JPH0448677A - Flexible printed circuit board with reinforcing plate - Google Patents
Flexible printed circuit board with reinforcing plateInfo
- Publication number
- JPH0448677A JPH0448677A JP15646590A JP15646590A JPH0448677A JP H0448677 A JPH0448677 A JP H0448677A JP 15646590 A JP15646590 A JP 15646590A JP 15646590 A JP15646590 A JP 15646590A JP H0448677 A JPH0448677 A JP H0448677A
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing plate
- flexible printed
- printed wiring
- wiring board
- circuit board
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 30
- 238000005452 bending Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0393—Flexible materials
Landscapes
- Structure Of Printed Boards (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野］
本発明は補強板付きフレキシブルプリント配線板に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a flexible printed wiring board with a reinforcing plate.
〔従来の技術：
従来の！ｉＩ！強板付きフレキシブルプリント配線板の
構造を第２図および第３図に示す。[Conventional technology: Conventional! iI! The structure of the flexible printed wiring board with a strong board is shown in FIGS. 2 and 3.
フレキシブルプリント配線板は、部品搭載部の補強や差
し込みコネクタ部を補強するために、補強板を装着巳で
使用することをか多い。For flexible printed wiring boards, reinforcing plates are often used as mounting holes in order to reinforce component mounting areas and insertion connector areas.
従来、この；うにして使用する補強板の断面は直角に切
断したものを、フレキシブルプリント配線板に粘着材あ
るいは接着剤を用い装着して使用していた。あるいは、
第３図に示すように補強板の端部をジグザグにした、特
開昭５１−７１９６２がある。Conventionally, reinforcing plates used in this manner have been cut at right angles in cross section and attached to flexible printed wiring boards using adhesives or adhesives. or,
As shown in FIG. 3, there is Japanese Patent Application Laid-Open No. 51-71962 in which the end of the reinforcing plate is zigzag.
〔発明が解決しようとする課！ａ：
第２図、第３図に示す従来品の構造は、補強板３の端面
３ａが直角に切断されている。また、補強板を加工した
際に、補強板の端面とフレキシブルプリント配線板が接
する部分の補強板のぼりも発生し易い。このため、フレ
キノプルプリント配線板を折り曲げた際、端面３ａの部
分での配線パターン１が折り曲げによる応力集中にて断
線するという問題があり、特に補強板が硬質板の場合に
問題となっていた。[The problem that the invention tries to solve! a: In the structure of the conventional product shown in FIGS. 2 and 3, the end surface 3a of the reinforcing plate 3 is cut at a right angle. Furthermore, when the reinforcing plate is processed, the reinforcing plate tends to bulge at the portion where the end face of the reinforcing plate and the flexible printed wiring board are in contact with each other. For this reason, when the flexible printed wiring board is bent, there is a problem that the wiring pattern 1 at the end surface 3a is broken due to stress concentration due to the bending, which is particularly a problem when the reinforcing plate is a hard plate. Ta.
本発明は、フレキシブルプリント配ｔｉの折り曲げによ
る補強板の端面での配線パターンの断線をしにくくする
ことを目的とする。An object of the present invention is to make it difficult for the wiring pattern to break at the end face of the reinforcing plate due to bending of the flexible printed wiring board.
〔課題を解決するための手段：
本発明は、配線パターンが形成されたフレキシプルプリ
ント配線板上に補強板を装着したフレキシブルプリント
配線板において、上記補強板の端部の形状に丸みを付け
ることを特徴とする。なお、未発明に用いることのでき
る補強板の材質は、ガラスエポキシ、紙エポキシ、紙フ
エノール等の硬質なものであれば良い。[Means for Solving the Problems: The present invention provides a flexible printed wiring board in which a reinforcing plate is mounted on a flexible printed wiring board on which a wiring pattern is formed, in which the shape of the end of the reinforcing plate is rounded. It is characterized by The material of the reinforcing plate that can be used in the present invention may be any hard material such as glass epoxy, paper epoxy, paper phenol, etc.
