JPS60182791A - Printed circuit board - Google Patents
Printed circuit boardInfo
- Publication number
- JPS60182791A JPS60182791A JP3753584A JP3753584A JPS60182791A JP S60182791 A JPS60182791 A JP S60182791A JP 3753584 A JP3753584 A JP 3753584A JP 3753584 A JP3753584 A JP 3753584A JP S60182791 A JPS60182791 A JP S60182791A
- Authority
- JP
- Japan
- Prior art keywords
- printed wiring
- component mounting
- wiring board
- land
- circuit pattern
- 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
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Structure Of Printed Boards (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 〔発明の技術分野〕 本発明は、印刷配線板の改良に関する。[Detailed description of the invention] [Technical field of invention] The present invention relates to improvements in printed wiring boards.
周知の如く、印刷配線板の設計を行なう場合。 As is well known, when designing printed wiring boards.
始めに論理回路に基づき部品の配置を検討してレイアウ
トを作成する。First, consider the placement of parts based on the logic circuit and create a layout.
従来、こうしてレイアラトナ経て作られた印刷配線板と
しては、第１図に示すものが知られている。図中の１は
１例えば大きさ６００×３００ｗＡ程度の印刷配線基板
である。この基板１の長手方向には、コネクター等の部
品の部品実装用ランド２１＊２２が２．５４１ａ７１１
格子から外れて設けられている。これらランド２１．２
□間には、長さ６００Ｕ程度の長い回路ｉＪ？ターン３
・・・が夫々設けられている。Conventionally, the one shown in FIG. 1 has been known as a printed wiring board produced by such a layout process. 1 in the figure is a printed wiring board having a size of, for example, 600×300 wA. In the longitudinal direction of this board 1, there are 2.541a711 lands 21*22 for mounting parts such as connectors.
It is set off the grid. These lands 21.2
□In between, there is a long circuit iJ? with a length of about 600U. turn 3
... are provided respectively.
こうした構造の印刷配線板において、自動検量ＰＩＡを
用いて前記回路・ヤターン３・・・やランド２□ 、２
２の短絡や断切れを検量する場合は。In a printed wiring board with such a structure, using an automatic calibration PIA,
When measuring the short circuit or disconnection of 2.
第１図の点線内の領域４を走査することにより行なう。This is done by scanning the region 4 within the dotted line in FIG.
しかしながら、従来の印刷配線板によれば。 However, according to the conventional printed wiring board.
回路パターン３・・・が、自動検査機の食走馳囲の限界
値（約３００Ｘ３００ｉｉ）からはみでるほど長いため
、第１図の２つの点線内の領域４゜４ｙａ１′検査して
も前記回路パターン３・・・ランド２１＊２！が自動検
Ｒａｆｔにかかわらず、品質低下をもたらすという欠点
を有する。Circuit pattern 3... is so long that it exceeds the limit value of the food intake area of the automatic inspection machine (approximately 300x300ii), so even if the area 4°4ya1' within the two dotted lines in Fig. 1 is inspected, the circuit pattern is 3...Land 21*2! However, regardless of the automatic inspection Raft, it has the disadvantage of causing quality deterioration.
本発明は上記事情に鑑みてなされたもので。 The present invention has been made in view of the above circumstances.
長い回路ノ４ターン等の短絡、断切れを自動検査機によ
り確実に検査でき１品質向上をなし得る印刷配線板を提
供することを目的とするものである。It is an object of the present invention to provide a printed wiring board that can reliably inspect short circuits and breaks in four turns of a long circuit using an automatic inspection machine, thereby improving quality.
本発明は、印刷配線基板と、この基板に２．５４社格子
から外れて設けられ長い回路パターンで接続された実装
用ランドと、同基板の前記部品実装用ランド間に格子状
でかつ前記回路・やターンに接続して設けられた補助ラ
ンドとから構成することによって、長い回路パターン、
部品実装用ランドの短絡、断切れを自動検査機で確実に
検査でき１品質向上を図ったものである。The present invention provides a printed wiring board, a mounting land provided on the board apart from the 2.54 company grid and connected by a long circuit pattern, and a grid-like circuit between the component mounting lands of the board.・A long circuit pattern,
An automatic inspection machine can reliably inspect the land for component mounting for short circuits and breaks, thereby improving quality.
