JPH0457747U - - Google Patents
Info
- Publication number
- JPH0457747U JPH0457747U JP9993390U JP9993390U JPH0457747U JP H0457747 U JPH0457747 U JP H0457747U JP 9993390 U JP9993390 U JP 9993390U JP 9993390 U JP9993390 U JP 9993390U JP H0457747 U JPH0457747 U JP H0457747U
- Authority
- JP
- Japan
- Prior art keywords
- patterns
- printed wiring
- optical pattern
- pattern inspection
- small
- 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
- 238000007689 inspection Methods 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Structure Of Printed Boards (AREA)
Description
第１図は本考案の一実施例の平面図、第２図は
第１図の部分拡大図、第３図は欠陥パターン例を
示す図、第４図は従来のプリント配線板の部分拡
大図である。
２ａ，２ｂ……欠損パターン、４……断線、５
……欠損、６……回路パターン、１１……断線パ
ターン、１２……突起パターン、１３……過小巾
パターン、１４……回路間隔過小パターン、１５
……過小巾と回路間隔過小の組合せパターン。
Fig. 1 is a plan view of an embodiment of the present invention, Fig. 2 is a partially enlarged view of Fig. 1, Fig. 3 is a diagram showing an example of a defect pattern, and Fig. 4 is a partially enlarged view of a conventional printed wiring board. It is. 2a, 2b...missing pattern, 4...disconnection, 5
...Defect, 6... Circuit pattern, 11... Disconnection pattern, 12... Protrusion pattern, 13... Too small width pattern, 14... Too small circuit interval pattern, 15
...A combination pattern of too small width and too small circuit spacing.
Claims (1)
板において、光学式パターン検査範囲内で必要回
路パターン、部品実装上問題とならない部分に欠
損パターン、過小巾パターン、回路間隔過小パタ
ーン、突起パターン、断線パターンのいずれか単
体又は組合せのパターンを備えることを特徴とす
るプリント配線板。 In printed wiring boards that require optical pattern inspection, necessary circuit patterns, missing patterns, too small width patterns, too small circuit spacing patterns, protruding patterns, and disconnection patterns are detected within the optical pattern inspection range in areas that do not pose problems for component mounting. A printed wiring board characterized by being provided with any single pattern or a combination of patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9993390U JPH0457747U (en) | 1990-09-25 | 1990-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9993390U JPH0457747U (en) | 1990-09-25 | 1990-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0457747U true JPH0457747U (en) | 1992-05-18 |
Family
ID=31842214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9993390U Pending JPH0457747U (en) | 1990-09-25 | 1990-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0457747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011077208A (en) * | 2009-09-30 | 2011-04-14 | Casio Computer Co Ltd | Flexible wiring board |
-
1990
- 1990-09-25 JP JP9993390U patent/JPH0457747U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011077208A (en) * | 2009-09-30 | 2011-04-14 | Casio Computer Co Ltd | Flexible wiring board |