JPH0846310A - Flexible wiring board - Google Patents
Flexible wiring boardInfo
- Publication number
- JPH0846310A JPH0846310A JP18340794A JP18340794A JPH0846310A JP H0846310 A JPH0846310 A JP H0846310A JP 18340794 A JP18340794 A JP 18340794A JP 18340794 A JP18340794 A JP 18340794A JP H0846310 A JPH0846310 A JP H0846310A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- lead wire
- connection
- connection terminal
- boundary
- 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
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
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/117—Pads along the edge of rigid circuit boards, e.g. for pluggable connectors
-
- 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
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
Landscapes
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
- Structure Of Printed Boards (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は接続部に補強板等を必要
としない安価な構造とした可撓性を有する配線基板に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flexible wiring board having an inexpensive structure which does not require a reinforcing plate or the like at a connecting portion.
【０００２】[0002]
【従来の技術】従来、可撓性を有する配線基板（以下Ｆ
ＰＣと略す）とコネクタあるいは、他の配線基板と電気
的接続を行なったり、ＦＰＣ同士を重ね合わせて電気的
接続を行う場合、接続部の端子配列ピッチを、引き出し
配線部の配線パターンの配列ピッチよりも大きく設定
し、接続端子１ケ所にあたり面積を増やして、接続の信
頼性を向上させている。また、限られたスペースの中
で、できるだけ多数の端子を配列させるために、これら
端子を２列以上の複数配列とし、限られた幅の中に多数
の端子を配列させている。2. Description of the Related Art Conventionally, a flexible wiring board (hereinafter referred to as F
When abbreviated as PC) and a connector or other wiring board is electrically connected, or when FPCs are overlapped and electrically connected to each other, the terminal arrangement pitch of the connection portion is the arrangement pitch of the wiring pattern of the extraction wiring portion. The connection area is increased by increasing the area of each connection terminal to improve the reliability of connection. Also, in order to arrange as many terminals as possible in a limited space, these terminals are arranged in a plurality of two or more rows, and a large number of terminals are arranged within a limited width.
【０００３】このような従来のＦＰＣの接続構造は図
５、図６の如くなっている。The connection structure of such a conventional FPC is as shown in FIGS.
【０００４】図５において、１はＦＰＣ本体、２は配線
パターン、３はカバーフィルムである。配線パターン２
は境界端部３ａから根元側にかけてカバーフィルム３に
より被覆された被覆部３ｂとなっており、境界端部３ａ
から先端側は、電気接続部であるところの端子露出部４
となっている。この配線パターン２の接続部側の一端側
はその幅を広げて形成されている。In FIG. 5, 1 is an FPC body, 2 is a wiring pattern, and 3 is a cover film. Wiring pattern 2
Is a covering portion 3b covered with the cover film 3 from the boundary end 3a to the root side.
From the tip side to the terminal exposed portion 4 which is an electrical connection portion
Has become. The width of one end of the wiring pattern 2 on the side of the connection portion is increased.
【０００５】５は、連結のために端子露出部４から延出
された連結配線部である。Reference numeral 5 is a connection wiring portion extended from the terminal exposed portion 4 for connection.
【０００６】また、配線パターン２の端子露出部４には
引き出し配線部５の配線パターンの配線方向と直交する
方向に配列され被覆の先端側端子２ａと根元側端子２ｂ
が２列に形成されている。ここで配線パターン２の端子
露出部４は、図中左側から順次２ａ側、２ｂ側、２ａ
側、２ｂ側…と交互にそれぞれの端子列に割りあてられ
ている。Further, in the terminal exposed portion 4 of the wiring pattern 2, the leading end side terminal 2a and the root side terminal 2b of the lead wiring section 5 are arranged in a direction orthogonal to the wiring direction of the wiring pattern.
Are formed in two rows. Here, the terminal exposed portion 4 of the wiring pattern 2 is sequentially arranged from the left side in the drawing to the 2a side, 2b side, 2a side.
