CN202713774U - Flexible printed circuit board - Google Patents
Flexible printed circuit board Download PDFInfo
- Publication number
- CN202713774U CN202713774U CN 201220304100 CN201220304100U CN202713774U CN 202713774 U CN202713774 U CN 202713774U CN 201220304100 CN201220304100 CN 201220304100 CN 201220304100 U CN201220304100 U CN 201220304100U CN 202713774 U CN202713774 U CN 202713774U
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- Prior art keywords
- circuit board
- flexible circuit
- main body
- tearing
- glue
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- Expired - Lifetime
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Abstract
The utility model provides a flexible printed circuit board. The flexible printed circuit board comprises a circuit board main body, and a connection component which covers the circuit board main body. The circuit board main body comprises a substrate, and a circuit which is arranged on the substrate. The connection component comprises a release paper which covers the circuit board main body, and a plurality of glue layers which are stuck onto the lower portion of the release paper separately for bonding the outside. The plurality of glue layers are bonded onto the circuit board main body, and a tearing element for tearing the release paper is arranged at the edge portion of the release paper between the plurality of glue layers. The flexible printed circuit board provided in the utility model has advantages of convenient and efficient bonding element bonding and tearing and good product yield.
Description
Technical field
The utility model relates to a kind of circuit board, relates in particular to a kind of being convenient to and fits and tear the flexible circuit board of separating double faced adhesive tape.
Background technology
FPC (flexible print circuit board) is widely used in the various electronic products owing to it has the good plurality of advantages such as bending property.PPC is gradually to the complicated and development that becomes more meticulous at present, usually needing on a large amount of FPC products to fit can be with the product in FPC and the external world or the bond that parts couple together, because FPC oneself requirement product is light, thin, so for technique and cost consideration, normally adopt at present double faced adhesive tape as the bond that FPC and extraneous product or parts are coupled together.
Normally in flexible circuit board double faced adhesive tape is set by following dual mode in the prior art: the first, in the circuit board one whole double faced adhesive tape of disposable covering.Barbola work is very convenient like this, but wiring board is the part need to bond with the external world, thus so relatively waste double faced adhesive tape, and, main is that all the other local double faced adhesive tapes need to remove in order to avoid affect the electrical connectivity of circuit, removes relatively time and effort consuming of double faced adhesive tape.The second, local sticking two-faced adhesive tape in the circuit board, namely only need to the place applying double faced adhesive tape of external world's bonding.This mode need to be with double faced adhesive tape independent fitting on the wiring board one by one, and be not easy to machine operation like this, at present normally manual operation, and it greatly reduces the make efficiency of flexible circuit board.
And the most wiring board is after consigning to the client, and it is applied on the different products different operational sequences should be arranged, so that the double faced adhesive tape on it need to be got rid of in sequence.For example, a flexible circuit board need to be bent into three parts, and three parts connect respectively different parts simultaneously, so these three parts need to remove successively in sequence top double faced adhesive tape.Therefore, whole flexible circuit board that is coated with double faced adhesive tape is not easy to tear the part double faced adhesive tape that removes wherein.And the gummed paper on the customer requirement product all is single existence.So, for the stickup that needs double faced adhesive tape to separate separately in the circuit board so that the flexible circuit board that double faced adhesive tape can be removed successively by the order of using, the flexible circuit board that is made in the prior art exist gummed paper fit difficulty, tear or separate the gummed paper trouble, working (machining) efficiency is lower and can produce and paste partially and the bad defective of product such as fold starved.
Be understandable that the statement of this part only provides the background information relevant with the utility model, may consist of or not consist of so-called prior art.
Summary of the invention
Technical problem to be solved in the utility model is to exist for flexible circuit board in the prior art and is not easy to fit and tears bond and the lower defective of product yield for the bonding external world, provides a kind of and is convenient to fit and tears bond and the higher flexible circuit board of product yield.
The technical scheme that its technical problem that solves the utility model adopts provides a kind of flexible circuit board, and described flexible circuit board comprises the wiring board main body and is covered in coupling assembling on the wiring board main body; Described wiring board main body comprises base material and is arranged at circuit on the base material; Described coupling assembling comprises: the glue-line that is used for the bonding external world that fits in the release liners below that is covered in release liners on the wiring board main body and some separation, described some glue-lines are bonded on the wiring board main body, and the edge of the release liners between described some glue-lines is provided be used to the part of tearing of tearing release liners.
