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JPH1167304A - Jumper structure of flexible printed circuit board - Google Patents

Jumper structure of flexible printed circuit board

Info

Publication number
JPH1167304A
JPH1167304A JP22481597A JP22481597A JPH1167304A JP H1167304 A JPH1167304 A JP H1167304A JP 22481597 A JP22481597 A JP 22481597A JP 22481597 A JP22481597 A JP 22481597A JP H1167304 A JPH1167304 A JP H1167304A
Authority
JP
Japan
Prior art keywords
jumper
printed circuit
circuit board
flexible printed
conductor
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.)
Granted
Application number
JP22481597A
Other languages
Japanese (ja)
Other versions
JP3363075B2 (en
Inventor
Yasuhiro Hattori
康弘 服部
Atsuhiro Togawa
敦裕 戸川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Wiring Systems Ltd
Sumitomo Electric Industries Ltd
Harness Sogo Gijutsu Kenkyusho KK
Original Assignee
Sumitomo Wiring Systems Ltd
Sumitomo Electric Industries Ltd
Harness Sogo Gijutsu Kenkyusho KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Wiring Systems Ltd, Sumitomo Electric Industries Ltd, Harness Sogo Gijutsu Kenkyusho KK filed Critical Sumitomo Wiring Systems Ltd
Priority to JP22481597A priority Critical patent/JP3363075B2/en
Publication of JPH1167304A publication Critical patent/JPH1167304A/en
Application granted granted Critical
Publication of JP3363075B2 publication Critical patent/JP3363075B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/11Printed elements for providing electric connections to or between printed circuits
    • H05K1/118Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/22Secondary treatment of printed circuits
    • H05K3/222Completing of printed circuits by adding non-printed jumper connections

Landscapes

  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a jumper structure capable of easily connecting a distant conductor part by providing a wire-shaped or conductor plate shaped jumper, and thereby connecting predetermined conductor parts of a flexible printed circuit board to each other. SOLUTION: A wire-shaped jumper 5A having connection ends 5a and 5b matching an interval T1 of predetermined positions b' and j' of conductor parts (a) to (o) of a flexible printed circuit board 1 is provided. In this jumper 5A, a wire is bent into a downward U-shape, insulation at a bent end is stripped, and a conductor is exposed. In the jumper 5A, a connection end 5a is inserted into a through-hole of a conductor part b, and the other connection end 5b is inserted into a through-hole of a conductor part (j). The connection ends 5a and 5b are soldered from a back face side to a land part by flow soldering or the like. The predetermined conductor parts (b) and (j) distant from the printed circuit board 1 can be connected directly and the degrees of freedom for design of the board 1 is enhanced.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、離れた導体部を簡
単に直接接続できるようにしたフレキシブルプリント基
板のジャンパー構造に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jumper structure for a flexible printed circuit board, which enables direct connection of remote conductors easily.

【0002】[0002]

【従来の技術】自動車用ワイヤーハーネス等を種々の電
装品に分岐接続するのに用いられる電気接続箱は、分岐
接続点を1箇所に集中させて、配線を合理的かつ経済的
に分岐接続するものであり、ワイヤーハーネスの高密度
化に伴って、車種別又は用途別に種々の形式のものが開
発されている。
2. Description of the Related Art An electrical junction box used for branch connection of a wiring harness for automobiles to various electric components is provided with branch connection points concentrated at one place, and wiring is rationally and economically connected. With the increase in the density of wire harnesses, various types have been developed according to vehicle types or applications.

