JP2012128991A - Flexible flat cable - Google Patents

Flexible flat cable Download PDF

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Publication number
JP2012128991A
JP2012128991A JP2010277641A JP2010277641A JP2012128991A JP 2012128991 A JP2012128991 A JP 2012128991A JP 2010277641 A JP2010277641 A JP 2010277641A JP 2010277641 A JP2010277641 A JP 2010277641A JP 2012128991 A JP2012128991 A JP 2012128991A
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tape
double
nonwoven fabric
sided
cable body
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JP5506647B2 (en
Inventor
Naoto Yoda
直人 依田
Hiroaki Sugimoto
裕昭 杉本
Eiji Sakaguchi
英二 坂口
Hodaka Sakaguchi
穂高 坂口
Naohisa Miyamoto
直久 宮本
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Totoku Electric Co Ltd
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Totoku Electric Co Ltd
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Priority to JP2010277641A priority Critical patent/JP5506647B2/en
Priority to CN201110394208.2A priority patent/CN102543280B/en
Priority to CN2011204943270U priority patent/CN202363139U/en
Publication of JP2012128991A publication Critical patent/JP2012128991A/en
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Abstract

PROBLEM TO BE SOLVED: To provide a flexible flat cable in which a nonwoven fabric is bonded to the cable body so as not to be peeled off easily.SOLUTION: Double-sided adhesive tape (20) having adhesive agent layers (22a, 22b) covering the both sides of a nonwoven fabric (21) as a basic material is stuck to the cable body (10) where conductor wires (13a, 13b, 13c, 13d) are embedded in an adhesive agent layer (12) sandwiched by insulating films (11a, 11b). Since an air-laden nonwoven fabric (21) is stuck to the cable body (10), desired flexibility/flex resistance and permittivity can be attained. Since a double-sided adhesive tape (20) integrating the nonwoven fabric (21) and adhesive agent (22a, 22b) is stuck to the cable body (10), the nonwoven fabric (21, 41) does not peel off easily from the cable body (10).

Description

本発明は、フレキシブルフラットケーブルに関し、さらに詳しくは、容易に剥がれないように不織布をケーブル本体に接着したフレキシブルフラットケーブルに関する。   The present invention relates to a flexible flat cable, and more particularly to a flexible flat cable in which a non-woven fabric is bonded to a cable body so as not to be easily peeled off.

従来、絶縁フィルムで挟んだ接着剤層中に導体線を埋設したケーブル本体の両面に不織布を接着剤で貼り付け、それら不織布の外側にシールド材を貼り付けたフレキシブルフラットケーブルが知られている（例えば、特許文献１参照。）。   Conventionally, a flexible flat cable is known in which a nonwoven fabric is pasted on both surfaces of a cable body in which conductor wires are embedded in an adhesive layer sandwiched between insulating films, and a shield material is pasted on the outside of the nonwoven fabric ( For example, see Patent Document 1.)

特開２００９−１７０２９１号公報JP 2009-170291 A 特開２００８−２７７２５４号公報JP 2008-277254 A

上記従来のフレキシブルフラットケーブルでは、空気を多く含んだ不織布をケーブル本体に貼り付けることによって、所望の可撓性・耐屈曲性および誘電率を得ている。
しかし、不織布は繊維状で表面に凹凸があり接着面積が少ないため接着強度が十分でなく、例えばフレキシブルフラットケーブルを折り曲げ加工した時にケーブル本体の折り曲げ加工部分から不織布が容易に剥がれてしまう問題点があった。
そこで、本発明の目的は、容易に剥がれないように不織布をケーブル本体に接着したフレキシブルフラットケーブルを提供することにある。 In the conventional flexible flat cable, desired flexibility / bending resistance and dielectric constant are obtained by attaching a non-woven fabric containing a lot of air to the cable body.
However, the non-woven fabric is fibrous and has an uneven surface and a small bonding area, so the adhesive strength is not sufficient.For example, when a flexible flat cable is bent, the non-woven fabric easily peels off from the bent portion of the cable body. there were.
Then, the objective of this invention is providing the flexible flat cable which adhere | attached the nonwoven fabric on the cable main body so that it may not peel easily.

第１の観点では、本発明は、絶縁フィルム（１１ａ，１１ｂ）で挟んだ接着剤層（１２）中に導体線（１３ａ，１３ｂ，１３ｃ，１３ｄ）を埋設したケーブル本体（１０）の第１面に、不織布（２１）を基材としその両面を接着剤層（２２ａ，２２ｂ）で覆った両面接着テープ（２０）の第１面が貼り付けられ、前記両面接着テープ（２０）の第２面に、絶縁フィルム（３１）と金属箔（３２）とを接着したシールド用テープ（３０）の前記絶縁フィルム（３１）の面が貼り付けられ、前記シールド用テープ（３０）の前記金属箔（３２）の面に、絶縁テープ（７０）が貼り付けられていることを特徴とするフレキシブルフラットケーブル（１０１）を提供する。
上記第１の観点によるフレキシブルフラットケーブル（１０１）では、空気を多く含んだ不織布（２１）をケーブル本体（１０）に貼り付けているため、所望の可撓性・耐屈曲性および誘電率を得ることが出来る。また、不織布と別体の接着剤を用いてケーブル本体に不織布を貼り付けるのではなく、不織布（２１）と接着剤（２２ａ，２２ｂ）とが強固に一体となった両面接着テープ（２０）として不織布（２１）をケーブル本体（１０）に貼り付けるため、ケーブル本体（１０）から不織布（２１）が容易に剥がれなくなる。 In the first aspect, the present invention provides a first cable body (10) in which conductor wires (13a, 13b, 13c, 13d) are embedded in an adhesive layer (12) sandwiched between insulating films (11a, 11b). A first surface of a double-sided adhesive tape (20) having a nonwoven fabric (21) as a base material and covered with an adhesive layer (22a, 22b) is attached to the surface, and the second surface of the double-sided adhesive tape (20) is attached. The surface of the insulating film (31) of the shielding tape (30) obtained by bonding the insulating film (31) and the metal foil (32) is attached to the surface, and the metal foil ( The flexible flat cable (101) is provided with an insulating tape (70) affixed to the surface 32).
In the flexible flat cable (101) according to the first aspect, since the nonwoven fabric (21) containing a large amount of air is attached to the cable body (10), desired flexibility / bending resistance and dielectric constant are obtained. I can do it. Moreover, as a double-sided adhesive tape (20) in which the nonwoven fabric (21) and the adhesives (22a, 22b) are firmly integrated, instead of attaching the nonwoven fabric to the cable body using an adhesive separate from the nonwoven fabric. Since the nonwoven fabric (21) is affixed to the cable body (10), the nonwoven fabric (21) is not easily peeled off from the cable body (10).

