respectively. The second insulating film 120 is disposed above the first conductive wire 310, the third insulating film 130 is disposed below the second conductive wire 320, and the first conductive wire 310 and the first conductive wire 310 are disposed on the first conductive wire 310. Double-sided flexible flat cable, characterized in that the connection portion 600 exposed to the outside at both ends of the conducting wire (320) is formed.
Reinforcing plates 200 are attached to both ends of the first dielectric 410, and a fourth insulating film 140 is disposed on the first dielectric 410, and a lower portion of the first dielectric 410 is formed. A fifth insulating film 150 is disposed, a first conductive wire 310 is disposed on the fourth insulating film 140, a second conductive wire 320 is disposed below the fifth insulating film 150, and The second insulating film 120 is disposed above the first conductive wire 310, the third insulating film 130 is disposed below the second conductive wire 320, and the first conductive wire 310 and the second conductive wire are disposed. Double-sided flexible flat cable, characterized in that the connecting portion 600 is formed exposed at both ends of the (320).
6. The method according to any one of claims 1 to 5,
The connecting part 600 further includes a reinforcement film 500 attached to the front ends of the first conductive wire 310 and the second conductive wire 320, respectively.
The method according to claim 6,
The connecting portion 600 is a double-sided flexible flat cable, characterized in that the engaging projection 610 is formed on both sides.
(A) attaching the reinforcing plate 200 to the first insulating film 110 at regular intervals while the first insulating film 110 passes through the reinforcing plate bonding apparatus 10;
(B) The first thermal bonding roller (1) and the second conductive wire (320) including a plurality of copper wires arranged in a line together with the first insulating film (110) to which the reinforcing plate (200) is attached. A first insulating film 110 supplied with 50a) and thermally bonded, and having a reinforcing plate 200 attached thereto, disposed between the first conductive wire 310 and the second conductive wire 320;
(C) forming a pair of exposed window 700 in the second insulating film 120 released from the first bobbin 30, so that the unperforated portion 750 is formed between the pair of exposed window 700 2 insulating film 120 is punched by the punching device (60a);
(D) forming a pair of exposed windows 700 on the third insulating film 130 released from the second bobbin 40, but forming a non-perforated portion 750 between the pair of exposed windows 700; 3 insulating film 130 is punched by the punching device (60b);
(E) The second insulating film 120 having a pair of exposed windows 700 and the third insulating film 130 having a pair of exposed windows 700 corresponding to the second insulating film 120. The first conductive wire 310 and the second conductive wire 320 outputted through the first thermal adhesive roller 50a are supplied to the second thermal adhesive roller 50b together with the aligned first insulating film 110. The second insulating film 120 and the third insulating film 130 is thermally bonded to surround the first insulating film 110 including the conductive wires (310,320) to output the cable (C);
(Bar) passing through the slitting device (70) so that the cable (C) output from the thermal bonding roller (50) is slitting to a predetermined width;
(G) a step of passing through the cutting device 80 so that one end of the cable (C) passing through the slitting device 70 is formed to form the connection portion 600 of the double-sided flexible flat cable Manufacturing method.
(A) attaching the reinforcing plate 200 to the first insulating film 110 at regular intervals while the first insulating film 110 passes through the reinforcing plate bonding apparatus 10;
(B) The first dielectric film 410 is disposed on one side of the first insulating film 110 to which the reinforcing plate 200 is attached, and is supplied to the first heat-adhesive roller 50a to provide the first alignment film 110. Thermally bonding the first dielectric 410;
(C) The second thermal adhesive roller together with the first cutting film 110 having the first dielectric wire 410 attached to the first conductive wire 310 and the second conductive wire 320 including a plurality of copper wires arranged in a row. Supplied to 50b to thermally bond the first thermal insulation film 110 to which the first dielectric material 410 is disposed while being disposed between the first conductive wire 310 and the second conductive wire 320;
(C) forming a pair of exposed window 700 in the second insulating film 120 released from the first bobbin 30, so that the unperforated portion 750 is formed between the pair of exposed window 700 2 insulating film 120 is punched by the punching device (60a);
(D) forming a pair of exposed windows 700 on the third insulating film 130 released from the second bobbin 40, but forming a non-perforated portion 750 between the pair of exposed windows 700; 3 insulating film 130 is punched by the punching device (60b);
(E) The second insulating film 120 having a pair of exposed windows 700 and the third insulating film 130 having a pair of exposed windows 700 corresponding to the second insulating film 120. It is supplied to the third thermal bonding roller 50c together with the first insulating film 110 having the first conductive wire 310 and the second conductive wire 320 attached thereto, which are output through the second thermal adhesive roller 50b. The second insulating film 120 and the third insulating film 130 is thermally bonded to surround the first insulating film 110 including the conductive wires (310,320) to output the cable (C);
(Bar) passing through the slitting device (70) so that the cable (C) output from the third thermal bonding roller (50c) is slitting to a predetermined width;
(G) a step of passing through the cutting device 80 so that one end of the cable (C) passing through the slitting device 70 is formed to form the connection portion 600 of the double-sided flexible flat cable Manufacturing method.
(A) the first insulating film 110 is passed through the reinforcing plate bonding apparatus 10 while the reinforcing plate 200 is attached at regular intervals;
(B) The first dielectric film 410 and the second dielectric material 420 are disposed on both sides of the first insulating film 110 to which the reinforcing plate 200 is attached and supplied to the first thermal adhesive roller 50a to heat Bonding;
(C) The first thermal insulation film 110 having the first conductive wire 310 and the second conductive wire 320 including the plurality of copper wires arranged in a line to which the first dielectric material 410 and the second dielectric material 420 are attached. The first thermal insulation film 110 is supplied to the second thermal adhesive roller 50b to attach the first dielectric film 410 and the second dielectric film 420 to the first conductive wire 310 and the second conductive wire 320. Thermally bonded while being disposed between);
