JPH01208892A - Connection structure of flexible printed circuit board - Google Patents
Connection structure of flexible printed circuit boardInfo
- Publication number
- JPH01208892A JPH01208892A JP3474288A JP3474288A JPH01208892A JP H01208892 A JPH01208892 A JP H01208892A JP 3474288 A JP3474288 A JP 3474288A JP 3474288 A JP3474288 A JP 3474288A JP H01208892 A JPH01208892 A JP H01208892A
- Authority
- JP
- Japan
- Prior art keywords
- printed wiring
- flexible printed
- wiring board
- printed circuit
- connection
- 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
- 239000004020 conductor Substances 0.000 claims abstract description 9
- 235000011962 puddings Nutrition 0.000 claims 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
- 241001060350 Acalypha Species 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000013013 elastic material Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/36—Assembling printed circuits with other printed circuits
- H05K3/361—Assembling flexible printed circuits with other printed circuits
Landscapes
- Combinations Of Printed Boards (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
この発明は、フレキシブルプリント配線板の接続構造に
関し、より詳しくは、柔軟な絶縁ベースフィルムの片面
または両面に、導体回路を作成しているフレキシブルプ
リント配線板どうし、又は、上記フレキシブルプリント
配線板と一般的な硬質プリント配線板とを、それぞれ電
気的に接続する構造に関する。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a connection structure for a flexible printed wiring board, and more specifically, to a flexible printed wiring board in which a conductor circuit is formed on one or both sides of a flexible insulating base film. The present invention relates to a structure for electrically connecting printed wiring boards or the flexible printed wiring board and a general rigid printed wiring board.
〈従来の技術〉
フレキシブルプリント配線板は、通常の電線や硬質配線
基板に比べて、小型軽量化、配線レイアウトの単純化、
配線作業の簡素化、回路特性および信頼性の向上等が可
能であることから、電子卓上計算機、電話機、カメラの
内部配線、或いは自動車の配線パネル等に広く使用され
ている。<Conventional technology> Flexible printed wiring boards are smaller and lighter, have simpler wiring layouts, and
Since it is possible to simplify wiring work and improve circuit characteristics and reliability, it is widely used for internal wiring of electronic desktop calculators, telephones, and cameras, and for automobile wiring panels.
上記フレキシブルプリント配線板を、他のフレキシブル
プリント配線板や一般的なプリント配線板に対して電気
的に接続する技術として、各プリント配線板の導体回路
に設けられた接続部を、導電性ゴム、或いは導電性接着
剤によって接続したり、コネクタを介して接続したりす
ることが知られている。As a technique for electrically connecting the above-mentioned flexible printed wiring board to other flexible printed wiring boards or general printed wiring boards, the connecting portions provided in the conductive circuits of each printed wiring board are connected using conductive rubber, Alternatively, it is known to connect using a conductive adhesive or to connect via a connector.
〈発明が解決しようとする課題〉
上記の導電性ゴムや導電性接着剤を使用する場合には、
接続部分の接触抵抗が大きくなるという問題点があった
。<Problem to be solved by the invention> When using the above conductive rubber or conductive adhesive,
There was a problem in that the contact resistance at the connection part increased.
また、コネクタを使用する場合には、コネクタの分だけ
余分なスペースが必要であると共に、専用コネクタが必
要であるので、コストが高くつくという問題があった。Furthermore, when a connector is used, an extra space is required for the connector, and a dedicated connector is also required, resulting in high costs.
この発明は上記問題点に鑑みてなされたものであり、接
続スペースが少なくて済むと共に、接触抵抗が小さく、
しかも接続コストが安価なフレキシブルプリント配線板
の接続構造を提供することを目的とする。This invention was made in view of the above problems, and requires less connection space and has low contact resistance.
Moreover, it is an object of the present invention to provide a connection structure for a flexible printed wiring board that is inexpensive in connection cost.
く課題を解決するための手段〉
上記目的を達成するためのこの発明のフレキシブルプリ
ント配線板の接続構造としては、少なくとも一枚のフレ
キシブルプリント配線板を含む複数のプリント配線板を
、それぞれの導体回路の所定部に設けられた接続部にお
いて電気的に接続する構造であって、各プリント配線板
を、少なくとも対応する接続部を対向させた状態で、所
定間隔離して配置していると共に、プリント配線板どう
しを連結体によって連結し、さらに接続部間に、接続部
どうしを導通させる導電性の弾性接続部材を、弾性収縮
させた状態で介在させていることを特徴とするものであ
る。Means for Solving the Problems> In order to achieve the above object, the flexible printed wiring board connection structure of the present invention connects a plurality of printed wiring boards including at least one flexible printed wiring board to each conductor circuit. It is a structure in which electrical connections are made at connection parts provided at predetermined parts of the printed wiring boards, and each printed wiring board is placed separated by a predetermined distance with at least the corresponding connection parts facing each other, and the printed wiring boards are The plates are connected to each other by a connecting body, and a conductive elastic connecting member is interposed between the connecting portions in an elastically contracted state to provide electrical continuity between the connecting portions.
