JPH01117777U - - Google Patents
Info
- Publication number
- JPH01117777U JPH01117777U JP1032988U JP1032988U JPH01117777U JP H01117777 U JPH01117777 U JP H01117777U JP 1032988 U JP1032988 U JP 1032988U JP 1032988 U JP1032988 U JP 1032988U JP H01117777 U JPH01117777 U JP H01117777U
- Authority
- JP
- Japan
- Prior art keywords
- inner diameter
- hole
- circuit board
- printed circuit
- test circle
- 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
- 239000010410 layer Substances 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 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 |
|---|---|---|---|
| JP1988010329U JPH0611532Y2 (ja) | 1988-01-28 | 1988-01-28 | プリント基板の検査用パターン |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988010329U JPH0611532Y2 (ja) | 1988-01-28 | 1988-01-28 | プリント基板の検査用パターン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01117777U true JPH01117777U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-08-09 |
| JPH0611532Y2 JPH0611532Y2 (ja) | 1994-03-23 |
Family
ID=31217894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988010329U Expired - Lifetime JPH0611532Y2 (ja) | 1988-01-28 | 1988-01-28 | プリント基板の検査用パターン |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611532Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000340698A (ja) * | 1999-06-01 | 2000-12-08 | New Japan Radio Co Ltd | リードレスチップキャリア用基板及びリードレスチップキャリア |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49121168A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-03-26 | 1974-11-19 | ||
| JPS55102300A (en) * | 1980-01-21 | 1980-08-05 | Hitachi Ltd | Method of detecting inner layer pattern position for multilayer printed board |
| JPS5784196A (en) * | 1980-11-14 | 1982-05-26 | Nippon Electric Co | Multilayer printed circuit board |
| JPS5933898A (ja) * | 1982-08-20 | 1984-02-23 | 沖電気工業株式会社 | 多層印刷配線板 |
-
1988
- 1988-01-28 JP JP1988010329U patent/JPH0611532Y2/ja not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49121168A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-03-26 | 1974-11-19 | ||
| JPS55102300A (en) * | 1980-01-21 | 1980-08-05 | Hitachi Ltd | Method of detecting inner layer pattern position for multilayer printed board |
| JPS5784196A (en) * | 1980-11-14 | 1982-05-26 | Nippon Electric Co | Multilayer printed circuit board |
| JPS5933898A (ja) * | 1982-08-20 | 1984-02-23 | 沖電気工業株式会社 | 多層印刷配線板 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000340698A (ja) * | 1999-06-01 | 2000-12-08 | New Japan Radio Co Ltd | リードレスチップキャリア用基板及びリードレスチップキャリア |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0611532Y2 (ja) | 1994-03-23 |