JPH04246882A - Flexible printed circuit board - Google Patents
Flexible printed circuit boardInfo
- Publication number
- JPH04246882A JPH04246882A JP1214291A JP1214291A JPH04246882A JP H04246882 A JPH04246882 A JP H04246882A JP 1214291 A JP1214291 A JP 1214291A JP 1214291 A JP1214291 A JP 1214291A JP H04246882 A JPH04246882 A JP H04246882A
- Authority
- JP
- Japan
- Prior art keywords
- flexible printed
- circuit board
- printed circuit
- electrical component
- component mounting
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0393—Flexible materials
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明はフレキシブルプリント回
路基板に関する。FIELD OF THE INVENTION This invention relates to flexible printed circuit boards.
【０００２】0002
【従来の技術】電気部品を搭載するフレキシブルプリン
ト回路基板は、最近では実装規模の大型化に伴なって図
３に示すように複数の電気部品搭載部２０１〜２０３に
電気部品１０〜１２を搭載し、それら電気部品搭載部２
０１〜２０３を互いに接続している接続部２０４及び２
０５の上にプリント形成された配線（図示せず）を介し
て各電気部品が互いに電気的に接続されるように構成さ
れている。このように電気部品を実装されたフレキシブ
ルプリント回路基板は、図４に示すように、カメラ本体
等の機器３の外周面に沿わせたり、該機器の空間部に折
り込むように実装される。[Background Art] Flexible printed circuit boards on which electrical components are mounted have recently become larger in scale, and as shown in FIG. And those electric component mounting parts 2
Connecting parts 204 and 2 connecting 01 to 203 to each other
Each electrical component is configured to be electrically connected to each other via wiring (not shown) printed on the 05. As shown in FIG. 4, the flexible printed circuit board on which electrical components are mounted in this manner is mounted along the outer peripheral surface of a device 3 such as a camera body or folded into a space of the device.
【０００３】0003
【発明が解決しよとする課題】近年、電気部品を搭載し
た電気機器の小型化及び高性能化そして多機能化が急激
に進行している。その結果、回路規模の大型化に伴うＩ
Ｃの増加にもかかわらず実装スペースは小さくなってい
るため、実装形態もさらなる高密度実装が要求されるよ
うになってきた。[Problems to be Solved by the Invention] In recent years, electrical equipment equipped with electrical components has been rapidly becoming smaller, more sophisticated, and more multifunctional. As a result, the I
Despite the increase in C, the mounting space is becoming smaller, and therefore higher density mounting is now required.
【０００４】例えば図５に示すように第３の電気部品搭
載部５１３にＩＣ等の多数の電極を持つ大型電気部品２
３を搭載した場合、接続部５２１及び５２２のみでは回
路パターンの構成が不可能となる場合が生じる。そのた
め、回路パターン通過用の短絡接続部５２３を構成しな
ければならなくなった。なお、図５において、５１１〜
５１３は電気部品搭載部、５２１及び５２２は接続部、
２１〜２３は電気部品、である。For example, as shown in FIG. 5, a large electrical component 2 having many electrodes such as an IC is mounted on a third electrical component mounting portion 513.
3, it may become impossible to configure a circuit pattern using only the connecting portions 521 and 522. Therefore, it has become necessary to construct a short-circuit connection portion 523 for passing through the circuit pattern. In addition, in FIG. 5, 511 to
513 is an electrical component mounting part, 521 and 522 are connection parts,
21 to 23 are electrical parts.
【０００５】しかしながら、展開図上、このような外形
のフレキシブルプリント回路基板を図６のように機器３
に実装した場合、短絡接続部５２３は図６の（ｂ）に示
すように変形させられ、特に短絡接続部５２３の根元部
とコーナー部内側に非常なねじりや引張りなどのストレ
スを受けるため、回路パターン切れや基板自体の切断の
原因となっていた。However, in the development diagram, a flexible printed circuit board with such an external shape is connected to the device 3 as shown in FIG.
When the short-circuit connection part 523 is mounted on a PC, the short-circuit connection part 523 is deformed as shown in FIG. This caused pattern breakage and cutting of the board itself.
【０００６】それ故、本発明の目的は、基板の切断や配
線切断を起こす恐れのない、改善されたフレキシブルプ
リント回路基板を提供することである。SUMMARY OF THE INVENTION It is, therefore, an object of the present invention to provide an improved flexible printed circuit board that is free from the risk of cutting the board or cutting the wiring.
【０００７】[0007]
【課題を解決するための手段】本発明による改良された
フレキシブルプリント回路基板は、電気部品搭載部を互
いに接続している接続部に、ほぼＵ字形の外縁形状を持
つ屈曲部を設け、該屈曲部において捩りや引張り等の内
部応力（ストレス）を吸収させるように構成されている
ことを特徴とする。[Means for Solving the Problems] An improved flexible printed circuit board according to the present invention is provided with a bent portion having a substantially U-shaped outer edge shape at a connecting portion that connects electrical component mounting portions to each other. It is characterized by being configured to absorb internal stresses such as torsion and tension in the parts.
