JPH0416208Y2 - - Google Patents
Info
- Publication number
- JPH0416208Y2 JPH0416208Y2 JP6558186U JP6558186U JPH0416208Y2 JP H0416208 Y2 JPH0416208 Y2 JP H0416208Y2 JP 6558186 U JP6558186 U JP 6558186U JP 6558186 U JP6558186 U JP 6558186U JP H0416208 Y2 JPH0416208 Y2 JP H0416208Y2
- Authority
- JP
- Japan
- Prior art keywords
- illumination means
- circuit board
- reflected light
- lead
- shutter
- 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
- 238000005286 illumination Methods 0.000 claims description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- 238000007689 inspection Methods 0.000 claims description 19
- 239000011889 copper foil Substances 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6558186U JPH0416208Y2 (enrdf_load_stackoverflow) | 1986-04-30 | 1986-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6558186U JPH0416208Y2 (enrdf_load_stackoverflow) | 1986-04-30 | 1986-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62178355U JPS62178355U (enrdf_load_stackoverflow) | 1987-11-12 |
| JPH0416208Y2 true JPH0416208Y2 (enrdf_load_stackoverflow) | 1992-04-10 |
Family
ID=30902787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6558186U Expired JPH0416208Y2 (enrdf_load_stackoverflow) | 1986-04-30 | 1986-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416208Y2 (enrdf_load_stackoverflow) |
-
1986
- 1986-04-30 JP JP6558186U patent/JPH0416208Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62178355U (enrdf_load_stackoverflow) | 1987-11-12 |
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