JPS57186389A - Method of opening hole of printed board - Google Patents
Method of opening hole of printed boardInfo
- Publication number
- JPS57186389A JPS57186389A JP6944781A JP6944781A JPS57186389A JP S57186389 A JPS57186389 A JP S57186389A JP 6944781 A JP6944781 A JP 6944781A JP 6944781 A JP6944781 A JP 6944781A JP S57186389 A JPS57186389 A JP S57186389A
- Authority
- JP
- Japan
- Prior art keywords
- printed board
- opening hole
- opening
- hole
- printed
- 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.)
- Pending
Links
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6944781A JPS57186389A (en) | 1981-05-11 | 1981-05-11 | Method of opening hole of printed board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6944781A JPS57186389A (en) | 1981-05-11 | 1981-05-11 | Method of opening hole of printed board |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57186389A true JPS57186389A (en) | 1982-11-16 |
Family
ID=13402894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6944781A Pending JPS57186389A (en) | 1981-05-11 | 1981-05-11 | Method of opening hole of printed board |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57186389A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05285895A (en) * | 1992-04-07 | 1993-11-02 | Sakae Denshi Kogyo Kk | Processing method of small diameter hole on substrate material |
JP2011025399A (en) * | 2009-06-23 | 2011-02-10 | Hitachi Via Mechanics Ltd | Method for boring printed circuit board |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5371268A (en) * | 1976-12-07 | 1978-06-24 | Fujitsu Ltd | Method of perforating multilayer printed board |
JPS556809A (en) * | 1978-06-29 | 1980-01-18 | Fujitsu Ltd | Method of forming through hole at multiilayer printed circuit board by laser beam |
-
1981
- 1981-05-11 JP JP6944781A patent/JPS57186389A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5371268A (en) * | 1976-12-07 | 1978-06-24 | Fujitsu Ltd | Method of perforating multilayer printed board |
JPS556809A (en) * | 1978-06-29 | 1980-01-18 | Fujitsu Ltd | Method of forming through hole at multiilayer printed circuit board by laser beam |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05285895A (en) * | 1992-04-07 | 1993-11-02 | Sakae Denshi Kogyo Kk | Processing method of small diameter hole on substrate material |
JP2011025399A (en) * | 2009-06-23 | 2011-02-10 | Hitachi Via Mechanics Ltd | Method for boring printed circuit board |
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