JPS618U - Printed wiring board misalignment detection device - Google Patents
Printed wiring board misalignment detection deviceInfo
- 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
Links
- 238000001514 detection method Methods 0.000 title claims description 5
- 238000003384 imaging method Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Length Measuring Devices By Optical Means (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
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)
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:
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.
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.
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)
| 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 |
-
1984
- 1984-06-06 JP JP8456484U patent/JPS618U/en active Granted
Cited By (1)
| 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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