, 2b side ... Alternately assigned to each terminal row.
【０００７】２ｃは、先端側接続端子２ａから延出さ
れ、根元側接続端子２ｂの隣接する端子同士に挟まれる
領域における引き出し線である。Reference numeral 2c is a lead wire extending from the tip side connecting terminal 2a and in a region sandwiched between adjacent terminals of the root side connecting terminal 2b.
【０００８】また、Ｄは、電気接続部即ち端子露出部４
の幅を示している。Further, D is an electrical connection portion, that is, a terminal exposed portion 4
Shows the width of.
【０００９】Ｐ１は、配線パターン幅であり、通常、回
路内の最小線幅で構成し高密度化を図っている。Ｐ２は
端子列２ａもしくは２ｂの端子幅である。端子幅Ｐ２
は、接続の信頼性を保つために、できるだけ広く設定し
た方が好ましい。一方、引き出し線２ｃの線幅は、端子
露出部４の幅Ｄが限られた大きさであるためできるだけ
細く、即ち回路内の最小線幅で構成されている。P1 is a wiring pattern width, which is usually constituted by the minimum line width in the circuit to achieve high density. P2 is the terminal width of the terminal row 2a or 2b. Terminal width P2
Is preferably set as wide as possible in order to maintain the reliability of the connection. On the other hand, the line width of the lead wire 2c is as thin as possible because the width D of the terminal exposed portion 4 is limited, that is, it is configured to be the minimum line width in the circuit.
【００１０】ｄは、先端側端子列２ａから延出された引
き出し線２ｃと根元側端子列２ｂの端子との間に生じる
隔間である。Reference numeral d is a gap generated between the lead wire 2c extending from the tip side terminal row 2a and the terminal of the root side terminal row 2b.
【００１１】図６で６は補強板であり、端子露出部４を
裏面側から補強している。In FIG. 6, reference numeral 6 denotes a reinforcing plate, which reinforces the exposed terminal portion 4 from the back surface side.
【００１２】そして、上述したＦＰＣ１はＦＰＣ用コネ
クター８に挿入されて、回路基板と電気的に接続され
る。The FPC 1 described above is inserted into the FPC connector 8 and electrically connected to the circuit board.
【００１３】[0013]
【発明が解決しようとしている課題】しかしながら、上
述従来例では、ＦＰＣ１の端子露出部４を補強するため
に補強板がＦＰＣとは別部材で張り付けられているが、
ＦＰＣの製造工程と別工程を要するためコスト高になっ
ていた。また、端子露出部は、カバーフィルムの境界４
ａ付近で、ＦＰＣ製造時に応力集中が起こり易く、特に
先端側の接続端子から延出される引き出し線の断線等を
誘発していた。However, in the above-mentioned conventional example, the reinforcing plate is attached by a member different from the FPC in order to reinforce the terminal exposed portion 4 of the FPC 1.
Since the manufacturing process of the FPC is different from the manufacturing process, the cost is high. In addition, the exposed terminals are at the boundary 4 of the cover film.
In the vicinity of “a”, stress concentration is likely to occur at the time of manufacturing the FPC, and in particular, disconnection of the lead wire extended from the connection terminal on the tip side was induced.
【００１４】従って、不用意に補強板をはずしてしまう
と、図４に示すようにＦＰＣが撓んでしまい、簡単に断
線が引き起こされてしまうことになる。Therefore, if the reinforcing plate is inadvertently removed, the FPC bends as shown in FIG. 4 and the wire breakage is easily caused.
【００１５】本発明の目的は上記欠点を解決しようとす
るもので、接続部に補強板等を必要としない可撓性を有
する配線基板で、接続端子露出部と被覆部との境界付近
で発生する引き出し線の断線を防止しようとするもので
ある。It is an object of the present invention to solve the above-mentioned drawbacks, and it occurs in the vicinity of the boundary between the exposed portion of the connecting terminal and the covering portion in a flexible wiring board which does not require a reinforcing plate or the like at the connecting portion. It is intended to prevent disconnection of the lead line.