第２の観点では、本発明は、絶縁フィルム（１１ａ，１１ｂ）で挟んだ接着剤層（１２）中に導体線（１３ａ，１３ｂ，１３ｃ，１３ｄ）を埋設したケーブル本体（１０）の第１面に、不織布（２１）を基材としその両面を接着剤層（２２ａ，２２ｂ）で覆った第１両面接着テープ（２０）の第１面が貼り付けられ、前記第１両面接着テープ（２０）の第２面に、絶縁フィルム（３１）と金属箔（３２）とを接着した第１シールド用テープ（３０）の前記絶縁フィルム（３１）の面が貼り付けられ、前記第１シールド用テープ（３０）の前記金属箔（３２）の面に、絶縁フィルム（５１）と金属箔（５２）とを接着した第２シールド用テープ（５０）の前記金属箔（５２）の面が貼り付けられ、前記ケーブル本体（１０）の第２面に、不織布（４１）を基材としその両面を接着剤層（４２ａ，４２ｂ）で覆った第２両面接着テープ（４０）の第１面が貼り付けられ、前記第２両面接着テープ（４０）の第２面に、絶縁フィルム（６１）と金属箔（６２）とを接着した第３シールド用テープ（６０）の前記金属箔（６２）の面が貼り付けられていることを特徴とするフレキシブルフラットケーブル（１０２）を提供する。
上記第２の観点によるフレキシブルフラットケーブル（１０２）では、空気を多く含んだ不織布（２１，４１）をケーブル本体（１０）に貼り付けているため、所望の可撓性・耐屈曲性および誘電率を得ることが出来る。また、不織布と別体の接着剤を用いて不織布をケーブル本体に貼り付けるのではなく、不織布（２１，４１）と接着剤（２２ａ，２２ｂ，４２ａ，４２ｂ）とが強固に一体となった両面接着テープ（２０，４０）として不織布（２１，４１）をケーブル本体（１０）に貼り付けるため、ケーブル本体（１０）から不織布（２１，４１）が容易に剥がれなくなる。 In a second aspect, the present invention provides a first cable body (10) in which conductor wires (13a, 13b, 13c, 13d) are embedded in an adhesive layer (12) sandwiched between insulating films (11a, 11b). A first surface of a first double-sided adhesive tape (20) having a nonwoven fabric (21) as a base material and covered with an adhesive layer (22a, 22b) is attached to the surface, and the first double-sided adhesive tape (20 The surface of the insulating film (31) of the first shielding tape (30) in which the insulating film (31) and the metal foil (32) are bonded is bonded to the second surface of the first shielding tape. The surface of the metal foil (52) of the second shielding tape (50) obtained by bonding the insulating film (51) and the metal foil (52) is attached to the surface of the metal foil (32) of (30). , A non-woven fabric on the second surface of the cable body (10) A first surface of a second double-sided adhesive tape (40) having 41) as a base material and covered on both sides with an adhesive layer (42a, 42b) is attached, and the second surface of the second double-sided adhesive tape (40) The surface of the metal foil (62) of the third shielding tape (60) obtained by bonding the insulating film (61) and the metal foil (62) is attached to the flexible flat cable (102 )I will provide a.
In the flexible flat cable (102) according to the second aspect, since the nonwoven fabric (21, 41) containing a large amount of air is attached to the cable body (10), desired flexibility / bending resistance and dielectric constant are obtained. Can be obtained. Also, the nonwoven fabric (21, 41) and the adhesive (22a, 22b, 42a, 42b) are firmly integrated with each other instead of attaching the nonwoven fabric to the cable body using an adhesive separate from the nonwoven fabric. Since the nonwoven fabric (21, 41) is affixed to the cable body (10) as the adhesive tape (20, 40), the nonwoven fabric (21, 41) is not easily peeled off from the cable body (10).