【０００８】[0008]
【作用】本発明によるフレキシブルプリント基板は該屈
曲部において内部応力が吸収されるので接続部の破断や
配線切断を生ずる恐れがない。[Operation] In the flexible printed circuit board according to the present invention, internal stress is absorbed at the bent portion, so there is no risk of breakage of the connection portion or disconnection of the wiring.
【０００９】[0009]
【実施例】以下に図１及び図２を参照して本発明の実施
例を説明する。同図に於いて、１はフレキシブルプリン
ト回路基板、１１１は該基板１の第１の電気部品搭載部
、１１２は第２の電気部品搭載部、１１３は第３の電気
部品搭載部、１２１は第１と第２の電気部品搭載部を互
いに接続する接続部（曲げ内側）、１２２は第２と第３
の電気部品搭載部を互いに接続する接続部、１２３は第
１と第３の電気部品搭載部を互いに接続する接続部（曲
げ外側）、である。Embodiments An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. In the figure, 1 is a flexible printed circuit board, 111 is a first electrical component mounting portion of the board 1, 112 is a second electrical component mounting portion, 113 is a third electrical component mounting portion, and 121 is a third electrical component mounting portion. 1 and 2 are connected to each other (on the inside of the bend), 122 is the second and third
A connecting portion 123 connects the first and third electrical component mounting portions to each other (on the outside of the bend).
【００１０】前述の如き構造のフレキシブルプリント回
路基板１をたとえばカメラ本体等の如き機器３に実装さ
せる場合、第１の電気部品搭載部１１１は機器３の側面
部に沿って配置され、第２の電気部品搭載部１１２は機
器３の底面部に沿って配置される。さらに第３の電気部
品搭載部１１３は機器３の下方スペースに折り曲げて実
装される。When the flexible printed circuit board 1 having the above-described structure is mounted on a device 3 such as a camera body, the first electrical component mounting portion 111 is arranged along the side surface of the device 3, and the second The electrical component mounting section 112 is arranged along the bottom surface of the device 3. Further, the third electrical component mounting portion 113 is bent and mounted in the space below the device 3.
【００１１】第１と第３の電気部品搭載部１１１及び１
１３を互いに接続する接続部１２３は図１に図示する如
くその途中に略Ｕ字形の屈曲部１２３ａを有している。[0011] First and third electrical component mounting parts 111 and 1
As shown in FIG. 1, the connecting portion 123 that connects the 13 to each other has a substantially U-shaped bent portion 123a in the middle thereof.
【００１２】この略Ｕ字形の屈曲部１２３ａを設けるこ
とにより、図１に示すようにこの屈曲部１２３ａをもつ
接続部１２３を曲げ外側として実装したとき、この屈曲
部１２３ａの２本の脚が開くことによりこの接続部１２
３へ働くストレスを吸収することができる。By providing this approximately U-shaped bent portion 123a, when the connecting portion 123 having this bent portion 123a is bent and mounted on the outside as shown in FIG. 1, the two legs of this bent portion 123a are opened. Possibly this connection 12
3. It can absorb stress.
【００１３】[0013]
【発明の効果】以上説明したように、電気部品搭載部間
を互いに接続する接続部１２３の途中にＵ字形の屈曲部
１２３ａを形成することにより、機器への組付け状態に
おいて該接続部に作用するストレスを吸収することがで
きるので、回路パターン切れや回路基板の切断を未然に
防止できる効果がある。Effects of the Invention As explained above, by forming the U-shaped bent portion 123a in the middle of the connecting portion 123 that connects the electrical component mounting portions to each other, it is possible to act on the connecting portion when assembled to the equipment. Since it is possible to absorb the stress that occurs, it has the effect of preventing circuit pattern breakage and circuit board breakage.
【００１４】したがって、本発明によれば、実装規模の
大型化、折り曲げの複雑化にも十分対応したフレキシブ
ルプリント回路基板を提供できるものである。Therefore, according to the present invention, it is possible to provide a flexible printed circuit board that can sufficiently cope with larger packaging and more complicated bending.
【図１】本発明のフレキシブルプリント回路基板の概略
平面図。FIG. 1 is a schematic plan view of a flexible printed circuit board of the present invention.
【図２】図１に示したフレキシブルプリント回路基板を
機器に実装した場合の図で（ａ）は正面図、（ｂ）は測
面図。2A and 2B are diagrams of the flexible printed circuit board shown in FIG. 1 mounted on a device, in which (a) is a front view and (b) is a surface view.
【図３】従来のフレキシブルプリント回路基板の展開図
。FIG. 3 is a developed view of a conventional flexible printed circuit board.
【図４】図３のフレキシブルプリント回路基板を機器に
実装した状態の一部正面図（ａ）と側面図（ｂ）。4 is a partial front view (a) and a side view (b) of the flexible printed circuit board of FIG. 3 mounted on a device; FIG.
【図５】従来の他のフレキシブルプリント回路基板の展
開図。FIG. 5 is a developed view of another conventional flexible printed circuit board.
【図６】図５のフレキシブルプリント回路基板を機器に
実装した状態を示す正面図（ａ）及び側面図（ｂ）。6 is a front view (a) and a side view (b) showing a state in which the flexible printed circuit board of FIG. 5 is mounted on a device; FIG.
