JPS56167397A - Method of forming bir hole - Google Patents
Method of forming bir holeInfo
- Publication number
- JPS56167397A JPS56167397A JP7031280A JP7031280A JPS56167397A JP S56167397 A JPS56167397 A JP S56167397A JP 7031280 A JP7031280 A JP 7031280A JP 7031280 A JP7031280 A JP 7031280A JP S56167397 A JPS56167397 A JP S56167397A
- Authority
- JP
- Japan
- Prior art keywords
- bir
- hole
- forming
- forming bir
- bir 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.)
- Granted
Links
Landscapes
- Production Of Multi-Layered Print Wiring Board (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7031280A JPS5824038B2 (en) | 1980-05-27 | 1980-05-27 | Via hole formation method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7031280A JPS5824038B2 (en) | 1980-05-27 | 1980-05-27 | Via hole formation method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56167397A true JPS56167397A (en) | 1981-12-23 |
JPS5824038B2 JPS5824038B2 (en) | 1983-05-18 |
Family
ID=13427803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7031280A Expired JPS5824038B2 (en) | 1980-05-27 | 1980-05-27 | Via hole formation method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5824038B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0315729A (en) * | 1989-06-13 | 1991-01-24 | Miyamoto Kogyosho:Kk | Temperature measuring instrument for molten metal |
JPH0743622Y2 (en) * | 1990-09-14 | 1995-10-09 | 川惣電機工業株式会社 | Fixture for molten metal continuous temperature measuring device |
-
1980
- 1980-05-27 JP JP7031280A patent/JPS5824038B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5824038B2 (en) | 1983-05-18 |
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