第３の観点では、本発明は、絶縁フィルム（１１ａ，１１ｂ）で挟んだ接着剤層（１２）中に導体線（１３ａ，１３ｂ，１３ｃ，１３ｄ）を埋設したケーブル本体（１０）の第１面に、不織布（２１）を基材としその両面を接着剤層（２２ａ，２２ｂ）で覆った第１両面接着テープ（２０）の第１面が貼り付けられ、前記第１両面接着テープ（２０）の第２面に、第１シールド用テープ（８０）の第１面が貼り付けられ、前記第１シールド用テープ（８０）の第２面に、第１絶縁テープ（７０）が貼り付けられ、前記ケーブル本体（１０）の第２面に、不織布（４１）を基材としその両面を接着剤層（４２ａ，４２ｂ）で覆った第２両面接着テープ（４０）の第１面が貼り付けられ、前記第２両面接着テープ（４０）の第２面に、第２シールド用テープ（８０’）の第１面が貼り付けられ、前記第２シールド用テープ（８０’）の第２面に、第２絶縁テープ（７０’）が貼り付けられていることを特徴とするフレキシブルフラットケーブル（１０３）を提供する。
上記第３の観点によるフレキシブルフラットケーブル（１０３）では、空気を多く含んだ不織布（２１，４１）をケーブル本体（１０）に貼り付けているため、所望の可撓性・耐屈曲性および誘電率を得ることが出来る。また、不織布と別体の接着剤を用いて不織布をケーブル本体に貼り付けるのではなく、不織布（２１，４１）と接着剤（２２ａ，２２ｂ，４２ａ，４２ｂ）とが強固に一体となった両面接着テープ（２０，４０）として不織布（２１，４１）をケーブル本体（１０）に貼り付けるため、ケーブル本体（１０）から不織布（２１，４１）が容易に剥がれなくなる。 In a third aspect, the present invention provides a first cable body (10) in which conductor wires (13a, 13b, 13c, 13d) are embedded in an adhesive layer (12) sandwiched between insulating films (11a, 11b). A first surface of a first double-sided adhesive tape (20) having a nonwoven fabric (21) as a base material and covered with an adhesive layer (22a, 22b) is attached to the surface, and the first double-sided adhesive tape (20 ) Is attached to the second surface of the first shielding tape (80), and the first insulating tape (70) is attached to the second surface of the first shielding tape (80). The first surface of the second double-sided adhesive tape (40) having the nonwoven fabric (41) as a base material and covered on both sides with an adhesive layer (42a, 42b) is attached to the second surface of the cable body (10). And a second seal on the second surface of the second double-sided adhesive tape (40). The first surface of the tape (80 ′) is attached, and the second insulating tape (70 ′) is attached to the second surface of the second shielding tape (80 ′). A flexible flat cable (103) is provided.
In the flexible flat cable (103) according to the third aspect, since the nonwoven fabric (21, 41) containing a large amount of air is attached to the cable body (10), the desired flexibility / bending resistance and dielectric constant are obtained. Can be obtained. Also, the nonwoven fabric (21, 41) and the adhesive (22a, 22b, 42a, 42b) are firmly integrated with each other instead of attaching the nonwoven fabric to the cable body using an adhesive separate from the nonwoven fabric. Since the nonwoven fabric (21, 41) is affixed to the cable body (10) as the adhesive tape (20, 40), the nonwoven fabric (21, 41) is not easily peeled off from the cable body (10).

本発明のフレキシブルフラットケーブル（１０１，１０２）によれば、ケーブル本体（１０）から不織布（２１，４１）が容易に剥がれなくなる。   According to the flexible flat cable (101, 102) of the present invention, the nonwoven fabric (21, 41) is not easily peeled off from the cable body (10).

実施例１に係る片面シールド・フレキシブルフラットケーブルを示す断面図である。It is sectional drawing which shows the single-sided shield flexible flat cable which concerns on Example 1. FIG. 実施例１に係る片面シールド・フレキシブルフラットケーブルの構成部品を示す断面図である。1 is a cross-sectional view showing components of a single-sided shielded flexible flat cable according to Example 1. FIG. ケーブル本体の数値例を示す図表である。It is a graph which shows the numerical example of a cable main body. 両面テープの数値例を示す図表である。It is a graph which shows the numerical example of a double-sided tape. アルミＰＥＴテープの数値例を示す図表である。It is a graph which shows the numerical example of an aluminum PET tape. 絶縁テープの数値例を示す図表である。It is a graph which shows the numerical example of an insulating tape. 両面テープを用いたフレキシブルフラットケーブルの断面図である。It is sectional drawing of the flexible flat cable using a double-sided tape. 不織布を接着剤で接着したフレキシブルフラットケーブルの断面図である。It is sectional drawing of the flexible flat cable which adhere | attached the nonwoven fabric with the adhesive agent. 実施例２に係る両面シールド・フレキシブルフラットケーブルを示す断面図である。It is sectional drawing which shows the double-sided shield flexible flat cable which concerns on Example 2. FIG. 実施例２に係る両面シールド・フレキシブルフラットケーブルの構成部品を示す断面図である。It is sectional drawing which shows the component of the double-sided shield flexible flat cable which concerns on Example 2. FIG. 実施例３に係る両面シールド・フレキシブルフラットケーブルを示す断面図である。It is sectional drawing which shows the double-sided shield flexible flat cable which concerns on Example 3. FIG. 実施例３に係る両面シールド・フレキシブルフラットケーブルの構成部品を示す断面図である。It is sectional drawing which shows the component of the double-sided shield flexible flat cable which concerns on Example 3. FIG.

以下、図に示す実施の形態により本発明をさらに詳細に説明する。なお、これにより本発明が限定されるものではない。   Hereinafter, the present invention will be described in more detail with reference to embodiments shown in the drawings. Note that the present invention is not limited thereby.

−実施例１−
図１は、実施例１に係る片面シールド・フレキシブルフラットケーブル１０１を示す断面図である。
この片面シールド・フレキシブルフラットケーブル１０１は、絶縁フィルム１１ａ，１１ｂで挟んだ接着剤層１２中に複数本の導体線１３ａ，１３ｂ，１３ｃ，１３ｄを埋設したケーブル本体１０と、不織布２１を基材としその両面を接着剤層２２ａ，２２ｂで覆った両面接着テープ２０と、絶縁フィルム３１と金属箔３２の第１面とを接着剤層３３で接着したシールド用テープ３０と、絶縁フィルム７１の片面に接着剤層７２をコーティングした絶縁テープ７０とを具備してなる。 Example 1
FIG. 1 is a cross-sectional view illustrating a single-sided shielded flexible flat cable 101 according to the first embodiment.
This single-sided shielded flexible flat cable 101 has a cable body 10 in which a plurality of conductor wires 13a, 13b, 13c, and 13d are embedded in an adhesive layer 12 sandwiched between insulating films 11a and 11b, and a nonwoven fabric 21 as a base material. The double-sided adhesive tape 20 whose both surfaces are covered with the adhesive layers 22a and 22b, the shielding tape 30 in which the insulating film 31 and the first surface of the metal foil 32 are bonded with the adhesive layer 33, and the insulating film 71 on one side. And an insulating tape 70 coated with an adhesive layer 72.