(D) forming a pair of exposed windows 700 on the second insulating film 120 released from the first bobbin 30, but forming a non-perforated portion 750 between the pair of exposed windows 700; 2 insulating film 120 is punched by the punching device (60a);
(E) Forming a pair of exposed windows 700 on the third insulating film 130 released from the second bobbin 40, the micro-perforated portion 750 is formed between the pair of exposed windows 700 3 insulating film 130 is punched by the punching device (60b);
(F) A second insulating film 120 having a pair of exposed windows 700 and a third insulating film 130 having a pair of exposed windows 700 corresponding to the second insulating film 120. It is supplied to the third thermal bonding roller 50c together with the first insulating film 110 having the first conductive wire 310 and the second conductive wire 320 attached thereto, which are output through the second thermal adhesive roller 50b. The second insulating film 120 and the third insulating film 130 is thermally bonded to surround the first insulating film 110 including the conductive wires (310,320) to output the cable (C);
(G) passing the slitting device (70) so that the cable (C) output from the third thermal bonding roller (50c) is slit to a predetermined width;
(H) passing through the cutting device 80 so that one end of the cable (C) passing through the slitting device 70 is cut to form the connection portion 600 of the double-sided flexible flat cable Manufacturing method.
(A) attaching the reinforcing plate 200 at a predetermined interval while the first dielectric 410 is passed through the reinforcing plate bonding apparatus 10;
(B) The first thermal bonding roller 50a includes the first conductive wire 310 and the second conductive wire 320 having a plurality of copper wires arranged in a line together with the first dielectric material 410 to which the reinforcing plate 200 is attached. A first dielectric 410 to which the first dielectric 410 to which the reinforcing plate 200 is attached is disposed and aligned between the first conductive line 310 and the second conductive line 320;
(C) forming a pair of exposed window 700 in the second insulating film 120 released from the first bobbin 30, so that the unperforated portion 750 is formed between the pair of exposed window 700 2 insulating film 120 is punched by the punching device (60a);
(D) forming a pair of exposed windows 700 on the third insulating film 130 released from the second bobbin 40, but forming a non-perforated portion 750 between the pair of exposed windows 700; 3 insulating film 130 is punched by the punching device (60b);
(E) The second insulating film 120 having a pair of exposed windows 700 and the third insulating film 130 having a pair of exposed windows 700 corresponding to the second insulating film 120. The first conductive wire 310 and the second conductive wire 320 outputted through the first thermal adhesive roller 50a are supplied to the second thermal adhesive roller 50b together with the aligned first dielectric 410. Thermally bonding the second insulating film 120 and the third insulating film 130 to surround the first dielectric 410 including the conductive wire 300;
(Bar) passing through the slitting device (70) so that the cable (C) output from the second heat bonding roller (50b) is slitting to a predetermined width;
(G) a step of passing through the cutting device 80 so that one end of the cable (C) passing through the slitting device 70 is formed to form the connection portion 600 of the double-sided flexible flat cable Manufacturing method.
(A) attaching the reinforcing plate 200 at regular intervals while the first dielectric 410 is passed through the reinforcing plate bonding apparatus 10;
(B) The fourth insulating film 140 and the fifth insulating film 150 are disposed on both sides of the first dielectric 410 to which the reinforcing plate 200 is attached, and are supplied to the first thermal adhesive roller 50a. Thermally bonding;
(C) The first dielectric wire 410 to which the first conductive wire 310 and the second conductive wire 320 including the plurality of copper wires arranged in a line are attached to the fourth insulating film 140 and the fifth insulating film 150. And the first dielectric 410 to which the fourth insulating film 140 and the fifth insulating film 150 are attached are supplied to the second thermal adhesive roller 50b. Being thermally bonded while being disposed between the 320;
(D) forming a pair of exposed windows 700 on the second insulating film 120 released from the first bobbin 30, but forming a non-perforated portion 750 between the pair of exposed windows 700; 2 insulating film 120 is punched by the punching device (60a);
(E) Forming a pair of exposed windows 700 on the third insulating film 130 released from the second bobbin 40, the micro-perforated portion 750 is formed between the pair of exposed windows 700 3 insulating film 130 is punched by the punching device (60b);
(F) A second insulating film 120 having a pair of exposed windows 700 and a third insulating film 130 having a pair of exposed windows 700 corresponding to the second insulating film 120. It is supplied to the 3rd heat bonding roller 50c with the 1st dielectric material 410 with which the 1st conductive wire 310 and the 2nd conductive wire 320 which were output through this 2nd thermal bonding roller 50b were attached, Outputting a cable (C) by thermally bonding the second insulating film (120) and the third insulating film (130) to surround the first dielectric material (410) including the conductive wires (310,320);
(G) passing through the slitting device (70) so that the cable (C) output from the third thermal bonding roller (50c) is slitting to a predetermined width;
(H) passing through the cutting device 80 so that one end of the cable (C) passing through the slitting device 70 is cut to form the connection portion 600 of the double-sided flexible flat cable Manufacturing method.
13. The method according to any one of claims 8 to 12,
When the cable C is cut in the cutting device 80, the cable C is cut in the direction of cut surfaces A1 and A2 in the pair of exposed windows 700 formed in the cable C, respectively, to form a conductive wire ( Method for manufacturing a double-sided flexible flat cable, characterized in that it further comprises the step of forming a connection portion 600 is exposed end of 300.
13. The method according to any one of claims 8 to 12,
When the cable (C) is cut in the cutting device 80, the cable (C) formed in the cable (C) and in the uncut holes 750 in the cutting plane (A3, A4) direction is cut, respectively, the conductive wire 300 Method for producing a double-sided flexible flat cable characterized in that it further comprises the step of forming a connection portion 600 is attached to the reinforcement film 500 at one end of the.
KR20100100940A 2010-10-15 2010-10-15 Double-faced flexible flat cable and method for manufacturing thereof KR101166518B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20100100940A KR101166518B1 (en) 2010-10-15 2010-10-15 Double-faced flexible flat cable and method for manufacturing thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20100100940A KR101166518B1 (en) 2010-10-15 2010-10-15 Double-faced flexible flat cable and method for manufacturing thereof