く作用〉
上記の構成のフレキシブルプリント配線板の接続構造に
よれば、連結体により連結したプリント配線板の接続部
間に、弾性収縮された状態で導電性の弾性接続部材を介
在させたので、該弾性接続部材の反発力によって、プリ
ント配線板どうしを強固に連結することができると共に
、接続部間の接触抵抗を小さくすることができる。Effects> According to the connection structure for flexible printed wiring boards having the above-mentioned configuration, since the conductive elastic connection member is interposed in an elastically contracted state between the connection parts of the printed wiring boards connected by the connecting body, Due to the repulsive force of the elastic connecting member, printed wiring boards can be firmly connected to each other, and contact resistance between connecting parts can be reduced.
〈実施例〉 以下実施例を示す添付図面によって詳細に説明する。<Example> Embodiments will be described in detail below with reference to the accompanying drawings showing embodiments.
第２図は、この発明のフレキシブルプリント配線板の接
続構造を示す分解斜視図であり、ポリエステルフィルム
、ポリアミドフィルム等からなる絶縁ベースフィルム（
１１）の表面に所定パターンの導体回路（１２）が作成
されたフレキシブルプリント配線板（１）と、同じく絶
縁ベースフィルム（２１）の表面に、所定パターンの導
体回路（２２）が作成されたフレキシブルプリント配線
板（２）とが、所定間隔離して対向配置されている。上
記各フレキシブルプリント配線板（１） （２）は、少
なくともそれぞれの導体回路（＋２）（２２）を対向さ
せた状態で配置されている。FIG. 2 is an exploded perspective view showing the connection structure of the flexible printed wiring board of the present invention.
A flexible printed wiring board (1) on which a conductor circuit (12) with a predetermined pattern is formed on the surface of the insulating base film (21); A printed wiring board (2) is placed facing each other and separated by a predetermined distance. Each of the flexible printed wiring boards (1) and (2) is arranged with at least the respective conductor circuits (+2) and (22) facing each other.
また、上記対向した導体回路（１２） （２２）の所定
部には、外部回路に対する接続部（１３）（２３）が銅
箔等により形成されており、各フレキシブルプリント配
線板（１） （２）の接続部（１３） （２３）近傍の
ベースフィルム（１１）（２１）部分には、各フレキシ
ブルプリント配線板（１） （２）を連結させるチャン
ネル形で針状の連結体（４）が貫通している。In addition, connection parts (13) (23) to external circuits are formed of copper foil or the like at predetermined parts of the opposed conductor circuits (12) (22), and each flexible printed wiring board (1) (2 ) In the base film (11) (21) near the connection part (13) (23), there is a channel-shaped needle-like connecting body (4) that connects each flexible printed wiring board (1) (2). Penetrating.
さらに、上記フレキシブルプリント配線板（１） （２
）の接続部（１３） （２３）間には、弾性接続部材と
しての銅等の導電性材からなる略コの字状の圧縮板ばね
（３）が介在されており、第１図に示すように、この圧
縮板ばね（３）を弾性収縮させた状態で各接触部（１３
） （２３）に対して密着させである。即ち、圧縮板ば
ね（３）によって、各フレキシブルプリント配線板（１
） （２）の接続部（１３） （２３）が互いに導通さ
れている。Furthermore, the above flexible printed wiring boards (1) (2
) A substantially U-shaped compression plate spring (3) made of a conductive material such as copper is interposed as an elastic connecting member between the connecting parts (13) and (23), as shown in Fig. 1. With this compression plate spring (3) elastically contracted, each contact portion (13
) (23). That is, each flexible printed wiring board (1
) The connecting portions (13) and (23) of (2) are electrically connected to each other.
一方、連結体（４）の一端部（４ａ）が、フレキシブル
プリント配線板（１）の上面であって接触部（１３）の
背面に相当する部分と当接していると共に、連結体（４
）の他端部（４ｂ）が、フレキシブルプリント配線板（
２）の下面であって接触部（２３）の背面に相当する部
分と当接しており、接触部（１３） （２３）と圧縮板
ばね（３）との接触を確実にしている。On the other hand, one end (4a) of the connecting body (4) is in contact with the upper surface of the flexible printed wiring board (1) and a portion corresponding to the back surface of the contact portion (13), and the connecting body (4)
) has the other end (4b) of the flexible printed wiring board (
2), which is in contact with a portion corresponding to the back surface of the contact portion (23), to ensure contact between the contact portion (13) (23) and the compression leaf spring (3).