ケーブル本体１０の第１面と両面接着テープ２０の第１面とが接着剤層２２ａで接着され、両面接着テープ２０の第２面とシールド用テープ３０の第１面とが接着剤層２２ｂで接着され、シールド用テープ３０の金属箔３２の第２面と絶縁フィルム３１の接着剤層７２とが接着され、一体化されている。   The first surface of the cable body 10 and the first surface of the double-sided adhesive tape 20 are bonded by an adhesive layer 22a, and the second surface of the double-sided adhesive tape 20 and the first surface of the shielding tape 30 are bonded by an adhesive layer 22b. The second surface of the metal foil 32 of the shielding tape 30 and the adhesive layer 72 of the insulating film 31 are bonded and integrated.

図２に示すように、ケーブル本体１０と、両面接着テープ２０と、シールド用テープ３０と、絶縁テープ７０とは、それぞれ単品として別個に製造されたものである。これらを貼り合わせて、片面シールド・フレキシブルフラットケーブル１０１が製造される。   As shown in FIG. 2, the cable main body 10, the double-sided adhesive tape 20, the shielding tape 30, and the insulating tape 70 are each manufactured separately as a single product. These are pasted together to produce a single-sided shielded flexible flat cable 101.

図３は、ケーブル本体１０の具体例である。
絶縁フィルム１１ａ，１１ｂは、それぞれＰＥＴフィルムであり、厚さ２５μｍである。
接着剤層１２は、酸化チタン含有ポリエステル系難燃接着剤であり、誘電率３．６以下であり、厚さ３０μｍである。
導体線１３ａ〜１３ｄは、銅線であり、厚さ３５μｍ、幅０．３ｍｍ、線間のピッチ０．５ｍｍである。 FIG. 3 is a specific example of the cable body 10.
Each of the insulating films 11a and 11b is a PET film and has a thickness of 25 μm.
The adhesive layer 12 is a titanium oxide-containing polyester-based flame retardant adhesive, has a dielectric constant of 3.6 or less, and a thickness of 30 μm.
The conductor wires 13a to 13d are copper wires having a thickness of 35 μm, a width of 0.3 mm, and a pitch between the wires of 0.5 mm.

図４は、両面テープ２０の具体例である。
両面テープ２０の厚さは１６０μｍであり、誘電率は１．８以下である。
不織布２１は、セルロース系不織布である。
接着剤層２２ａ，２２ｂは、それぞれアクリル系接着剤である。
なお、両面テープ２０の厚さは、１２０μｍ〜３５０μｍとするのが好ましい。１２０μｍ未満では特性インピーダンスが低くなって回路系とのインピーダンス不整合となり、３５０μｍを超えると特性インピーダンスが高くなって回路系とのインピーダンス不整合となる。 FIG. 4 is a specific example of the double-sided tape 20.
The thickness of the double-sided tape 20 is 160 μm, and the dielectric constant is 1.8 or less.
The nonwoven fabric 21 is a cellulosic nonwoven fabric.
The adhesive layers 22a and 22b are each an acrylic adhesive.
In addition, it is preferable that the thickness of the double-sided tape 20 is 120 μm to 350 μm. If it is less than 120 μm, the characteristic impedance becomes low and impedance mismatch with the circuit system occurs. If it exceeds 350 μm, the characteristic impedance becomes high and impedance mismatch with the circuit system occurs.

図５は、シールド用テープ３０の具体例である。
絶縁フィルム３１は、ＰＥＴフィルムであり、厚さ９μｍである。
金属箔３２は、アルミ箔であり、厚さ２０μｍである。
接着剤層３３は、熱硬化型ポリエステル系接着剤であり、厚さ５μｍである。ホットメルト層または粘着剤層としてもよい（これらも「接着剤層」に含まれるものとする）。 FIG. 5 is a specific example of the shielding tape 30.
The insulating film 31 is a PET film and has a thickness of 9 μm.
The metal foil 32 is an aluminum foil and has a thickness of 20 μm.
The adhesive layer 33 is a thermosetting polyester adhesive and has a thickness of 5 μm. It may be a hot melt layer or a pressure-sensitive adhesive layer (these are also included in the “adhesive layer”).

図６は、絶縁テープ７０の具体例である。
絶縁フィルム７１は、ＰＥＴフィルムであり、厚さ２５μｍである。
接着剤層７２は、ポリエステル系接着剤であり、厚さ５μｍである。あるいは、接着剤層７２として、難燃性ポリエステル系接着剤層、ホットメルト層または粘着剤層としてもよい。 FIG. 6 is a specific example of the insulating tape 70.
The insulating film 71 is a PET film and has a thickness of 25 μm.
The adhesive layer 72 is a polyester-based adhesive and has a thickness of 5 μm. Alternatively, the adhesive layer 72 may be a flame retardant polyester adhesive layer, a hot melt layer, or a pressure-sensitive adhesive layer.

図７は、片面シールド・フレキシブルフラットケーブル１０１から絶縁テープ７０を省略したフレキシブルフラットケーブルの断面図である。
両面テープ２０として住友スリーエム社製のＮｏ．９６６０を用いた５ｍｍ幅のサンプルを４つ作った。
各サンプルについてＩＭＡＤＡ社製ＤＰＲＳ２０ＴＲ引張試験装置で引張速度１１ｍｍ／ｍｉｎでケーブル本体１０とシールド用テープ３０とを反対方向に引っ張って、両者が剥がれるときの引張力を４回測定したところ、測定結果は１１．３Ｎ／５ｍｍ、１２．３Ｎ／５ｍｍ、１３．０Ｎ／５ｍｍ、１３．０Ｎ／５ｍｍであった。 FIG. 7 is a cross-sectional view of a flexible flat cable in which the insulating tape 70 is omitted from the single-sided shielded flexible flat cable 101.
No. 2 manufactured by Sumitomo 3M Limited is used as the double-sided tape 20. Four 5 mm wide samples using 9660 were made.
For each sample, the cable body 10 and the shielding tape 30 were pulled in opposite directions at a tensile speed of 11 mm / min with a DPRS20TR tensile tester manufactured by IMADA, and the tensile force when the two peeled off was measured four times. 11.3 N / 5 mm, 12.3 N / 5 mm, 13.0 N / 5 mm, 13.0 N / 5 mm.