【００１６】[0016]
【課題を解決するための手段】かかる目的を達成するた
めに本発明は、電気接続部と引き出し配線部を備えた可
撓性を有する配線基板であって、前記電気接続部には複
数の接続用端子が設けられており、該接続用端子は前記
引き出し配線部の配線パターンの延在方向と直交する方
向に配列され、少なくとも先端側と根元側の２つの接続
端子列を構成し、先端側の接続端子列の各々の接続端子
から延出されて、根元側の接続端子列の各々の隣接する
端子同士に挟まれた領域を通過する時の引き出し線の幅
をＷ１、該先端側接続端子から延出された引き出し線が
接続端子露出部と被覆部との境界上を通過する時の線幅
をＷ２、前記境界上であって、先端側端子の引き出し線
とこれに隣接する根元側端子、もしくは該根元側端子か
らの引き出し線の間に生じる隙間をｄとする時、 Ｗ２＞Ｗ１ かつ Ｗ２＞ｄ の関係とするものである。In order to achieve such an object, the present invention is a flexible wiring board having an electrical connection portion and a lead-out wiring portion, wherein the electrical connection portion has a plurality of connections. Connection terminals are provided, the connection terminals are arranged in a direction orthogonal to the extending direction of the wiring pattern of the lead-out wiring portion, and at least two connection terminal rows on the tip side and the root side are formed. The width of the lead wire extending from each connection terminal of the connection terminal row and passing through a region sandwiched between adjacent terminals of the connection terminal row on the root side is W1, and the tip side connection terminal is The width of the lead wire extending from the connection terminal when passing over the boundary between the exposed portion of the connection terminal and the covering portion is W2, and the lead wire of the tip side terminal on the boundary and the root side terminal adjacent to the lead wire Or, of the lead wire from the root side terminal When a gap generated is d, it is an relation of W2> W1 and W2> d.
【００１７】また、本発明は、先端側端子からの引き出
し線幅は、接続端子露出部と被覆部との境界上におい
て、接続端子露出部から被覆部に向かって徐々に増加す
るとともに、根元側端子もしくは該根元側端子から延出
される引き出し線の線幅は、前記境界上において、接続
端子露出部から被覆部に向かって徐々に減少するもので
ある。Further, according to the present invention, the width of the lead line from the terminal on the tip side gradually increases from the exposed portion of the connecting terminal to the covering portion on the boundary between the exposed portion of the connecting terminal and the covering portion, and at the base side. The line width of the lead wire extending from the terminal or the root-side terminal gradually decreases from the exposed portion of the connection terminal toward the covered portion on the boundary.
【００１８】[0018]
【実施例】以下本発明の第１の実施例を図１を参照して
説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIG.
【００１９】図１においては、１は接続に用いるための
可撓性を有する配線基板であるＦＰＣ本体、２は配線パ
ターン、３はカバーフィルムである。配線パターン２は
境界端部３ａから根元側にかけてカバーフィルム３によ
り被覆された被覆部３ｂとなっており、境界端部３ａか
ら先端側は、電気接続部であるところの端子露出部４と
なっている。この配線パターン２の接続部側の一端側は
その幅を広げて形成されている。５は連結のために端子
露出部４から延出された連絡配線部である。In FIG. 1, reference numeral 1 is an FPC body which is a flexible wiring board used for connection, 2 is a wiring pattern, and 3 is a cover film. The wiring pattern 2 is a covering portion 3b covered with a cover film 3 from the boundary end portion 3a to the root side, and the boundary end portion 3a to the tip end side is a terminal exposed portion 4 which is an electrical connection portion. There is. The width of one end of the wiring pattern 2 on the side of the connection portion is increased. Reference numeral 5 is a connecting wiring portion extended from the terminal exposed portion 4 for connection.