Publications (2)

Publication Number Publication Date
KR20120039300A true KR20120039300A (en) 2012-04-25
KR101166518B1 KR101166518B1 (en) 2012-07-20

Family

ID=46139708

Family Applications (1)

Application Number Title Priority Date Filing Date
KR20100100940A KR101166518B1 (en) 2010-10-15 2010-10-15 Double-faced flexible flat cable and method for manufacturing thereof

Country Status (1)

Country Link
KR (1) KR101166518B1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101285689B1 (en) * 2013-02-12 2013-07-12 주식회사 영 신 Impedance matching and one electromagnetic shielding type flexible flat cable and the manufacturing method
KR20150139684A (en) * 2014-06-03 2015-12-14 삼성디스플레이 주식회사 Flexible circuit film and display apparatus having the same
CN106128581A (en) * 2016-08-30 2016-11-16 佛山市顺德区禾惠电子有限公司 A kind of aging resistance FFC wire rod
CN106297993A (en) * 2016-11-05 2017-01-04 东莞市田津电子科技有限公司 Flexible flat cable processing technology and structure thereof
KR20200000938A (en) * 2018-06-26 2020-01-06 엘지이노텍 주식회사 A lens moving unit, and camera module and optical instrument including the same
KR20210027323A (en) * 2014-06-03 2021-03-10 삼성디스플레이 주식회사 Flexible circuit film and display apparatus having the same
KR102245427B1 (en) * 2020-08-18 2021-05-10 은성산업(주) Method for manufacturing flexible flat cable with peel-off protection and flexible flat cable with peel-off protection made thereby