図８は、ケーブル本体１０に不織布８１を接着剤層８２で貼り付けたフレキシブルフラットケーブルの断面図である。
不織布８１として旭化成せんい社製のＡ１２４０Ｎ（厚さ２００μｍ）、Ａ１２９０Ｎ（厚さ２５０μｍ）、Ａ１３５０Ｎ（厚さ３００μｍ）、Ａ５１２０Ｎ（厚さ１８０μｍ）をそれぞれ用い、接着剤層８２はポリエステル系接着剤（厚さ２０μｍ）を用いた４種類の５ｍｍ幅のサンプルをそれぞれ３つずつ作った。
各サンプルについてＩＭＡＤＡ社製ＤＰＲＳ２０ＴＲ引張試験装置で引張速度１１ｍｍ／ｍｉｎでケーブル本体１０と不織布８１とを反対方向に引っ張って、両者が剥がれるときの引張力を測定したところ、測定結果はＡ１２４０Ｎを用いた３つのサンプルでは２．９Ｎ／５ｍｍ、２．５Ｎ／５ｍｍ、３．３Ｎ／５ｍｍであり、Ａ１２９０Ｎを用いた３つのサンプルでは３．２Ｎ／５ｍｍ、３．６Ｎ／５ｍｍ、３．０Ｎ／５ｍｍであり、Ａ１３５０Ｎを用いた３つのサンプルでは２．５Ｎ／５ｍｍ、２．５Ｎ／５ｍｍ、１．７Ｎ／５ｍｍであり、Ａ５１９０Ｎを用いた３つのサンプルでは２．７Ｎ／５ｍｍ、４．１Ｎ／５ｍｍ、４．０Ｎ／５ｍｍであった。 FIG. 8 is a cross-sectional view of a flexible flat cable in which a nonwoven fabric 81 is bonded to the cable body 10 with an adhesive layer 82.
As the non-woven fabric 81, A1240N (thickness 200 μm), A1290N (thickness 250 μm), A1350N (thickness 300 μm), A5120N (thickness 180 μm) manufactured by Asahi Kasei Fibers Co., Ltd. were used, respectively, and the adhesive layer 82 was a polyester adhesive (thickness). Three samples each having a width of 5 mm using a thickness of 20 μm were prepared.
For each sample, the tensile force when the cable body 10 and the nonwoven fabric 81 were pulled in the opposite directions with a DPRS20TR tensile tester manufactured by IMADA at a tensile speed of 11 mm / min and the two peeled off was measured. The measurement result was A1240N. Three samples are 2.9 N / 5 mm, 2.5 N / 5 mm, 3.3 N / 5 mm, and three samples using A1290N are 3.2 N / 5 mm, 3.6 N / 5 mm, 3.0 N / 5 mm. Yes, three samples using A1350N are 2.5N / 5mm, 2.5N / 5mm, 1.7N / 5mm, and three samples using A5190N are 2.7N / 5mm, 4.1N / 5mm, It was 4.0 N / 5 mm.

以上の引張試験の結果、ケーブル本体１０に不織布８１を接着剤層８２で貼り付けたフレキシブルフラットケーブルに比べて、ケーブル本体１０に不織布を基材とする両面テープ２０を貼り付けたフレキシブルフラットケーブルの方が、ケーブル本体１０から不織布が容易に剥がれないことが判った。   As a result of the above tensile test, as compared with the flexible flat cable in which the nonwoven fabric 81 is bonded to the cable body 10 with the adhesive layer 82, the flexible flat cable in which the double-sided tape 20 based on the nonwoven fabric is bonded to the cable body 10 is used. It was found that the nonwoven fabric was not easily peeled off from the cable body 10.

すなわち、実施例１の片面シールド・フレキシブルフラットケーブル１０１によれば、ケーブル本体１０から不織布２１が容易に剥がれなくなる。   That is, according to the single-sided shielded flexible flat cable 101 of Example 1, the nonwoven fabric 21 does not easily peel off from the cable body 10.

−実施例２−
図９は、実施例２に係る両面シールド・フレキシブルフラットケーブル１０２を示す断面図である。
この両面シールド・フレキシブルフラットケーブル１０２は、絶縁フィルム１１ａ，１１ｂで挟んだ接着剤層１２中に導体線１３ａ，１３ｂ，１３ｃ，１３ｄを埋設したケーブル本体１０と、不織布２１を基材としその両面を接着剤層２２ａ，２２ｂで覆った両面接着テープ２０と、絶縁フィルム３１と金属箔３２の第１面とを接着剤層３３で接着したシールド用テープ３０と、絶縁フィルム５１と金属箔５２の第１面とを接着剤層５３で接着し金属箔５２の第２面に接着剤層５４をコーティングしたシールド用テープ５０と、不織布４１を基材としその両面を接着剤層４２ａ，４２ｂで覆った両面接着テープ４０と、絶縁フィルム６１と金属箔６２の第１面とを接着剤層６３で接着し金属箔６２の第２面に接着剤層６４をコーティングしたシールド用テープ６０とを具備してなる。 -Example 2-
FIG. 9 is a cross-sectional view illustrating the double-sided shielded flexible flat cable 102 according to the second embodiment.
The double-sided shielded flexible flat cable 102 has a cable body 10 in which conductor wires 13a, 13b, 13c, and 13d are embedded in an adhesive layer 12 sandwiched between insulating films 11a and 11b, and a nonwoven fabric 21 as a base material. The double-sided adhesive tape 20 covered with the adhesive layers 22a and 22b, the shielding tape 30 in which the insulating film 31 and the first surface of the metal foil 32 are bonded together with the adhesive layer 33, the insulating film 51 and the first of the metal foil 52. One surface is bonded with an adhesive layer 53 and the second surface of the metal foil 52 is coated with the adhesive layer 54, and the nonwoven fabric 41 is used as a base material, and both surfaces are covered with adhesive layers 42a and 42b. The double-sided adhesive tape 40, the insulating film 61, and the first surface of the metal foil 62 are bonded with an adhesive layer 63, and the adhesive layer 64 is coated on the second surface of the metal foil 62. Made by and a Rudo tape 60.