【００２０】また、配線パターン２の端子露出部４には
引き出し配線部５の配線パターンの配線方向と直交する
方向に配列された複数の先端側端子２ａと複数の根元側
端子２ｂが２列に形成されている。ここで配線パターン
２の端子露出部４は、図中左側から順次２ａ側、２ｂ
側、２ａ側、２ｂ側…と交互にそれぞれの端子列に割り
あてられている。Further, in the terminal exposed portion 4 of the wiring pattern 2, a plurality of tip side terminals 2a and a plurality of root side terminals 2b arranged in a direction orthogonal to the wiring direction of the wiring pattern of the lead-out wiring section 5 are arranged in two rows. Has been formed. Here, the terminal exposed portion 4 of the wiring pattern 2 is sequentially arranged from the left side in the drawing to the 2a side and 2b side.
Side, 2a side, 2b side, ... Are alternately assigned to the respective terminal rows.
【００２１】２ｃは、先端側接続端子２ａから延出さ
れ、根元側接続端子２ｂの隣接する端子同士に挟まれる
領域における引き出し線である。Reference numeral 2c is a lead wire extending from the tip side connecting terminal 2a and in a region sandwiched between adjacent terminals of the root side connecting terminal 2b.
【００２２】またＤは、電気接続部即ち端子露出部４の
幅を示している。Further, D indicates the width of the electrical connection portion, that is, the exposed terminal portion 4.
【００２３】ここでｗ１は、先端側の接続端子２ａの各
々の接続端子から延出された引き出し線が根元側接続端
子２ｂの各々の隣接する端子同士に挟まれた領域を通過
するときの線幅である。ｗ２は先端側の接続端子２ａの
各々の接続端子から延出された引き出し線が、端子露出
部４と被覆部３ｂとの境界上を通過するときの線幅であ
る。また、ｄは前記境界上における先端側端子からの引
き出し線とこれに隣接する根元側の接続端子もしくは根
元側の接続端子からの引き出し線との間に生じるすき間
である。Here, w1 is a line when a lead wire extending from each connection terminal of the tip-side connection terminal 2a passes through a region between adjacent terminals of the root-side connection terminal 2b. Width. w2 is the line width when the lead wire extending from each connection terminal of the connection terminals 2a on the tip side passes on the boundary between the terminal exposed portion 4 and the covering portion 3b. Further, d is a gap formed on the boundary between the lead-out line from the tip-side terminal and the adjacent root-side connection terminal or the lead-out line from the root-side connection terminal.
【００２４】このときｗ１、ｗ２およびｄの関係は、 ｗ２＞ｗ１ かつ ｗ２＞ｄ の関係になっている。At this time, the relationship between w1, w2 and d is such that w2> w1 and w2> d.
【００２５】更に、本実施例ではｗ２≒ｗ３の関係にな
っている。Further, in this embodiment, the relationship of w2≈w3 is established.
【００２６】このように、接続端子露出部４と被覆部３
ｂとの境界３ａの近傍において、先端側の接続端子２ａ
から延出される引き出し線の線幅を広く、かつ根元側の
接続端子２ｂから延出される引き出し線の線幅を狭くす
ることで、それぞれの接続端子２ａ、２ｂから延出され
る引き出し線の線幅を均一化させている。In this way, the connection terminal exposed portion 4 and the covering portion 3 are
In the vicinity of the boundary 3a with b, the connection terminal 2a on the tip side
The width of the lead wire extended from the connection terminals 2a and 2b is widened by narrowing the width of the lead wire extended from the root-side connection terminal 2b. Are made uniform.
【００２７】（他の実施例）次に本発明の第２の実施例
を図２により説明する。(Other Embodiments) Next, a second embodiment of the present invention will be described with reference to FIG.
【００２８】図２において番号１から５までの説明は、
第１の実施例の説明と共通なので省略する。The explanation of the numbers 1 to 5 in FIG.