１：フレキシブルプリント回路基板
１１１〜１１３：電気部品搭載部 １２
１〜１２３：接続部
１２３ａ：屈曲部
２１〜２３：電気部品
３：機器
２０１〜２０３：電気部品搭載部
２０４，２０５：接続部
１０〜１２：電気部品
５：フレキシブルプリント回路基板
５１１〜５１３：電気部品搭載部 ５２
１〜５２３：接続部
２１〜２３：電気部品1: Flexible printed circuit board 111 to 113: Electrical component mounting section 12
1 to 123: Connection portion 123a: Bent portion
21-23: Electrical parts 3: Equipment
201 to 203: Electrical component mounting section 204, 205: Connection section
10-12: Electrical component 5: Flexible printed circuit board 511-513: Electrical component mounting section 52
1-523: Connection parts 21-23: Electrical parts
Claims (1)
搭載部を互いに接続している接続部と、を有しているフ
レキシブルプリント回路基板において、該接続部に外縁
形状がほぼＵ字形の屈曲部を形成したことを特徴とする
フレキシブルプリント回路基板。Claim 1: A flexible printed circuit board having a plurality of electrical component mounting portions and a connecting portion connecting the electrical component mounting portions to each other, wherein the connecting portion has an outer edge that is approximately U-shaped. A flexible printed circuit board characterized by forming a bent part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1214291A JPH04246882A (en) | 1991-02-01 | 1991-02-01 | Flexible printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1214291A JPH04246882A (en) | 1991-02-01 | 1991-02-01 | Flexible printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04246882A true JPH04246882A (en) | 1992-09-02 |
Family
ID=11797255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1214291A Pending JPH04246882A (en) | 1991-02-01 | 1991-02-01 | Flexible printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04246882A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5495076A (en) * | 1993-10-18 | 1996-02-27 | Ford Motor Company | Flexible geometry circuit board |
| US5527187A (en) * | 1994-11-17 | 1996-06-18 | Ford Motor Company | Compliant electrical interconnect |
| JP2007103695A (en) * | 2005-10-05 | 2007-04-19 | Sumitomo Bakelite Co Ltd | Flexible printed board and electronic apparatus |
| JP2007123676A (en) * | 2005-10-31 | 2007-05-17 | Olympus Corp | Structure for inspecting substrate, and method for inspecting wiring substrate |
| JP2009128153A (en) * | 2007-11-22 | 2009-06-11 | Aisin Seiki Co Ltd | Load detection sensor for vehicle seat |
-
1991
- 1991-02-01 JP JP1214291A patent/JPH04246882A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5495076A (en) * | 1993-10-18 | 1996-02-27 | Ford Motor Company | Flexible geometry circuit board |
| US5527187A (en) * | 1994-11-17 | 1996-06-18 | Ford Motor Company | Compliant electrical interconnect |
| JP2007103695A (en) * | 2005-10-05 | 2007-04-19 | Sumitomo Bakelite Co Ltd | Flexible printed board and electronic apparatus |
| JP2007123676A (en) * | 2005-10-31 | 2007-05-17 | Olympus Corp | Structure for inspecting substrate, and method for inspecting wiring substrate |
| JP2009128153A (en) * | 2007-11-22 | 2009-06-11 | Aisin Seiki Co Ltd | Load detection sensor for vehicle seat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20030060062A1 (en) | Flexible Printed Circuit Board Having Conductor Lands Formed Thereon | |
| JPH04246882A (en) | Flexible printed circuit board | |
| US20090000810A1 (en) | Printed circuit board | |
| JP5142573B2 (en) | Electronics | |
| US7167374B2 (en) | Circuit substrate and electronic equipment | |
| JPH06310827A (en) | Surface mounting component arrangement structure | |
| JPH08330006A (en) | Mounting structure of connector for external connection | |
| JPH0462801A (en) | Chip-type electronic parts | |
| JP2001035632A (en) | Printed board device and its manufacture | |
| JP2000195586A (en) | Circuit board for card connector | |
| JP3906563B2 (en) | Surface mount module | |
| JP2783075B2 (en) | Integrated circuit package assembly | |
| JPH0645494A (en) | Package for semiconductor integrated circuit | |
| JP2522585Y2 (en) | Donut type jumper wire unit | |
| JPH07302995A (en) | Coupling structure of plurality of printed-circuit boards | |
| JPH04307988A (en) | Electronic unit | |
| JPH1187909A (en) | Ic connecting apparatus and auxiliary board for connecting ic | |
| JPH0575003A (en) | Packaging structure of semiconductor device | |
| JPH0722577A (en) | Hybrid integrated circuit device | |
| JP4548177B2 (en) | Wiring board for mounting chip components | |
| JPH04181748A (en) | Tab tape | |
| JPH1070351A (en) | Structure of mounting electronic component | |
| JPH06232522A (en) | Printed wiring board | |
| JPH0982436A (en) | Pin receptacle with juncture | |
| JPH0722091A (en) | Connection terminal |