ケーブル本体１０の第１面と両面接着テープ２０の第１面とが接着剤層２２ａで接着され、両面接着テープ２０の第２面とシールド用テープ３０の第１面とが接着剤層２２ｂで接着され、シールド用テープ３０の金属箔３２の第２面とシールド用テープ５０の接着剤層５４とが接着され、ケーブル本体１０の第２面と両面接着テープ４０の第１面とが接着剤層４２ａで接着され、両面接着テープ４０の接着剤層４２ｂとシールド用テープ６０の接着剤層６４とが接着され、一体化されている。   The first surface of the cable body 10 and the first surface of the double-sided adhesive tape 20 are bonded by an adhesive layer 22a, and the second surface of the double-sided adhesive tape 20 and the first surface of the shielding tape 30 are bonded by an adhesive layer 22b. The second surface of the metal foil 32 of the shielding tape 30 and the adhesive layer 54 of the shielding tape 50 are adhered, and the second surface of the cable body 10 and the first surface of the double-sided adhesive tape 40 are adhesive. The adhesive layer 42b of the double-sided adhesive tape 40 and the adhesive layer 64 of the shielding tape 60 are bonded and integrated with each other by the layer 42a.

図１０に示すように、ケーブル本体１０と、両面接着テープ２０と、シールド用テープ３０と、シールド用テープ５０と、両面接着テープ４０と、シールド用テープ６０とは、それぞれ単品として別個に製造されたものである。これらを貼り合わせて、両面シールド・フレキシブルフラットケーブル１０２が製造される。   As shown in FIG. 10, the cable body 10, the double-sided adhesive tape 20, the shielding tape 30, the shielding tape 50, the double-sided adhesive tape 40, and the shielding tape 60 are each manufactured separately as a single product. It is a thing. By sticking them together, the double-sided shielded flexible flat cable 102 is manufactured.

なお、ケーブル本体１０と両面接着テープ２０とシールド用テープ３０と両面接着テープ４０とを接着一体化した物を、両面シールド・フレキシブルフラットケーブル１０２の２倍以上の幅のシールド用テープを折り曲げて包み、全体を一体化してもよい。この構成では、シールド用テープ５０とシールド用テープ６０とは同一シールド用テープになる。図１０の２点鎖線は、この構成を表している。   The cable body 10, the double-sided adhesive tape 20, the shield tape 30 and the double-sided adhesive tape 40 are bonded and integrated, and the shield tape having a width more than twice that of the double-sided shield / flexible flat cable 102 is folded and wrapped. The whole may be integrated. In this configuration, the shielding tape 50 and the shielding tape 60 are the same shielding tape. The two-dot chain line in FIG. 10 represents this configuration.

ケーブル本体１０、両面接着テープ２０、シールド用テープ３０の具体例は実施例１と同様である。
両面接着テープ４０の具体例は、実施例１の両面接着テープ２０と同様である。
シールド用テープ５０，６０の具体例は、実施例１のシールド用テープ３０に接着剤層５４，６４を設けたものである。 Specific examples of the cable body 10, the double-sided adhesive tape 20, and the shielding tape 30 are the same as those in the first embodiment.
A specific example of the double-sided adhesive tape 40 is the same as that of the double-sided adhesive tape 20 of Example 1.
A specific example of the shielding tapes 50 and 60 is obtained by providing adhesive layers 54 and 64 on the shielding tape 30 of the first embodiment.

実施例２の両面シールド・フレキシブルフラットケーブル１０２によれば、ケーブル本体１０から不織布２１，４１が容易に剥がれなくなる。   According to the double-sided shielded flexible flat cable 102 of Example 2, the nonwoven fabrics 21 and 41 are not easily peeled off from the cable body 10.

−実施例３−
図１１は、実施例３に係る両面シールド・フレキシブルフラットケーブル１０３を示す断面図である。
この両面シールド・フレキシブルフラットケーブル１０３は、絶縁フィルム１１ａ，１１ｂで挟んだ接着剤層１２中に導体線１３ａ，１３ｂ，１３ｃ，１３ｄを埋設したケーブル本体１０と、不織布２１を基材としその両面を接着剤層２２ａ，２２ｂで覆った両面接着テープ２０と、金属箔からなる第１シールド用テープ８０と、絶縁フィルム７１の片面に接着剤層７２をコーティングした第１絶縁テープ７０と、不織布４１を基材としその両面を接着剤層４２ａ，４２ｂで覆った両面接着テープ４０と、金属箔からなる第２シールド用テープ８０’と、絶縁フィルム７１’の片面に接着剤層７２’をコーティングした第２絶縁テープ７０’とを具備してなる。 Example 3
FIG. 11 is a cross-sectional view illustrating the double-sided shielded flexible flat cable 103 according to the third embodiment.
This double-sided shielded flexible flat cable 103 has a cable body 10 in which conductor wires 13a, 13b, 13c, and 13d are embedded in an adhesive layer 12 sandwiched between insulating films 11a and 11b, and a nonwoven fabric 21 as a base material. The double-sided adhesive tape 20 covered with the adhesive layers 22a and 22b, the first shielding tape 80 made of a metal foil, the first insulating tape 70 with one side of the insulating film 71 coated with the adhesive layer 72, and the nonwoven fabric 41 A double-sided adhesive tape 40 having both surfaces covered with adhesive layers 42a and 42b, a second shielding tape 80 'made of metal foil, and an insulating film 71' coated with an adhesive layer 72 'on one side. 2 insulating tape 70 '.