Since it is common with the description of the first embodiment, the description thereof will be omitted.
【００２９】図２において、先端側の接続端子２ａから
延出された引き出し線の線幅は接続端子露出部４と被覆
部３ｂとの境界３ａ上において、接続端子露出部４から
被覆部３ｂに向かって徐々に増加している。また逆に根
元側の接続端子２ｂもしくは根元側の接続端子２ｂから
延出された引き出し線の線幅は、接続端子露出部４と被
覆部３ｂとの境界３ａ上において、接続端子露出部４か
ら被覆部３ｂに向かって徐々に減少している。このよう
に、接続端子露出部４と被覆部３ｂとの境界３ａ近傍に
おいて接続端子２ａ、２ｂからの引き出し線の線幅を極
端に変化させずに先端側の接続端子２ａから延出される
引き出し線の線幅を広く、かつ根元側の接続端子２ｂか
ら延出される引き出し線の線幅を狭くすることで、それ
ぞれの接続端子２ａ、２ｂから延出される引き出し線の
線幅を均一化させている。In FIG. 2, the line width of the lead wire extended from the connection terminal 2a on the tip side is from the connection terminal exposed portion 4 to the coating portion 3b on the boundary 3a between the connection terminal exposed portion 4 and the coating portion 3b. It is gradually increasing toward. On the contrary, the line width of the connection terminal 2b on the root side or the lead wire extended from the connection terminal 2b on the root side is larger than the connection terminal exposed portion 4 on the boundary 3a between the connection terminal exposed portion 4 and the covering portion 3b. It gradually decreases toward the covering portion 3b. In this way, in the vicinity of the boundary 3a between the exposed portion 4 of the connection terminal and the covering portion 3b, the lead wire extended from the connection terminal 2a on the front end side without extremely changing the line width of the lead wire from the connection terminals 2a and 2b. Of the lead wires extending from the connection terminals 2a and 2b on the base side are made narrower, and the line width of the lead wires extending from the connection terminals 2a and 2b are made uniform. .
【００３０】なお、図３及び図４は一般的なＦＰＣの接
続を表わしており、７は回路基板である。８はＦＰＣ用
のコネクターであり回路基板７上に実装されている。3 and 4 show the connection of a general FPC, and 7 is a circuit board. A FPC connector 8 is mounted on the circuit board 7.
【００３１】上述したＦＰＣ１は、ＦＰＣ用コネクター
８に挿入されると、コネクター８の不図示の接続端子と
接触し、ＦＰＣ１の接続端子列２ａの端子は、コネクタ
ー８の接続リード８ａ、接続端子列２ｂの端子は、コネ
クター８の接続リード８ｂとそれぞれ電気的な接続が行
なわれ、回路基板７と電気的に接続されることになる。When the FPC 1 described above is inserted into the FPC connector 8, it contacts the connection terminals (not shown) of the connector 8, and the terminals of the connection terminal row 2a of the FPC 1 are the connection leads 8a of the connector 8 and the connection terminal row. The terminals 2b are electrically connected to the connection leads 8b of the connector 8, respectively, and are electrically connected to the circuit board 7.
【００３２】また図４はコネクター８に挿入されるＦＰ
Ｃ自体が可撓性を有するため、ＦＰＣが２点鎖線で示す
如く撓む様子を表わしている。FIG. 4 shows an FP inserted in the connector 8.
Since C itself has flexibility, the FPC bends as shown by the chain double-dashed line.
【００３３】以上に第１、第２の実施例で示したＦＰＣ
１は、その端子露出部４の裏面側で図６の従来のような
補強板６の補強を必要としたものである。The FPC shown in the first and second embodiments above
No. 1 requires the reinforcement of the reinforcing plate 6 as in the conventional case of FIG. 6 on the back surface side of the exposed terminal portion 4.