【0003】上記のような電気接続箱には、大電流用と
してバスバー若しくは単芯線回路、小電流用としてプリ
ント基板(PCB)やフレキシブルプリント基板(FP
C)が積層して収容されているものがある。
[0003] The electric connection box as described above includes a bus bar or a single core circuit for a large current, and a printed circuit board (PCB) or a flexible printed circuit board (FP) for a small current.
C) may be stacked and accommodated.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、図6
(A)に示すように、フレキシブルプリント基板1で
は、各導体部a〜oの内、隣り合う導体部f,gやh,
iは、接続用導体部qでそれぞれ直接接続できるもの
の、黒丸で示すような離れた導体部b,jやk,oは直
接接続できない。
However, FIG.
As shown in (A), in the flexible printed circuit board 1, adjacent conductors f, g, h, and
Although i can be directly connected by the connecting conductors q, the conductors b, j and k, o, which are separated by black circles, cannot be directly connected.

【0005】これに対して、図6(B)に示すように、
絶縁板8上のバスバー回路2では、離れた導体部b,j
やk,oは、接続用導体部qでそれぞれ直接接続できる
ものの、接続用導体部qに交差する導体部c〜iやl〜
nは、下層のバスバー回路の導体部にそれぞれ接続する
ことになるので、層数が増加すると共にコストアップに
もなる。なお、プリント基板もバスバー回路と同様であ
る。
On the other hand, as shown in FIG.
In the bus bar circuit 2 on the insulating plate 8, the separated conductor portions b and j
And k and o can be directly connected by the connection conductor q, respectively, but the conductors c to i and l to
Since n is connected to the conductor of the lower bus bar circuit, the number of layers increases and the cost increases. The printed circuit board is the same as the bus bar circuit.

【0006】本発明は、上記従来の問題を解決するため
になされたもので、離れた導体部を簡単に直接接続でき
るようにしたフレキシブルプリント基板のジャンパー構
造を提供することを目的とするものである。
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and has as its object to provide a jumper structure of a flexible printed circuit board in which separated conductors can be easily directly connected. is there.

【0007】[0007]

【課題を解決するための手段】上記課題を解決するため
に、本発明は、シート状の導体部の表裏両面に絶縁フィ
ルムをコーティングしてなるフレキシブルプリント基板
において、電線状若しくは導電板状のジャンパーを設
け、このジャンパーで上記フレキシブルプリント基板の
所定の導体部同士を接続したことを特徴とするフレキシ
ブルプリント基板のジャンパー構造を提供するものであ
る。
SUMMARY OF THE INVENTION In order to solve the above problems, the present invention relates to a flexible printed circuit board in which an insulating film is coated on both the front and back surfaces of a sheet-shaped conductor, and a wire-shaped or conductive-plate-shaped jumper. And a predetermined conductor portion of the flexible printed circuit board is connected to each other by the jumper.

【0008】本発明によれば、別体のジャンパーを用い
ることにより、フレキシブルプリント基板の所定の導体
部同士を直接接続できる。
According to the present invention, predetermined conductor portions of the flexible printed circuit board can be directly connected to each other by using a separate jumper.

【0009】請求項2のように、上記フレキシブルプリ
ント基板の導体部に対応させて、ジャンパーの接続端部
の差し込み用穴を縦横に形成したジャンパーブロックを
設け、このジャンパーブロックの所定の差し込み用穴に
予めジャンパーの接続端部を差し込んで、ジャンパーブ
ロックをフレキシブルプリント基板に表裏いずれかの面
にあてがったとき、ジャンパーの接続端部を導体部の所
定のスルーホールに差し込めるようにした構成とすれ
ば、組み付けが容易になる。
According to a second aspect of the present invention, there is provided a jumper block in which insertion holes at connection ends of the jumper are formed vertically and horizontally corresponding to the conductors of the flexible printed circuit board, and a predetermined insertion hole of the jumper block is provided. The connection end of the jumper is inserted in advance and the connection end of the jumper can be inserted into a predetermined through hole of the conductor when the jumper block is applied to either side of the flexible printed circuit board. If this is the case, assembly becomes easier.