以下１本発明の一実施例￥第２図を参照して説明する。 An embodiment of the present invention will be described below with reference to FIG.
なお、第１図の部材と同部杓と同符号を付して説明する
。In addition, the same parts as the members in FIG. 1 will be described with the same reference numerals.
図中の１１・・・は、印刷配線基板１の部品実装用ラン
ド’１＊２１間に格子状でかつ回路パターン３・・・に
接続して設けられた補助ランドである。これら補助ラン
ド１ノは部品実装用ランド２１５２Ｍから３００ｕ程度
内の距離に設けられ１部品は挿入しないようになってい
る。11 in the figure are auxiliary lands provided in a grid pattern between the component mounting lands '1*21 of the printed wiring board 1 and connected to the circuit patterns 3.... These auxiliary lands 1 are provided at a distance of about 300 u from the component mounting land 2152M so that no component is inserted therein.
しかして１本発明によれば、印刷配線基板１の部品実装
用ランド２１ ．２ノ間に部品非挿入用の補助ランド１
１・・・が格子状でかつ回路パターン３・・・に接続し
て設Ｃすられた構造となっているため、自動検査機で回
路ノぐターン３・・・や部品実装用ランド２□ 、２２
を検査する際、補助ランド１ノ・・・を含む部品実装用
ランド２１・・・（又は２２・・・）を含む領域１２（
又は領域１３）を夫々検量することができる。したがっ
て１回路パターン３・・・や部品実装用ランド２１ｅＪ
！を自動検査機により検査でき１品質の向上を図ること
ができる。According to the present invention, component mounting lands 21 . Auxiliary land 1 for not inserting parts between 2 holes
1... has a grid-like structure and is connected to the circuit pattern 3..., so an automatic inspection machine can check the circuit pattern 3... and component mounting land 2□. , 22
When inspecting the area 12 (including the component mounting land 21... (or 22...) including the auxiliary land 1...
Or region 13) can be calibrated respectively. Therefore, 1 circuit pattern 3... and component mounting land 21eJ
! can be inspected using an automatic inspection machine, thereby improving quality.
なお、上記実施例では、補助ランドが部品実装用ランド
から３００−程度の距離に設けられた場合について述べ
たが、これに限定されない。In the above embodiment, a case has been described in which the auxiliary land is provided at a distance of about 300 mm from the component mounting land, but the present invention is not limited to this.
以上詳述した如く本発明によれば１品質向上をなし得る
信頼性の高い印刷配線板を提供できるものである。As described in detail above, according to the present invention, it is possible to provide a highly reliable printed wiring board with improved quality.
第１図は従来の印刷配線板の半面図、第２図は本発明の
一実施例に係る印刷配線板の半面図である。
１・・・印刷配線基板＊ ２１ｓ２２ ・・・部品実装
用ランド、３・・・回路パターン、１１・・・補助ラン
ド。
１２．１３・・・領域。
出願人代理人 弁理士 鈴 江 武 豚箱１図
第２図
２１３FIG. 1 is a half-view of a conventional printed wiring board, and FIG. 2 is a half-view of a printed wiring board according to an embodiment of the present invention. 1... Printed wiring board* 21s22... Land for component mounting, 3... Circuit pattern, 11... Auxiliary land. 12.13...Area. Applicant's representative Patent attorney Takeshi Suzue Pig box Figure 1 Figure 2 213
Claims (1)
ら外れて設けられ、長い回路パターンで接続された部品
実装用ランドと、同基板の前記部品実装用ランド間に格
子状でかつ前記回路パターンに接続して設けられた補助
ランドとを具備することを特徴とする印刷配線板。A printed wiring board, a component mounting land provided on this board apart from the 2.54 watt grid and connected by a long circuit pattern, and a component mounting land provided in a grid pattern between the component mounting lands of the board and connected to the circuit pattern. A printed wiring board characterized by comprising an auxiliary land connected thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3753584A JPS60182791A (en) | 1984-02-29 | 1984-02-29 | Printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3753584A JPS60182791A (en) | 1984-02-29 | 1984-02-29 | Printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60182791A true JPS60182791A (en) | 1985-09-18 |
Family
ID=12500215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3753584A Pending JPS60182791A (en) | 1984-02-29 | 1984-02-29 | Printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60182791A (en) |
-
1984
- 1984-02-29 JP JP3753584A patent/JPS60182791A/en active Pending
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