JPH0427185Y2 - - Google Patents
Info
- Publication number
- JPH0427185Y2 JPH0427185Y2 JP5730086U JP5730086U JPH0427185Y2 JP H0427185 Y2 JPH0427185 Y2 JP H0427185Y2 JP 5730086 U JP5730086 U JP 5730086U JP 5730086 U JP5730086 U JP 5730086U JP H0427185 Y2 JPH0427185 Y2 JP H0427185Y2
- Authority
- JP
- Japan
- Prior art keywords
- printed circuit
- circuit board
- multilayer printed
- copper foil
- hole
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- 238000007689 inspection Methods 0.000 claims description 20
- 239000011889 copper foil Substances 0.000 claims description 16
- 239000004593 Epoxy Substances 0.000 description 9
- 238000007747 plating Methods 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5730086U JPH0427185Y2 (US08063081-20111122-C00044.png) | 1986-04-16 | 1986-04-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5730086U JPH0427185Y2 (US08063081-20111122-C00044.png) | 1986-04-16 | 1986-04-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62168681U JPS62168681U (US08063081-20111122-C00044.png) | 1987-10-26 |
JPH0427185Y2 true JPH0427185Y2 (US08063081-20111122-C00044.png) | 1992-06-30 |
Family
ID=30886883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5730086U Expired JPH0427185Y2 (US08063081-20111122-C00044.png) | 1986-04-16 | 1986-04-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0427185Y2 (US08063081-20111122-C00044.png) |
-
1986
- 1986-04-16 JP JP5730086U patent/JPH0427185Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS62168681U (US08063081-20111122-C00044.png) | 1987-10-26 |
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