JPS618U - Printed wiring board misalignment detection device - Google Patents

Printed wiring board misalignment detection device

Info

Publication number
JPS618U
JPS618U JP8456484U JP8456484U JPS618U JP S618 U JPS618 U JP S618U JP 8456484 U JP8456484 U JP 8456484U JP 8456484 U JP8456484 U JP 8456484U JP S618 U JPS618 U JP S618U
Authority
JP
Japan
Prior art keywords
printed wiring
wiring board
scanning direction
detection device
imaging means
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
JP8456484U
Other languages
Japanese (ja)
Other versions
JPH0244161Y2 (en
Inventor
英二 児玉
鐵雄 佐野
哲夫 法貴
久幸 辻中
Original Assignee
大日本スクリ−ン製造株式会社
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 大日本スクリ−ン製造株式会社 filed Critical 大日本スクリ−ン製造株式会社
Priority to JP8456484U priority Critical patent/JPS618U/en
Publication of JPS618U publication Critical patent/JPS618U/en
Application granted granted Critical
Publication of JPH0244161Y2 publication Critical patent/JPH0244161Y2/ja
Granted legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の原理の説明図、第２図は本考案の実施
例に係るプロＹク図、第３図は好ましい実施例における
プリント配線板と撮像系との配置を示す図解図である。 １ ａｔ １ ｂ＊ １ ｃｔ １ ｄ−−−−
−−円マーク、２．．．．．．検出エリア、３ｘｔ３ｙ
・曲・基準対称線、４・・・・・・ＰＷＢ （プリント
配線板）、７，３０・・・・・・撮像手段、８・・・・
・・２値化回路、９，１０・・・・・・アツプダウンカ
ウンタ、１１．１２・・・・・・アップ・ダウン切換え
タイミング発生回路。Fig. 1 is an explanatory diagram of the principle of the present invention, Fig. 2 is a schematic diagram of an embodiment of the invention, and Fig. 3 is an illustrative diagram showing the arrangement of a printed wiring board and an imaging system in a preferred embodiment. be. 1 at 1 b* 1 ct 1 d---
--Yen mark, 2. ．． ．． ．． ．． ．． Detection area, 3xt3y
・Curve/reference line of symmetry, 4...PWB (printed wiring board), 7, 30...imaging means, 8...
...Binarization circuit, 9,10...Up-down counter, 11.12...Up/down switching timing generation circuit.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）同種のプリント配線板相互のパターン情報を照合
できるように、プリント配障板検査システムに規定した
基準座標からのずれを検出するための装置であって、 プリント配線板の配線パターンに対し２一定の位置関係
にあり、直交する２本の直線に対称であるマークを、主
走査方向次いで副走査方向に順次に走査して撮像信号を
出力する撮像手段と、 前記撮像手段からの撮像信号を２値化する２値化手段と
、 前記２値化手段から出力される前記マークに係る画素信
号の個数を主走査方向と副走査方向のそれぞれについて
カウントするアツプダウンカウンタと、 主走査方向と副走査方向それぞれの基準対称線の位置で
前記アツプダ］ウンカウンタのアップ・ダウンを切換え
制御するアップ・ダウン切換手段とを備え、前記アツプ
ダウンカウンタのそれぞれの積算値に基づいてずれ量を
求めるようにしたことを特徴とするプリント配線板の位
置ずれ検出装置。(1) A device for detecting deviations from reference coordinates specified in a printed wiring board inspection system so that pattern information of printed wiring boards of the same type can be compared; 2. Imaging means that outputs an image signal by sequentially scanning marks that are in a constant positional relationship and symmetrical about two orthogonal lines in the main scanning direction and then in the sub-scanning direction; and an image signal from the imaging means. an up-down counter that counts the number of pixel signals related to the mark outputted from the binarization means in each of the main scanning direction and the sub-scanning direction; up/down switching means for switching and controlling the up/down counters at the positions of the respective reference symmetry lines in the sub-scanning direction, and determining the amount of deviation based on the integrated values of the up/down counters. A positional deviation detection device for a printed wiring board, characterized in that: （２）撮像手段は、プリント配線板の配線パターンを撮
像する撮像手段と兼用されるものである実用新案登録請
求の範囲第（１）項記載のプリント配線板の位一ずれ検
出装置。(2) The misalignment detection device for a printed wiring board according to claim 1, wherein the imaging means is also used as an imaging means for imaging the wiring pattern of the printed wiring board. （３）対称なマークは円である実用新案登録請求の範囲
第（１）項記載のプリント配線板の位置ずれ検出装置。(3) The printed wiring board positional deviation detection device according to claim (1), wherein the symmetrical mark is a circle.
JP8456484U 1984-06-06 1984-06-06 Printed wiring board misalignment detection device Granted JPS618U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8456484U JPS618U (en) 1984-06-06 1984-06-06 Printed wiring board misalignment detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8456484U JPS618U (en) 1984-06-06 1984-06-06 Printed wiring board misalignment detection device

Publications (2)

Publication Number Publication Date
JPS618U true JPS618U (en) 1986-01-06
JPH0244161Y2 JPH0244161Y2 (en) 1990-11-22

Family

ID=30634186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8456484U Granted JPS618U (en) 1984-06-06 1984-06-06 Printed wiring board misalignment detection device

Country Status (1)

Country Link
JP (1) JPS618U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6457104A (en) * 1987-08-28 1989-03-03 Nikon Corp Measuring apparatus of amount of positional deviation of circular substrate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6457104A (en) * 1987-08-28 1989-03-03 Nikon Corp Measuring apparatus of amount of positional deviation of circular substrate

Also Published As

Publication number Publication date
JPH0244161Y2 (en) 1990-11-22

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