【００３４】[0034]
【発明の効果】以上説明したように本発明によれば、接
続端子露出部と被覆部との境界上において、先端側の接
続端子からの引き出し線をＦＰＣ内の最小幅よりも広く
構成しているため断線に対する強度を増すことができ
る。従って補強板などを必要としない安価なＦＰＣを用
いることができる。As described above, according to the present invention, the lead wire from the connecting terminal on the tip end side is configured to be wider than the minimum width in the FPC on the boundary between the connecting terminal exposed portion and the covering portion. As a result, the strength against disconnection can be increased. Therefore, an inexpensive FPC that does not require a reinforcing plate or the like can be used.
【００３５】また、電気接続部の先端側と根元側のそれ
ぞれの接続端子から延出される引き出し線の線幅は、接
続端子露出部と被覆部との境界上において、徐々に変化
させているため、それぞれの接続端子から延出される引
き出し線に加わる応力を分散かつ均一化させることがで
きる。従って、繰り返しの屈曲に対しても、断線のしに
くい構造とすることができるため、補強板などを必要と
しない安価なＦＰＣを用いることができる。Further, the line width of the lead wire extending from each of the connection terminals on the tip side and the root side of the electric connection portion is gradually changed on the boundary between the connection terminal exposed portion and the covering portion. The stress applied to the lead wire extending from each connection terminal can be dispersed and made uniform. Therefore, it is possible to use a cheap FPC that does not require a reinforcing plate or the like because it is possible to have a structure that does not easily break even with repeated bending.
【図１】本発明の第１の実施例を示す可撓性を有する配
線基板の図である。FIG. 1 is a diagram of a flexible wiring board showing a first embodiment of the present invention.
【図２】本発明の第２の実施例を示す可撓性を有する配
線基板の図である。FIG. 2 is a diagram of a flexible wiring board showing a second embodiment of the present invention.
【図３】可撓性を有する配線基板が回路基板のコネクタ
ーに接続された状態を示す図である。FIG. 3 is a diagram showing a state in which a flexible wiring board is connected to a connector of a circuit board.
【図４】回路基板のコネクターに接続された図３の可撓
性を有する配線基板の側面図である。4 is a side view of the flexible wiring board of FIG. 3 connected to a connector of a circuit board.
【図５】従来の可撓性を有する配線基板の図である。FIG. 5 is a view of a conventional flexible wiring board.
【図６】図５の可撓性を有する配線基板の側面図であ
る。6 is a side view of the flexible wiring board of FIG.
１ 可撓性を有する配線基板（ＦＰＣ） ２ 配線パターン ２ａ 先端側接続端子 ２ｂ 根元側接続端子 ２ｃ 引き出し線 ３ カバーフィルム ３ａ 境界端部 ３ｂ 被覆部 ４ 端子露出部 ５ 引き出し配線部 ６ 補強板 ７ 回路基板 ８ コネクター DESCRIPTION OF SYMBOLS 1 Flexible wiring board (FPC) 2 Wiring pattern 2a Tip side connection terminal 2b Root side connection terminal 2c Lead wire 3 Cover film 3a Boundary end portion 3b Cover portion 4 Terminal exposed portion 5 Lead wiring portion 6 Reinforcing plate 7 Circuit Board 8 connector
Claims (3)
撓性を有する配線基板であって、前記電気接続部には複
数の接続用端子が設けられており、該接続用端子は前記
引き出し配線部の配線パターンの延在方向と直交する方
向に配列され、少なくとも先端側と根元側の２つの接続
端子列を構成し、先端側の接続端子列の各々の接続端子
から延出されて、根元側の接続端子列の各々の隣接する
端子同士に挟まれた領域を通過する時の引き出し線の幅
をＷ１、該先端側接続端子から延出された引き出し線が
接続端子露出部と被覆部との境界上を通過する時の線幅
をＷ２、前記境界上であって、先端側端子の引き出し線
とこれに隣接する根元側端子、もしくは該根元側端子か
らの引き出し線の間に生じる隙間をｄとする時、 Ｗ２＞Ｗ１ かつ Ｗ２＞ｄ の関係であることを特徴とする可撓性を有する配線基
板。1. A flexible wiring board having an electrical connection portion and a lead-out wiring portion, wherein the electrical connection portion is provided with a plurality of connection terminals, and the connection terminals are the lead-out portions. Arranged in a direction orthogonal to the extending direction of the wiring pattern of the wiring portion, forming at least two connection terminal rows on the tip side and the root side, and extending from each connection terminal of the connection terminal row on the tip side, The width of the lead wire when passing through the region sandwiched between adjacent terminals of the connection terminal row on the root side is W1, and the lead wire extended from the tip side connection terminal is the connection terminal exposed portion and the covering portion. W2 when passing on the boundary between the lead wire and the lead wire of the tip side terminal on the boundary and the root side terminal adjacent to the lead wire, or a gap formed between the lead wire from the root side terminal Let d be W2> W1 and W2> d A flexible wiring board having the following relationship.
