JPS49121967A - - Google Patents
Info
- Publication number
- JPS49121967A JPS49121967A JP3688673A JP3688673A JPS49121967A JP S49121967 A JPS49121967 A JP S49121967A JP 3688673 A JP3688673 A JP 3688673A JP 3688673 A JP3688673 A JP 3688673A JP S49121967 A JPS49121967 A JP S49121967A
- Authority
- JP
- Japan
- 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
- 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 |
---|---|---|---|
JP3688673A JPS49121967A (ja) | 1973-03-31 | 1973-03-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3688673A JPS49121967A (ja) | 1973-03-31 | 1973-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS49121967A true JPS49121967A (ja) | 1974-11-21 |
Family
ID=12482247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3688673A Pending JPS49121967A (ja) | 1973-03-31 | 1973-03-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS49121967A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5643796A (en) * | 1979-09-17 | 1981-04-22 | Fujitsu Ltd | Forming viaahole |
JPS5643797A (en) * | 1979-09-18 | 1981-04-22 | Fujitsu Ltd | Forming viaahole |
-
1973
- 1973-03-31 JP JP3688673A patent/JPS49121967A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5643796A (en) * | 1979-09-17 | 1981-04-22 | Fujitsu Ltd | Forming viaahole |
JPS5643797A (en) * | 1979-09-18 | 1981-04-22 | Fujitsu Ltd | Forming viaahole |
JPS5846200B2 (ja) * | 1979-09-18 | 1983-10-14 | 富士通株式会社 | バイアホ−ルの形成方法 |