In above-mentioned flexible circuit board, the described part of tearing is formed by the identical breach of some shapes that stamps out on the release liners.
In above-mentioned flexible circuit board, described breach is circular hole.
In above-mentioned flexible circuit board, the pitch of holes of the breach of described circular hole is 1mm-1.6mm.
In above-mentioned flexible circuit board, the pitch of holes of the breach of described circular hole is 1.5mm.
In above-mentioned flexible circuit board, the described end of tearing part is extended with is convenient to tear the projection of tearing part.
In above-mentioned flexible circuit board, described projection is linear.
In above-mentioned flexible circuit board, described distance of tearing the glue-line on part and its next door is 0-0.4mm.
The flexible circuit board that the utility model provides, it is by arranging coupling assembling in the wiring board main body, and coupling assembling comprises release liners, glue-line and tears part.Because release liners is covered on the wiring board main body, glue-line fits on the release liners, and tears part and be positioned on the release liners, so can be fitted and connected assembly as the bond in the bonding external world in the wiring board main body very easily like this; Simultaneously, because the glue-line that is provided with in the separation of the place in the bonding external world of needs, and be provided with in the place of the close glue-line of release liners and tear part, so when the release liners removed successively by the demand of using above the glue-line, tear the useless release liners in this place and get final product along tearing part, it can effectively avoid pasting partially and the situation of fold starved, so it both can guarantee the effective electrical connectivity in each position, can remove efficiently successively above the glue-line and release liners on every side by the order of using again, to guarantee needing bonding place effectively to bond together with the external world successively on the flexible circuit board.So the flexible circuit board that the utility model provides is fitted and to tear the efficient of bond higher, and product yield is higher.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the flexible circuit board that provides of the utility model;
Fig. 2 is the structural representation of coupling assembling among the embodiment of the flexible circuit board that provides of the utility model;
Fig. 3 is the structural representation of coupling assembling among the another embodiment of the flexible circuit board that provides of the utility model;
Fig. 4 is the enlarged drawing at A place among Fig. 3.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
In description of the present utility model, it will be appreciated that, term " vertically ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the utility model and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
To shown in Figure 4, the flexible circuit board that the utility model provides comprises wiring board main body 2, and is covered in the coupling assembling 1 of the bond in the bonding external world of conduct on the wiring board main body 2 referring to Fig. 1.Wiring board main body 2 comprises base material and is arranged at circuit on the base material.Wiring board main body 2 can be single sided board or double sided board or multi-layer sheet.All be coated with coupling assembling 1 on the wiring board main body 2, coupling assembling 1 comprises release liners 11, glue-line 12 and tears part 13.Release liners 11 is whole being covered on the wiring board main body, simultaneously, the bottom of release liners 11 is fitted with the some glue-lines 12 for the bonding external world, some glue-lines 12 are owing to need to get up with product or the adhering components in the external world successively according to the use order, so the below that fits in release liners 11 that some glue-lines 12 separate, and glue-line 12 is adhered on the wiring board main body 2.So include release liners 11 between some glue-lines 12, tear part 13 on the release liners 11 between some glue-lines 12, and tear the edge that part 13 is positioned at the close glue-line 12 of release liners 11.
When needs use a certain glue-line 12, the release liners 11 on the release liners 11 of glue-line 12 tops and glue-line 12 next doors is torn get final product along the part 13 of tearing on these glue-line 12 next doors.So, be easy to the release liners 11 that needs on the coupling assembling 1 to remove is torn along tearing part 13 application of forces, simultaneously because the release liners 11 between some glue-lines 12 does not have viscosity, so it can remove the release liners 11 between some glue-lines 12 thoroughly, and can residually on wiring board main body 2 when tearing part 13 foreign material not arranged to affect the FPC electrical property tearing; So the flexible circuit board that the utility model provides is convenient to the bond of fitting, also be convenient to the sequenced release liners 11 that reaches glue-line 12 next doors above the glue-line 12 of tearing in the process of using FPC.So its applying and to tear the efficient of bond higher, and product yield is higher.