【0010】請求項3のように、上記フレキシブルプリ
ント基板は、電気接続箱に収容されたバスバー若しくは
単芯線回路又はプリント基板の上面に積層されている構
成とすれば、バスバー回路等の層数が増加しなくなる。
According to a third aspect of the present invention, when the flexible printed board is configured to be stacked on a bus bar or a single-core circuit accommodated in an electric connection box or on the upper surface of the printed board, the number of layers of the bus bar circuit and the like is reduced. Stops increasing.

【0011】[0011]

【発明の実施の形態】以下、本発明の実施の形態を図面
を参照して詳細に説明する。なお、従来技術と同一構成
・作用の箇所は同一番号を付して詳細な説明は省略す
る。
Embodiments of the present invention will be described below in detail with reference to the drawings. Note that the same components and operations as those of the prior art are denoted by the same reference numerals, and detailed description thereof will be omitted.

【0012】図1及び図3(A)に示すように、フレキ
シブルプリント基板1の離れた導体部b,jとk,oを
それぞれ接続する場合には、導体部b,jとk,oの所
定の位置b′,j′,k′,o′に、図2に詳細に示す
ように、スルーホール3をそれぞれ形成すると共に、こ
の各スルーホール3の表裏両面の絶縁フィルム4a,4
bに、導体部b,jとk,oの各スルーホール3よりも
大径のホール4c,4cをそれぞれ形成して、導体部
b,jとk,oの表裏両面にランド部4d,4dをそれ
ぞれ設ける。
As shown in FIGS. 1 and 3A, when the conductors b, j and k, o are separated from each other on the flexible printed circuit board 1, respectively, the conductors b, j and k, o are connected to each other. As shown in detail in FIG. 2, through holes 3 are respectively formed at predetermined positions b ', j', k ', and o', and insulating films 4a, 4 on the front and back surfaces of each through hole 3 are formed.
b, holes 4c, 4c having diameters larger than the through holes 3 of the conductors b, j and k, o, respectively, and lands 4d, 4d on both front and back surfaces of the conductors b, j, k, o. Are provided.

【0013】上記フレキシブルプリント基板1の各導体
部a〜oの一端部には、ワイヤーハーネス用コネクタを
嵌合させるためのコネクタ6,6の各端子6aを接続す
ると共に、各導体部a〜oの他端部には、下層のバスバ
ー2の各タブ端子を挿入するためのコネクタ7の各雌端
子(不図示)を接続する。なお、コネクタ7を設けず
に、各導体部a〜oの他端部に下層のバスバー2の各タ
ブ端子を直接接続するようにしても良い。
One end of each of the conductors a to o of the flexible printed circuit board 1 is connected to each terminal 6a of a connector 6, 6 for fitting a wire harness connector, and each of the conductors a to o. Is connected to each female terminal (not shown) of the connector 7 for inserting each tab terminal of the lower bus bar 2. Note that the tab terminals of the lower bus bar 2 may be directly connected to the other ends of the conductor portions a to o without providing the connector 7.

【0014】上記フレキシブルプリント基板1の各導体
部a〜oの所定の位置b′,j′の間隔T1に一致する
接続端部5a,5bを有する電線状のジャンパー5A
と、上記所定の位置k′,o′の間隔T2に一致する接
続端部5c,5dを有する電線状のジャンパー5Bとを
設ける。
An electric wire-shaped jumper 5A having connection ends 5a and 5b corresponding to an interval T1 between predetermined positions b 'and j' of the conductors a to o of the flexible printed circuit board 1.
And a wire-shaped jumper 5B having connection ends 5c and 5d corresponding to the interval T2 between the predetermined positions k 'and o'.

【0015】この各ジャンパー5A,5Bは、電線を下
向きコ字状に折り曲げて、各折り曲げ端部の絶縁を剥離
し、露出させた導体を接続端部5a〜5dとしたもので
ある。なお、導電板を下向きコ字状に折り曲げて、各折
り曲げ端部を接続端部としたものであっても良い。
Each of the jumpers 5A and 5B is formed by bending an electric wire in a downward U-shape, peeling off the insulation at each bent end, and using the exposed conductor as connection ends 5a to 5d. The conductive plate may be bent in a downward U-shape, and each bent end may be used as a connection end.