フレキシブルプリント配線板に装着する補強板の端部の
形状に丸みを付けたことにより、フレキシブルプリント
配線板を折り曲げた際に補強板の端面に応力の集中が生
じなくなる。このため、フレキシブルプリント配線板の
配線パターンが端面にて断線しにくくなる。By rounding the end of the reinforcing plate attached to the flexible printed wiring board, stress concentration does not occur on the end face of the reinforcing plate when the flexible printed wiring board is bent. Therefore, the wiring pattern of the flexible printed wiring board is less likely to be disconnected at the end face.
〔実施例１〕
先ず、厚さ２ｍ−０紙フェノール材の補強板の端面をグ
ラインダーで、曲率半径２ｍｌ１の４分の１円状に加工
した。これを配線パターンの形成されたフレキシブルプ
リント配線板に両面接着シートで装着した。[Example 1] First, the end face of a reinforcing plate made of phenolic paper with a thickness of 2 m-0 was processed into a quarter circle shape with a radius of curvature of 2 ml1 using a grinder. This was attached to a flexible printed wiring board on which a wiring pattern was formed using a double-sided adhesive sheet.
〔実施例２〕
先ず、厚さ２１１１１の紙フエノール材の補強板の端面
をグラインダーで、曲率半径１ｍ−の半円状に加工した
。これを配線パターンの形成されたフレキシブルプリン
ト配線板に両面接着シートで装着した。[Example 2] First, the end face of a reinforcing plate made of paper phenolic material having a thickness of 21111 mm was processed into a semicircular shape with a radius of curvature of 1 m using a grinder. This was attached to a flexible printed wiring board on which a wiring pattern was formed using a double-sided adhesive sheet.
〔比較例１〕
補強板の端面加工ぜず、直角に切断したままのものを使
用した以外は〔実施例１〕と同様とした。[Comparative Example 1] The reinforcing plate was the same as [Example 1] except that the end face of the reinforcing plate was not processed and the reinforcing plate was cut at right angles.
〔比較例２〕
［ｆｉ板の端面をジグザグに加工したものを使用した以
外は〔実施例１〕と同様とした。[Comparative Example 2] Same as [Example 1] except that an FI plate whose end surface was processed into a zigzag pattern was used.
以上、実施例と比較例に示した通りに、製品を５枚ずつ
製作した０以上のように製作したフレキシブルプリント
配線板を第５図に示す条件で配線パターンが断線するま
で屈曲試験を行った結果を表１に示す。As shown in the Examples and Comparative Examples above, five flexible printed wiring boards were manufactured in each case, and a bending test was conducted under the conditions shown in Figure 5 until the wiring pattern broke. The results are shown in Table 1.
表Ｉ Ｈ曲試験結果
このように、本発明の構造で製作したフレキシブルプリ
ント配線板は屈曲寿命が従来品よりも伸びていることが
分かった。Table I H-bending test results As described above, it was found that the flexible printed wiring board manufactured with the structure of the present invention has a longer bending life than conventional products.
以上説明したように、本発明によれば、配線パターンが
形成されたフレキシブルプリント配線板上に補強板を装
着したフレキシブルプリント配線板において、上記補強
板の端部の形状に丸みを付けることにより、配線パター
ンの補強板端部での断線を起こりにくくすることができ
た。As explained above, according to the present invention, in a flexible printed wiring board in which a reinforcing plate is mounted on a flexible printed wiring board on which a wiring pattern is formed, by rounding the shape of the end of the reinforcing plate, It was possible to prevent wire breakage at the end of the reinforcing plate of the wiring pattern.