Preferably, the breach of tearing on the part 13 is circular hole, is uniformly so that tear the external force of being torn at part 13 each positions, tears part 13 with better tearing.The pitch of holes of the breach of circular hole is 1mm-1.6mm.More preferably, the pitch of holes of the breach of circular hole is 1.5mm, tears part 13 in order to be convenient to tearing when both having satisfied light, little, the thin requirement of FPC.For better tear part 13 with further with the good release liners 11 of tearing, the described end of tearing part 13 is extended with is convenient to tear the projection 14 of tearing part 13, more preferably, described projection 14 is linear.Preferably, the distance of tearing part 13 and the glue-line 12 on its next door is 0-0.4mm, the edge of namely tearing part 13 and the glue-line 12 on its next door between 0 to 0.4mm, with minimizing when part 13 is torn in tearing release liners 11 at the residual volume at glue-line 12 edges.
The flexible circuit board that the utility model provides arranges a kind of novel coupling assembling 1 in wiring board main body 2, also be convenient to tear the glue-line 12 of each fritter when it has improved as the applying efficient of the coupling assembling 1 of bond, it has avoided a plurality of gummed papers to fit separately affects the applying of gummed paper efficient and the bad defective of product.
In an embodiment, wiring board with the utility model making, select to press two cover film (PI 12.5um after two-sided Copper Foil boring, black hole, copper facing, dry film lamination, exposure, development, the etching, ADH 25um) and gold-plated after the hot pressing, again at fit whole coupling assembling of epiphragma, strike out Dan Pin by the profile mould at last, and remove successively glue-line by the order of using, then the product in the present embodiment is carried out efficient and yield test, the results are shown in Table shown in the embodiment 1 in 1.Simultaneously, artificial many pieces of applying double faced adhesive tape on the wiring board main body is reached the situation of removing successively in order double faced adhesive tape test, the results are shown in Table the comparative example 1 in 1.
Project | Applying | Yields |
Embodiment | ||
1 | 20/min | 98% |
Comparative example 1 | 4/min | 85% |
Table 1
So in sum, the flexible circuit board that the utility model provides has improved the applying efficient of bond, also is convenient to tear the bond of each fritter.It effectively raises make efficiency and the product yield of product.
In description of the present utility model, unless otherwise prescribed and limit, need to prove that term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can indirectly link to each other by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (8)
1. a flexible circuit board is characterized in that, comprising: wiring board main body and be covered in coupling assembling on the wiring board main body; Described wiring board main body comprises base material and is arranged at circuit on the base material; Described coupling assembling comprises: the glue-line that is used for the bonding external world that fits in the release liners below that is covered in release liners on the wiring board main body and some separation, described some glue-lines are bonded on the wiring board main body, and the edge of the release liners between described some glue-lines is provided be used to the part of tearing of tearing release liners.
2. flexible circuit board as claimed in claim 1 is characterized in that, the described part of tearing is formed by the identical breach of some shapes that stamps out on the release liners.
3. flexible circuit board as claimed in claim 2 is characterized in that, described breach is circular hole.
4. flexible circuit board as claimed in claim 3 is characterized in that, the pitch of holes of the breach of described circular hole is 1mm-1.6mm.
5. flexible circuit board as claimed in claim 4 is characterized in that, the pitch of holes of the breach of described circular hole is 1.5mm.
6. flexible circuit board as claimed in claim 2 is characterized in that, the described end of tearing part is extended with is convenient to tear the projection of tearing part.
7. flexible circuit board as claimed in claim 6 is characterized in that, described projection is linear.
8. such as each described flexible circuit board in the claim 2 to 7, it is characterized in that described distance of tearing the glue-line on part and its next door is 0-0.4mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220304100 CN202713774U (en) | 2012-06-27 | 2012-06-27 | Flexible printed circuit board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220304100 CN202713774U (en) | 2012-06-27 | 2012-06-27 | Flexible printed circuit board |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202713774U true CN202713774U (en) | 2013-01-30 |
Family
ID=47594025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220304100 Expired - Lifetime CN202713774U (en) | 2012-06-27 | 2012-06-27 | Flexible printed circuit board |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202713774U (en) |
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2012
- 2012-06-27 CN CN 201220304100 patent/CN202713774U/en not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 518119, A1 building, A11 building, BYD three stage, BYD Industrial Park, Kwai Chung Road, Longgang District, Shenzhen District, Guangdong, Yanan, China Patentee after: Shenzhen helitai photoelectric Co.,Ltd. Address before: 518119, A1 building, A11 building, BYD three stage, BYD Industrial Park, Kwai Chung Road, Longgang District, Shenzhen District, Guangdong, Yanan, China Patentee before: SHENZHEN BYD ELECTRONIC COMPONENT Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130130 |