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105895198A (en) * 2016-05-30 2016-08-24 佛山市顺德区禾惠电子有限公司 V-BY-ONE high-speed transmission structure and connecting device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005078811A (en) * 2003-08-29 2005-03-24 Shibata:Kk Electrode part structure of flexible flat cable, flexible flat cable, and its manufacturing method
JP2010192287A (en) * 2009-02-19 2010-09-02 Sumitomo Electric Ind Ltd Flexible flat high-frequency cable terminal connection structure for high-speed transmission, and method of manufacturing the same

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101285689B1 (en) * 2013-02-12 2013-07-12 주식회사 영 신 Impedance matching and one electromagnetic shielding type flexible flat cable and the manufacturing method
KR20150139684A (en) * 2014-06-03 2015-12-14 삼성디스플레이 주식회사 Flexible circuit film and display apparatus having the same
KR20210027323A (en) * 2014-06-03 2021-03-10 삼성디스플레이 주식회사 Flexible circuit film and display apparatus having the same
US10980118B2 (en) 2014-06-03 2021-04-13 Samsung Display Co., Ltd. Flexible circuit film including flexible films facing each other with wirings arranged there between
US11452207B2 (en) 2014-06-03 2022-09-20 Samsung Display Co., Ltd. Flexible circuit film and display apparatus having the same
US11653449B2 (en) 2014-06-03 2023-05-16 Samsung Display Co., Ltd. Flexible circuit film and display apparatus having the same
CN106128581A (en) * 2016-08-30 2016-11-16 佛山市顺德区禾惠电子有限公司 A kind of aging resistance FFC wire rod
CN106297993A (en) * 2016-11-05 2017-01-04 东莞市田津电子科技有限公司 Flexible flat cable processing technology and structure thereof
CN106297993B (en) * 2016-11-05 2018-09-04 东莞市田津电子科技有限公司 Flexible flat cable manufacture craft and its structure
KR20200000938A (en) * 2018-06-26 2020-01-06 엘지이노텍 주식회사 A lens moving unit, and camera module and optical instrument including the same
US11665414B2 (en) 2018-06-26 2023-05-30 Lg Innotek Co., Ltd. Camera module and optical device including same
KR102245427B1 (en) * 2020-08-18 2021-05-10 은성산업(주) Method for manufacturing flexible flat cable with peel-off protection and flexible flat cable with peel-off protection made thereby

Also Published As

Publication number Publication date
KR101166518B1 (en) 2012-07-20

Similar Documents

Publication Publication Date Title
KR101166518B1 (en) Double-faced flexible flat cable and method for manufacturing thereof
KR101100056B1 (en) Flat cable
KR101160497B1 (en) Flat cable
US9271392B2 (en) Rigid flexible circuit board with impedance control
KR101337592B1 (en) Composite flexible circuit planar cable
US20140014409A1 (en) Differential mode signal transmission module
JP2009146694A (en) Shield flat cable
JP5309766B2 (en) Shielded flat cable
IL99028A (en) Electrical cable and method of maunfacturing same
JP2005259359A (en) Flat cable, plate-like cable sheet and manufacturing method for plate-like sheet
CN104798248B (en) Transmission line and electronic equipment
JP7067275B2 (en) Shielded flat cable
JP2013247111A (en) Flexible circuit cable having at least two bundled wire groups
JP2002117726A (en) Flexible cable
JP2015005744A (en) Attenuation reduction grounding structure for differential-mode signal transmission lines of flexible circuit board
CN1956273A (en) Cable connector
CN114144945A (en) Flexible cable
WO2011016192A1 (en) Circuit board
CN105450195B (en) Common mode filter
JP2010129475A (en) Flexible flat cable excellent in dielectric characteristics and flexibility
JP2011023547A (en) Circuit board
KR101056324B1 (en) Shielded flat cable
TWI397085B (en) Shield flat cable
CN211457494U (en) Flexible circuit board
CN213401742U (en) Flexible flat cable and electronic device

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20150710

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20160624

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20170426

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20180510

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20190527

Year of fee payment: 8