ケーブル本体１０の第１面と両面接着テープ２０の第１面とが接着剤層２２ａで接着され、両面接着テープ２０の第２面と第１シールド用テープ８０の第１面とが接着剤層２２ｂで接着され、第１シールド用テープ８０の第２面と第１絶縁テープ７０とが接着剤層７２で接着され、ケーブル本体１０の第２面と両面接着テープ４０の第１面とが接着剤層４２ａで接着され、両面接着テープ４０の第２面と第２シールド用テープ８０’の第１面とが接着剤層４２ｂで接着され、第２シールド用テープ８０’の第２面と第２絶縁テープ７０’とが接着剤層７２’で接着され、一体化されている。   The first surface of the cable body 10 and the first surface of the double-sided adhesive tape 20 are bonded by an adhesive layer 22a, and the second surface of the double-sided adhesive tape 20 and the first surface of the first shielding tape 80 are adhesive layers. 22b, the second surface of the first shielding tape 80 and the first insulating tape 70 are bonded together with the adhesive layer 72, and the second surface of the cable body 10 and the first surface of the double-sided adhesive tape 40 are bonded together. The second surface of the double-sided adhesive tape 40 and the first surface of the second shielding tape 80 ′ are adhered by the adhesive layer 42b, and the second surface of the second shielding tape 80 ′ and the second surface of the second shielding tape 80 ′ are adhered. Two insulating tapes 70 'are bonded and integrated with an adhesive layer 72'.

図１２に示すように、ケーブル本体１０と、両面接着テープ２０と、第１シールド用テープ８０と、第１絶縁テープ７０と、両面接着テープ４０と、第２シールド用テープ８０’と、第２絶縁テープ７０’とは、それぞれ単品として別個に製造されたものである。これらを貼り合わせて、両面シールド・フレキシブルフラットケーブル１０３が製造される。   As shown in FIG. 12, the cable body 10, the double-sided adhesive tape 20, the first shielding tape 80, the first insulating tape 70, the double-sided adhesive tape 40, the second shielding tape 80 ′, and the second The insulating tape 70 'is manufactured separately as a single product. By sticking them together, the double-sided shielded flexible flat cable 103 is manufactured.

なお、ケーブル本体１０と両面接着テープ２０と両面接着テープ４０とを接着一体化した物を、両面シールド・フレキシブルフラットケーブル１０３の２倍以上の幅のシールド用テープを折り曲げて包み、さらに両面シールド・フレキシブルフラットケーブル１０３の２倍以上の幅の絶縁テープを折り曲げて包み、全体を一体化してもよい。この構成では、第１シールド用テープ８０と第２シールド用テープ８０’とは同一シールド用テープになり、第１絶縁テープ７０と第２絶縁テープ７０’とは同一絶縁テープになる。図１２の２点鎖線は、この構成を表している。   The cable body 10, the double-sided adhesive tape 20 and the double-sided adhesive tape 40 are bonded and integrated with a double-sided shield / flexible flat cable 103 having a width of at least twice that of the flexible flat cable 103. An insulating tape having a width twice or more that of the flexible flat cable 103 may be folded and wrapped to integrate the whole. In this configuration, the first shielding tape 80 and the second shielding tape 80 'are the same shielding tape, and the first insulating tape 70 and the second insulating tape 70' are the same insulating tape. A two-dot chain line in FIG. 12 represents this configuration.

ケーブル本体１０、両面接着テープ２０の具体例は実施例１と同様である。
両面接着テープ４０の具体例は、実施例１の両面接着テープ２０と同様である。
シールド用テープ８０，８０’の具体例は、アルミ箔テープである。
絶縁テープ７０，７０’の具体例は、実施例１の絶縁テープ７０と同様である。 Specific examples of the cable body 10 and the double-sided adhesive tape 20 are the same as those in the first embodiment.
A specific example of the double-sided adhesive tape 40 is the same as that of the double-sided adhesive tape 20 of Example 1.
A specific example of the shielding tapes 80, 80 ′ is an aluminum foil tape.
Specific examples of the insulating tapes 70 and 70 ′ are the same as those of the insulating tape 70 of the first embodiment.

実施例３の両面シールド・フレキシブルフラットケーブル１０３によれば、ケーブル本体１０から不織布２１，４１が容易に剥がれなくなる。   According to the double-sided shielded flexible flat cable 103 of Example 3, the nonwoven fabrics 21 and 41 are not easily peeled off from the cable body 10.

本発明のフレキシブルフラットケーブルは、例えば５００ＭＨｚの高速伝送ケーブルとして利用することが出来る。   The flexible flat cable of the present invention can be used as, for example, a 500 MHz high-speed transmission cable.

１０ ケーブル本体
１１ａ，１１ｂ 絶縁フィルム
１２ 接着剤層
１３ａ，１３ｂ，１３ｃ，１３ｄ 導体線
２０，４０ 両面テープ
２１，４１ 不織布
２２ａ，２２ｂ，４２ａ，４２ｂ 接着剤層
３０，５０，６０ シールド用テープ
５０’，６０’ シールド・絶縁用テープ
３１，５１，６１ 絶縁フィルム
３２，５２，６２ 金属箔
３３，５３，５４，６３，６４ 接着剤層
７０，７０’ （第１，第２）絶縁テープ
７１ 絶縁フィルム
７２ 接着剤層
８０，８０’ 第１，第２シールド用テープ
１０１ 片面シールド・フレキシブルフラットケーブル
１０２，１０３ 両面シールド・フレキシブルフラットケーブル 10 Cable body 11a, 11b Insulating film 12 Adhesive layer 13a, 13b, 13c, 13d Conductor wire 20, 40 Double-sided tape 21, 41 Non-woven fabric 22a, 22b, 42a, 42b Adhesive layer 30, 50, 60 Shield tape 50 ' , 60 'Shield / insulating tape 31, 51, 61 Insulating film 32, 52, 62 Metal foil 33, 53, 54, 63, 64 Adhesive layer 70, 70' (first and second) insulating tape 71 Insulating film 72 Adhesive layer 80, 80 'First and second shield tape 101 Single-sided shielded flexible flat cable 102, 103 Double-sided shielded flexible flat cable