【0016】上記各ジャンパー5A,5Bの内、ジャン
パー5Aは、一方の接続端部5aを導体部bのスルーホ
ール4cに挿入すると共に、他方の接続端部5bを導体
部jのスルーホール4cに挿入する。同様に、ジャンパ
ー5Bは、一方の接続端部5cを導体部kのスルーホー
ル4cに挿入すると共に、他方の接続端部5dを導体部
oのスルーホール4cに挿入する。
Of the jumpers 5A and 5B, the jumper 5A has one connection end 5a inserted into the through hole 4c of the conductor portion b and the other connection end 5b inserted into the through hole 4c of the conductor portion j. insert. Similarly, the jumper 5B inserts one connection end 5c into the through hole 4c of the conductor k and inserts the other connection end 5d into the through hole 4c of the conductor o.

【0017】そして、フローソルダリング等によって各
接続端部5a〜5dを裏面側からランド部4dに半田付
けaすると、毛細管現象により裏面側から導体部b,
j,k,oのスルーホール3を通った半田が表面側にも
流れ込んで、表面側のランド部4dにも半田付けaされ
るようになる。
When the connection ends 5a to 5d are soldered to the lands 4d from the back side by flow soldering or the like, the conductors b,
The solder that has passed through the through holes 3 of j, k, and o also flows into the front surface side, and is also soldered to the land portion 4d on the front surface side.

【0018】このようにして、ジャンパー5A,5Bを
用いて、フレキシブルプリント基板1の所定の導体部
b,jとk,oとを直接接続できるようになるから、フ
レキシブルプリント基板1の回路設計の自由度が向上す
る。
In this way, the predetermined conductors b, j and k, o of the flexible printed board 1 can be directly connected by using the jumpers 5A, 5B. The degree of freedom is improved.

【0019】上記フレキシブルプリント基板1を、電気
接続箱に収容された絶縁板8上のバスバー回路(若しく
は単芯線回路)2又はプリント基板の上面に積層すれ
ば、図3(B)に示すように、離れた導体部b,jや
k,oを、従来(図6(B)参照)のように、接続用導
体部qでそれぞれ直接接続しなくてもよいから、接続用
導体部qに交差する導体部c〜iやl〜nを、下層のバ
スバー回路の導体部にそれぞれ接続しなくてもよいの
で、バスバー回路2等の層数を増加させる必要がなくな
る。
If the flexible printed circuit board 1 is laminated on the bus bar circuit (or single core circuit) 2 on the insulating plate 8 housed in the electric connection box or on the upper surface of the printed circuit board, as shown in FIG. Since the separated conductors b, j and k, o do not need to be directly connected by the connection conductor q as in the related art (see FIG. 6B), the conductors b, j and k, o intersect with the connection conductor q. It is not necessary to connect the conductors c to i and 1 to n to the conductors of the lower bus bar circuit, so that it is not necessary to increase the number of layers of the bus bar circuit 2 and the like.

【0020】図4及び図5(A)に示すように、上記フ
レキシブルプリント基板1の各導体部a〜oに対応させ
て、各種間隔のジャンパー5(C〜F)の接続端部5
e,5eの差し込み用穴6a,…を縦横に形成し、各差
し込み用穴6aに対応する電線嵌め込み溝6b,…を形
成した合成樹脂製のジャンパーブロック6を設ける。
As shown in FIGS. 4 and 5A, the connection ends 5 of the jumpers 5 (CF) at various intervals correspond to the conductors a to o of the flexible printed circuit board 1, respectively.
, 5e are formed vertically and horizontally, and jumper blocks 6 made of synthetic resin are formed in which electric wire fitting grooves 6b,... corresponding to the respective insertion holes 6a are formed.

