JPH025312B2 - - Google Patents
Info
- Publication number
- JPH025312B2 JPH025312B2 JP13203181A JP13203181A JPH025312B2 JP H025312 B2 JPH025312 B2 JP H025312B2 JP 13203181 A JP13203181 A JP 13203181A JP 13203181 A JP13203181 A JP 13203181A JP H025312 B2 JPH025312 B2 JP H025312B2
- Authority
- JP
- Japan
- Prior art keywords
- wiring board
- printed wiring
- light
- wiring pattern
- reflected light
- 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.)
- Expired
Links
- 230000007547 defect Effects 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 19
- 238000007689 inspection Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- 230000001678 irradiating effect Effects 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000002845 discoloration Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13203181A JPS5833890A (ja) | 1981-08-24 | 1981-08-24 | 印刷配線板の回路パタ−ン検査方法および装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13203181A JPS5833890A (ja) | 1981-08-24 | 1981-08-24 | 印刷配線板の回路パタ−ン検査方法および装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5833890A JPS5833890A (ja) | 1983-02-28 |
| JPH025312B2 true JPH025312B2 (enrdf_load_stackoverflow) | 1990-02-01 |
Family
ID=15071873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13203181A Granted JPS5833890A (ja) | 1981-08-24 | 1981-08-24 | 印刷配線板の回路パタ−ン検査方法および装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5833890A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6119750U (ja) * | 1984-07-10 | 1986-02-05 | 三菱重工業株式会社 | プレスマ−ク検出装置 |
| DE19849574B8 (de) * | 1998-10-27 | 2010-02-11 | Valeo Klimatechnik Gmbh & Co. Kg | Rohrverbindung zwischen einem Sammler eines Kraftfahrzeugwärmetauschers und einer äußeren Rohrleitung für das innere Wärmetauschfluid |
-
1981
- 1981-08-24 JP JP13203181A patent/JPS5833890A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5833890A (ja) | 1983-02-28 |
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