このように、圧縮板ばね（３）と連結体（４）とにより
フレキシブルプリント配線板（１） （２）を互いに接
続させているので、接続スペースが少なく済むと共に、
接続コストも易くて済むことになる。さらに、フレキシ
ブルプリント配線板（１） （２）相互間に介在された
導電性の圧縮板ばね（３）の反発力によって、フレキシ
プルプリント配線板（１） （２）どうしを強固に連結
することができると共に、接続部（１３） （２３）間
の接触抵抗も小さ（することができる。In this way, since the flexible printed wiring boards (1) and (2) are connected to each other by the compression leaf spring (3) and the connecting body (4), the connection space can be reduced, and
Connection costs can also be reduced. Furthermore, the flexible printed wiring boards (1) (2) can be firmly connected to each other by the repulsive force of the conductive compression leaf spring (3) interposed between the flexible printed wiring boards (1) (2). At the same time, the contact resistance between the connecting portions (13) and (23) can be reduced.
尚、上記連結体（４）を挿通させる挿通孔を、各フレキ
シブルプリント配線板（１）■の対応する位置に、あら
かじめ形成しておくことにより、各フレキシブルプリン
ト配線板（１） （２）相互の位置決めを、上記連結と
同時に正確に行える。In addition, by forming in advance insertion holes through which the connecting body (4) is inserted at corresponding positions of each flexible printed wiring board (1) (2), each flexible printed wiring board (1) (2) can be inserted easily. can be accurately positioned at the same time as the above-mentioned connection.
さらに、連結体（４）の幅は、接触部（１３） （２３
）どうしの接触が確実となるように、接触部（１３）（
２３）の幅に対応させておくのが好ましい。Furthermore, the width of the connecting body (4) is determined by the width of the contact portion (13) (23
) to ensure contact between the contact parts (13) (
It is preferable to make the width correspond to the width of 23).
また、第３図および第４図に示すように、フレキシブル
プリント配線板（１） （２）上に点在する複数の接続
部（１３） （２３）の各々の近傍に連結体（４）を挿
通させて、各フレキシブルプリント配線板（１） （２
）を連結すれば、上記のように点在した各接続部（１３
） （２３）間の接続をより確実にすることができる。In addition, as shown in FIGS. 3 and 4, connecting bodies (4) are placed near each of the plurality of connection parts (13) (23) scattered on the flexible printed wiring boards (1) (2). Insert each flexible printed wiring board (1) (2
), each connection part (13
) (23) The connection between can be made more reliable.
なお、同図においては、２字形の圧縮板ばねからなる弾
性接続部材（３０）を用いている。In addition, in the figure, an elastic connecting member (30) made of a double-shaped compression plate spring is used.
また、第５図に示すように、弾性接続部材（３００）は
、複数の導電性の圧縮コイルばね（ａｔＯ）と、該圧縮
コイルばね（３１０）により連結された一対の導電性の
接触板（３２０）とにより構成することもでき、この場
合、弾性接続部材（ＳＯＯ）と各接続部（１３）（２３
）との接触面積を広く確保することができる。Further, as shown in FIG. 5, the elastic connecting member (300) includes a plurality of conductive compression coil springs (atO) and a pair of conductive contact plates ( 320), and in this case, the elastic connecting member (SOO) and each connecting part (13) (23
) can ensure a wide contact area.
この発明のフレキシブルプリント配線板の接続構造は、
フレキシブルプリント配線板と、一般の硬質プリント配
線板との接続構造としても適用することができる。また
、少なくとも１枚のフレキシブルプリント配線板を有す
る３枚以上のプリント配線板を同時に接続させる接続構
造としても適用することができる。さらに、フレキシブ
ルプリント配線板として、導体回路の所要部にオーバー
レイを施したものを使用してもよい。The connection structure of the flexible printed wiring board of this invention is as follows:
It can also be applied as a connection structure between a flexible printed wiring board and a general rigid printed wiring board. Moreover, it can be applied as a connection structure for simultaneously connecting three or more printed wiring boards each having at least one flexible printed wiring board. Further, as a flexible printed wiring board, a board in which a conductive circuit is overlaid on a required portion may be used.
その他、弾性接続部材（３）として皿ばねを用いること
、或いは連結体（４）をリベット等の他の部材で構成す
ること等この発明の要旨を変更しない範囲で種々の設計
変更を施すことができる。In addition, various design changes may be made without changing the gist of the present invention, such as using a disc spring as the elastic connecting member (3) or configuring the connecting body (4) with other members such as rivets. can.