【0021】そして、このジャンパーブロック6の所定
の差し込み用穴6a,…に予めジャンパー5(C〜F)
の接続端部5e,5eを差し込んで、ジャンパーブロッ
ク6をフレキシブルプリント基板1に上面にあてがった
とき、図4(B)に示すように、ジャンパー5(C〜
F)の接続端部5e,5eを導体部a〜oの所定のスル
ーホール3に差し込めるようにすれば、フレキシブルプ
リント基板1に対するジャンパー5(C〜F)の組み付
けが容易になる。なお、ジャンパーブロック6に、差し
込み用穴6a,…のみを形成したものであっても良い。
Then, jumpers 5 (CF) are previously inserted into predetermined insertion holes 6a,.
When the jumper block 6 is applied to the upper surface of the flexible printed circuit board 1 by inserting the connection ends 5e, 5e of the jumper 5 (C to C) as shown in FIG.
If the connection ends 5e, 5e of F) can be inserted into the predetermined through holes 3 of the conductors a to o, the jumpers 5 (C to F) can be easily attached to the flexible printed circuit board 1. The jumper block 6 may be formed with only the insertion holes 6a,.

【0022】[0022]

【発明の効果】以上の説明からも明らかなように、本発
明は、ジャンパーを用いてフレキシブルプリント基板の
所定の導体部同士を簡単に直接接続できるから、フレキ
シブルプリント基板の回路設計の自由度が向上するよう
になる。
As is clear from the above description, according to the present invention, the predetermined conductors of the flexible printed circuit board can be easily directly connected to each other by using a jumper. Be improved.

【0023】また、請求項2のように、ジャンパーブロ
ックの差し込み用穴に予めジャンパーの接続端部を差し
込んで、ジャンパーブロックをフレキシブルプリント基
板ににあてがったとき、ジャンパーの接続端部を導体部
の所定のスルーホールに差し込める構成であれば、組み
付けが容易になって組み付け工数を短縮できるようにな
る。
Also, when the connection end of the jumper is inserted in the insertion hole of the jumper block in advance and the jumper block is applied to the flexible printed circuit board, the connection end of the jumper is connected to the conductor. With a configuration that can be inserted into a predetermined through-hole, assembling becomes easier and the number of assembling steps can be reduced.

【0024】さらに、請求項3のように、フレキシブル
プリント基板を、電気接続箱に収容されたバスバー回路
等に積層する構成であれば、バスバー回路等の層数が増
加しなくなり、コストアップにならなくなる。
Further, if the flexible printed circuit board is laminated on the bus bar circuit or the like housed in the electric connection box as in claim 3, the number of layers of the bus bar circuit or the like does not increase, and the cost increases. Disappears.

【図面の簡単な説明】[Brief description of the drawings]

【図1】 本発明のフレキシブルプリント基板のジャン
パー構造の斜視図である。
FIG. 1 is a perspective view of a jumper structure of a flexible printed board according to the present invention.

【図2】 ジャンパーを接続したフレキシブルプリント
基板の要部断面図である。
FIG. 2 is a sectional view of a main part of a flexible printed board to which jumpers are connected.

【図3】 (A)はフレキシブルプリント基板の平面
図、(B)はバスバー回路の平面図である。
FIG. 3A is a plan view of a flexible printed circuit board, and FIG. 3B is a plan view of a bus bar circuit.

【図4】 ジャンパーブロックの斜視図である。FIG. 4 is a perspective view of a jumper block.

【図5】 (A)はジャンパーブロックをバスバー回路
に積層する前の要部断面図、(B)はジャンパーブロッ
クをバスバー回路に積層した後の要部断面図である。
5A is a cross-sectional view of a main part before a jumper block is stacked on a bus bar circuit, and FIG. 5B is a cross-sectional view of a main part after a jumper block is stacked on a bus bar circuit.

【図6】 従来例であり、(A)はフレキシブルプリン
ト基板の平面図、(B)はバスバー回路の平面図であ
る。
FIG. 6 is a conventional example, in which (A) is a plan view of a flexible printed circuit board, and (B) is a plan view of a bus bar circuit.