第１図は本発明の一実施例を示す斜視図である。
第２図は従来例を示す斜視図である。第３図は他の従来
例を示す平面図および断面図である。第４図は本発明の
他の実施例を示す斜視図である。
第５図は屈曲試験の状態を示す断面図である。
符号の説明
ｌ 配線パターン
２ フレキシフ゛ルプリント配線（反
３ 補強板
第
図
第
図FIG. 1 is a perspective view showing an embodiment of the present invention. FIG. 2 is a perspective view showing a conventional example. FIG. 3 is a plan view and a sectional view showing another conventional example. FIG. 4 is a perspective view showing another embodiment of the present invention. FIG. 5 is a sectional view showing the state of the bending test. Explanation of symbols 1 Wiring pattern 2 Flexi-Film printed wiring (reinforcing plate 3
Claims (1)
線板上に補強板を装着したフレキシブルプリント配線板
において、端部の形状に丸みを付けた補強板を使用した
ことを特徴とする補強板付きフレキシブルプリント配線
板。1. A flexible printed wiring board with a reinforcing plate, characterized in that a reinforcing plate is attached to a flexible printed wiring board on which a wiring pattern is formed, and the reinforcing plate has rounded edges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15646590A JPH0448677A (en) | 1990-06-14 | 1990-06-14 | Flexible printed circuit board with reinforcing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15646590A JPH0448677A (en) | 1990-06-14 | 1990-06-14 | Flexible printed circuit board with reinforcing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448677A true JPH0448677A (en) | 1992-02-18 |
Family
ID=15628345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15646590A Pending JPH0448677A (en) | 1990-06-14 | 1990-06-14 | Flexible printed circuit board with reinforcing plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448677A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007059586A (en) * | 2005-08-24 | 2007-03-08 | Fujikura Ltd | Wiring circuit board and manufacturing method thereof |
| JP2007234971A (en) * | 2006-03-02 | 2007-09-13 | Sharp Corp | Flexible printed wiring board and method of inserting flexible printed wiring board to connector |
| US7570492B2 (en) | 2004-03-16 | 2009-08-04 | Temic Automotive Of North America, Inc. | Apparatus for venting an electronic control module |
| JP2010199383A (en) * | 2009-02-26 | 2010-09-09 | Fujikura Ltd | Substrate with adhesive, and flexible printed circuit wiring board |
| US8593820B2 (en) | 2010-06-30 | 2013-11-26 | Kabushiki Kaisha Toshiba | Flexible printed wiring board and electronic apparatus |
| WO2022080067A1 (en) * | 2020-10-13 | 2022-04-21 | 株式会社村田製作所 | Circuit board and method for manufacturing circuit board |
-
1990
- 1990-06-14 JP JP15646590A patent/JPH0448677A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7570492B2 (en) | 2004-03-16 | 2009-08-04 | Temic Automotive Of North America, Inc. | Apparatus for venting an electronic control module |
| JP2007059586A (en) * | 2005-08-24 | 2007-03-08 | Fujikura Ltd | Wiring circuit board and manufacturing method thereof |
| US7476812B2 (en) * | 2005-08-24 | 2009-01-13 | Fujikura Ltd. | Printed circuit board and manufacturing method thereof |
| US8282841B2 (en) | 2005-08-24 | 2012-10-09 | Fujikura Ltd. | Printed circuit board and manufacturing method thereof |
| JP2007234971A (en) * | 2006-03-02 | 2007-09-13 | Sharp Corp | Flexible printed wiring board and method of inserting flexible printed wiring board to connector |
| JP2010199383A (en) * | 2009-02-26 | 2010-09-09 | Fujikura Ltd | Substrate with adhesive, and flexible printed circuit wiring board |
| US8593820B2 (en) | 2010-06-30 | 2013-11-26 | Kabushiki Kaisha Toshiba | Flexible printed wiring board and electronic apparatus |
| WO2022080067A1 (en) * | 2020-10-13 | 2022-04-21 | 株式会社村田製作所 | Circuit board and method for manufacturing circuit board |
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