〈発明の効果〉
以上のように、この発明のフレキシブルプリント配線板
の接続構造によれば、連結体により連結したプリント配
線板の接続部間に、弾性収縮された状態で導電性の弾性
接続部材を介在させたので、該弾性接続部材の反発力に
よって、プリント配線板どうしを強固に連結することが
できると共に、接続部間の接触抵抗を小さくすることが
できる。<Effects of the Invention> As described above, according to the flexible printed wiring board connection structure of the present invention, the conductive elastic connection member is elastically contracted between the connection parts of the printed wiring boards connected by the connecting body. , the repulsive force of the elastic connecting member makes it possible to firmly connect the printed wiring boards to each other and to reduce the contact resistance between the connecting parts.
さらに、接続スペースが少なくて済むと共に、接続コス
トを安くできるという特有の効果を奏する。Furthermore, it has the unique effect of requiring less connection space and lowering the connection cost.
第１図はこの発明のフレキシブルプリント配線板の接続
構造の一実施例を示す側面図、第２図は分解斜視図、
第３図は他の実施例を示す側面図、
第４図は第３図の実施例の平面図、
第５図はさらに他の実施例を示す側面図。
（１） （２）・・・フレキシブルプリント配線板、（
１２） （２２）・・・導体回路、
（１３） （２３）・・・接続部、
（３） （３０） （３００）・・・弾性接続部材、（
４）・・・連結体
特許出願人 住友電気工業株式会社
（はか２る） ＝−−−−
第１図
ｂ
第２図
を
第３図
第４図
第５図Fig. 1 is a side view showing one embodiment of the flexible printed wiring board connection structure of the present invention, Fig. 2 is an exploded perspective view, Fig. 3 is a side view showing another embodiment, and Fig. 4 is a third embodiment. FIG. 5 is a plan view of the embodiment shown in the figure, and FIG. 5 is a side view showing still another embodiment. (1) (2)...Flexible printed wiring board, (
12) (22)...Conductor circuit, (13) (23)...Connection part, (3) (30) (300)...Elastic connection member, (
4) ... Connector patent applicant Sumitomo Electric Industries, Ltd. (Haka2ru) =---- Figure 1 b Figure 2 Figure 3 Figure 4 Figure 5
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3474288A JPH01208892A (en) | 1988-02-16 | 1988-02-16 | Connection structure of flexible printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3474288A JPH01208892A (en) | 1988-02-16 | 1988-02-16 | Connection structure of flexible printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01208892A true JPH01208892A (en) | 1989-08-22 |
Family
ID=12422773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3474288A Pending JPH01208892A (en) | 1988-02-16 | 1988-02-16 | Connection structure of flexible printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01208892A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0365273U (en) * | 1989-10-31 | 1991-06-25 | ||
| US5479320A (en) * | 1991-12-31 | 1995-12-26 | Compaq Computer Corporation | Board-to-board connector including an insulative spacer having a conducting surface and U-shaped contacts |
| JP2006066729A (en) * | 2004-08-27 | 2006-03-09 | Toshiba Corp | Circuit board module and manufacturing method thereof |
| CN108235569A (en) * | 2016-05-31 | 2018-06-29 | 广东欧珀移动通信有限公司 | A kind of multiple-printed-panel for circuit board |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS558938U (en) * | 1978-07-03 | 1980-01-21 | ||
| JPS5743585B2 (en) * | 1974-06-08 | 1982-09-16 | ||
| JPH0122072B2 (en) * | 1982-06-21 | 1989-04-25 | Tanaka Precious Metal Ind |
-
1988
- 1988-02-16 JP JP3474288A patent/JPH01208892A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5743585B2 (en) * | 1974-06-08 | 1982-09-16 | ||
| JPS558938U (en) * | 1978-07-03 | 1980-01-21 | ||
| JPH0122072B2 (en) * | 1982-06-21 | 1989-04-25 | Tanaka Precious Metal Ind |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0365273U (en) * | 1989-10-31 | 1991-06-25 | ||
| US5479320A (en) * | 1991-12-31 | 1995-12-26 | Compaq Computer Corporation | Board-to-board connector including an insulative spacer having a conducting surface and U-shaped contacts |
| JP2006066729A (en) * | 2004-08-27 | 2006-03-09 | Toshiba Corp | Circuit board module and manufacturing method thereof |
| CN108235569A (en) * | 2016-05-31 | 2018-06-29 | 广东欧珀移动通信有限公司 | A kind of multiple-printed-panel for circuit board |
| CN108235569B (en) * | 2016-05-31 | 2020-01-14 | Oppo广东移动通信有限公司 | Circuit board jointed board |
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