Claims (3)

絶縁フィルム（１１ａ，１１ｂ）で挟んだ接着剤層（１２）中に導体線（１３ａ，１３ｂ，１３ｃ，１３ｄ）を埋設したケーブル本体（１０）の第１面に、不織布（２１）を基材としその両面を接着剤層（２２ａ，２２ｂ）で覆った両面接着テープ（２０）の第１面が貼り付けられ、前記両面接着テープ（２０）の第２面に、絶縁フィルム（３１）と金属箔（３２）とを接着したシールド用テープ（３０）の前記絶縁フィルム（３１）の面が貼り付けられ、前記シールド用テープ（３０）の前記金属箔（３２）の面に、絶縁テープ（７０）が貼り付けられていることを特徴とするフレキシブルフラットケーブル（１０１）。   A nonwoven fabric (21) is formed on the first surface of the cable body (10) in which conductor wires (13a, 13b, 13c, 13d) are embedded in an adhesive layer (12) sandwiched between insulating films (11a, 11b). The first surface of the double-sided adhesive tape (20) covered on both sides with the adhesive layers (22a, 22b) is affixed, and the insulating film (31) and the metal are attached to the second surface of the double-sided adhesive tape (20). The surface of the insulating film (31) of the shielding tape (30) bonded with the foil (32) is attached, and the insulating tape (70) is attached to the surface of the metal foil (32) of the shielding tape (30). ) Is affixed to the flexible flat cable (101). 絶縁フィルム（１１ａ，１１ｂ）で挟んだ接着剤層（１２）中に導体線（１３ａ，１３ｂ，１３ｃ，１３ｄ）を埋設したケーブル本体（１０）の第１面に、不織布（２１）を基材としその両面を接着剤層（２２ａ，２２ｂ）で覆った第１両面接着テープ（２０）の第１面が貼り付けられ、前記第１両面接着テープ（２０）の第２面に、絶縁フィルム（３１）と金属箔（３２）とを接着した第１シールド用テープ（３０）の前記絶縁フィルム（３１）の面が貼り付けられ、前記第１シールド用テープ（３０）の前記金属箔（３２）の面に、絶縁フィルム（５１）と金属箔（５２）とを接着した第２シールド用テープ（５０）の前記金属箔（５２）の面が貼り付けられ、前記ケーブル本体（１０）の第２面に、不織布（４１）を基材としその両面を接着剤層（４２ａ，４２ｂ）で覆った第２両面接着テープ（４０）の第１面が貼り付けられ、前記第２両面接着テープ（４０）の第２面に、絶縁フィルム（６１）と金属箔（６２）とを接着した第３シールド用テープ（６０）の前記金属箔（６２）の面が貼り付けられていることを特徴とするフレキシブルフラットケーブル（１０２）。   A nonwoven fabric (21) is formed on the first surface of the cable body (10) in which conductor wires (13a, 13b, 13c, 13d) are embedded in an adhesive layer (12) sandwiched between insulating films (11a, 11b). The first surface of the first double-sided adhesive tape (20) covered on both sides with an adhesive layer (22a, 22b) is affixed, and an insulating film (on the second surface of the first double-sided adhesive tape (20)) 31) and the surface of the insulating film (31) of the first shielding tape (30) to which the metal foil (32) is bonded, and the metal foil (32) of the first shielding tape (30). The surface of the metal foil (52) of the second shielding tape (50) in which the insulating film (51) and the metal foil (52) are bonded is attached to the surface of the cable, and the second surface of the cable body (10). On both sides, the nonwoven fabric (41) is the base material A first surface of a second double-sided adhesive tape (40) covered with an adhesive layer (42a, 42b) is affixed, and an insulating film (61) and a metal are attached to the second surface of the second double-sided adhesive tape (40). The flexible flat cable (102), wherein the surface of the metal foil (62) of the third shielding tape (60) bonded with the foil (62) is attached. 絶縁フィルム（１１ａ，１１ｂ）で挟んだ接着剤層（１２）中に導体線（１３ａ，１３ｂ，１３ｃ，１３ｄ）を埋設したケーブル本体（１０）の第１面に、不織布（２１）を基材としその両面を接着剤層（２２ａ，２２ｂ）で覆った第１両面接着テープ（２０）の第１面が貼り付けられ、前記第１両面接着テープ（２０）の第２面に、第１シールド用テープ（８０）の第１面が貼り付けられ、前記第１シールド用テープ（８０）の第２面に、第１絶縁テープ（７０）が貼り付けられ、前記ケーブル本体（１０）の第２面に、不織布（４１）を基材としその両面を接着剤層（４２ａ，４２ｂ）で覆った第２両面接着テープ（４０）の第１面が貼り付けられ、前記第２両面接着テープ（４０）の第２面に、第２シールド用テープ（８０’）の第１面が貼り付けられ、前記第２シールド用テープ（８０’）の第２面に、第２絶縁テープ（７０’）が貼り付けられていることを特徴とするフレキシブルフラットケーブル（１０３）。   A nonwoven fabric (21) is formed on the first surface of the cable body (10) in which conductor wires (13a, 13b, 13c, 13d) are embedded in an adhesive layer (12) sandwiched between insulating films (11a, 11b). The first surface of the first double-sided adhesive tape (20) covered with the adhesive layers (22a, 22b) is affixed to the second surface of the first double-sided adhesive tape (20). The first surface of the tape (80) is affixed, the first insulating tape (70) is affixed to the second surface of the first shield tape (80), and the second of the cable body (10). A first surface of a second double-sided adhesive tape (40) having a nonwoven fabric (41) as a base material and covered with adhesive layers (42a, 42b) is attached to the surface, and the second double-sided adhesive tape (40 ) On the second surface of the second shield tape (80 ') Is attached, the second 'on the second surface of the second insulating tape (70 shielding tape (80)' flexible flat cable, characterized in that attached) is adhered (103).
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