【符号の説明】[Explanation of symbols]

1 フレキシブルプリント基板 a〜o 導体部 2 バスバー回路 4a,4b 絶縁フィルム 5A,5B ジャンパー 6 ジャンパーブロック DESCRIPTION OF SYMBOLS 1 Flexible printed circuit board a-o Conductor part 2 Bus bar circuit 4a, 4b Insulating film 5A, 5B Jumper 6 Jumper block

───────────────────────────────────────────────────── フロントページの続き (72)発明者 戸川 敦裕 愛知県名古屋市南区菊住1丁目7番10号 株式会社ハーネス総合技術研究所内 ──────────────────────────────────────────────────続 き Continued from the front page (72) Inventor Atsuhiro Togawa 1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi Harness Research Institute, Inc.

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 シート状の導体部の表裏両面に絶縁フィ
ルムをコーティングしてなるフレキシブルプリント基板
において、 電線状若しくは導電板状のジャンパーを設け、このジャ
ンパーで上記フレキシブルプリント基板の所定の導体部
同士を接続したことを特徴とするフレキシブルプリント
基板のジャンパー構造。
1. A flexible printed circuit board in which an insulating film is coated on both front and back surfaces of a sheet-shaped conductor section, a wire-shaped or conductive-plate-shaped jumper is provided, and the predetermined conductor sections of the flexible printed board are connected by the jumper. The jumper structure of the flexible printed circuit board characterized by connecting.
【請求項2】 上記フレキシブルプリント基板の導体部
に対応させて、ジャンパーの接続端部の差し込み用穴を
縦横に形成したジャンパーブロックを設け、このジャン
パーブロックの所定の差し込み用穴に予めジャンパーの
接続端部を差し込んで、ジャンパーブロックをフレキシ
ブルプリント基板に表裏いずれかの面にあてがったと
き、ジャンパーの接続端部を導体部の所定のスルーホー
ルに差し込めるようにした請求項1に記載のフレキシブ
ルプリント基板のジャンパー構造。
2. A jumper block in which insertion holes at connection ends of a jumper are formed vertically and horizontally corresponding to the conductors of the flexible printed circuit board, and a jumper is previously connected to a predetermined insertion hole of the jumper block. 2. The flexible printed circuit according to claim 1, wherein, when the jumper block is applied to one of the front and back surfaces of the flexible printed circuit board by inserting the end, the connection end of the jumper can be inserted into a predetermined through hole of the conductor. Jumper structure of the board.
【請求項3】 上記フレキシブルプリント基板は、電気
接続箱に収容されたバスバー若しくは単芯線回路又はプ
リント基板の上面に積層されている請求項1又は請求項
2に記載のフレキシブルプリント基板のジャンパー構
造。
3. The flexible printed circuit board jumper structure according to claim 1, wherein the flexible printed circuit board is stacked on a bus bar or a single-core circuit housed in an electric connection box or on an upper surface of the printed circuit board.
JP22481597A 1997-08-21 1997-08-21 Jumper structure of flexible printed circuit board Expired - Fee Related JP3363075B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22481597A JP3363075B2 (en) 1997-08-21 1997-08-21 Jumper structure of flexible printed circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22481597A JP3363075B2 (en) 1997-08-21 1997-08-21 Jumper structure of flexible printed circuit board

Publications (2)

Publication Number Publication Date
JPH1167304A true JPH1167304A (en) 1999-03-09
JP3363075B2 JP3363075B2 (en) 2003-01-07

Family

ID=16819641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22481597A Expired - Fee Related JP3363075B2 (en) 1997-08-21 1997-08-21 Jumper structure of flexible printed circuit board

Country Status (1)

Country Link
JP (1) JP3363075B2 (en)

Also Published As

Publication number Publication date
JP3363075B2 (en) 2003-01-07

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