における根元側端子もしくは該根元側端子からの引き出
し線の幅をＷ３とする時 Ｗ２≒Ｗ３ の関係であることを特徴とする請求項１に記載の可撓性
を有する配線基板。2. When the width of the root side terminal or the lead wire from the root side terminal on the boundary between the exposed portion of the connection terminal and the covering portion is W3, the relation W2≈W3 is satisfied. Item 2. A flexible wiring board according to item 1.
前記接続端子露出部と被覆部との境界上において、接続
端子露出部から被覆部に向かって徐々に増加するととも
に、根元側端子もしくは該根元側端子から延出される引
き出し線の線幅は、前記境界上において、接続端子露出
部から被覆部に向かって徐々に減少することを特徴とす
る請求項１に記載の可撓性を有する配線基板。3. The width of the lead line from the tip side terminal is
On the boundary between the connection terminal exposed portion and the covering portion, the line width of the lead wire extending gradually from the connection terminal exposed portion toward the covering portion and extending from the root side terminal or the root side terminal is The flexible wiring board according to claim 1, wherein the wiring board gradually decreases from the exposed portion of the connection terminal toward the cover portion on the boundary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18340794A JPH0846310A (en) | 1994-08-04 | 1994-08-04 | Flexible wiring board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18340794A JPH0846310A (en) | 1994-08-04 | 1994-08-04 | Flexible wiring board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0846310A true JPH0846310A (en) | 1996-02-16 |
Family
ID=16135245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18340794A Pending JPH0846310A (en) | 1994-08-04 | 1994-08-04 | Flexible wiring board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0846310A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100737590B1 (en) * | 2005-05-30 | 2007-07-10 | 엘지전자 주식회사 | Tab tape for use in tape carrier package |
| US20100212938A1 (en) * | 2009-02-26 | 2010-08-26 | Fujitsu Limited | Flexible printed board |
| JP2015046524A (en) * | 2013-08-29 | 2015-03-12 | 日本精機株式会社 | Flexible printed circuit board |
-
1994
- 1994-08-04 JP JP18340794A patent/JPH0846310A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100737590B1 (en) * | 2005-05-30 | 2007-07-10 | 엘지전자 주식회사 | Tab tape for use in tape carrier package |
| US20100212938A1 (en) * | 2009-02-26 | 2010-08-26 | Fujitsu Limited | Flexible printed board |
| US8269114B2 (en) | 2009-02-26 | 2012-09-18 | Fujitsu Limited | Flexible printed board |
| US20120312586A1 (en) * | 2009-02-26 | 2012-12-13 | Fujitsu Limited | Flexible printed board |
| US9295155B2 (en) | 2009-02-26 | 2016-03-22 | Fujitsu Limited | Flexible printed board |
| JP2015046524A (en) * | 2013-08-29 | 2015-03-12 | 日本精機株式会社 | Flexible printed circuit board |
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