JPS4924082A - - Google Patents
Info
- Publication number
- JPS4924082A JPS4924082A JP6317672A JP6317672A JPS4924082A JP S4924082 A JPS4924082 A JP S4924082A JP 6317672 A JP6317672 A JP 6317672A JP 6317672 A JP6317672 A JP 6317672A JP S4924082 A JPS4924082 A JP S4924082A
- 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.)
- Granted
Links
Landscapes
- Manufacturing Of Printed Circuit Boards (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Weting (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6317672A JPS5525500B2 (fi) | 1972-06-26 | 1972-06-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6317672A JPS5525500B2 (fi) | 1972-06-26 | 1972-06-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4924082A true JPS4924082A (fi) | 1974-03-04 |
JPS5525500B2 JPS5525500B2 (fi) | 1980-07-07 |
Family
ID=13221670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6317672A Expired JPS5525500B2 (fi) | 1972-06-26 | 1972-06-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5525500B2 (fi) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52119171A (en) * | 1976-03-31 | 1977-10-06 | Mitsubishi Electric Corp | Taper etching of metal film |
JPS5539650A (en) * | 1978-09-12 | 1980-03-19 | Nec Corp | Manufacture of semiconductor device |
JPS561538A (en) * | 1979-06-15 | 1981-01-09 | Mitsubishi Electric Corp | Manufacture of semiconductor device |
JPH02239530A (ja) * | 1989-03-10 | 1990-09-21 | Kyosan Electric Mfg Co Ltd | 鉄道用磁気保持継電器の駆動回路および鎖錠診断装置 |
JPH07176500A (ja) * | 1993-12-17 | 1995-07-14 | Nec Corp | エッチング方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4887777A (fi) * | 1972-02-18 | 1973-11-17 |
-
1972
- 1972-06-26 JP JP6317672A patent/JPS5525500B2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4887777A (fi) * | 1972-02-18 | 1973-11-17 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52119171A (en) * | 1976-03-31 | 1977-10-06 | Mitsubishi Electric Corp | Taper etching of metal film |
JPS5539650A (en) * | 1978-09-12 | 1980-03-19 | Nec Corp | Manufacture of semiconductor device |
JPS561538A (en) * | 1979-06-15 | 1981-01-09 | Mitsubishi Electric Corp | Manufacture of semiconductor device |
JPH02239530A (ja) * | 1989-03-10 | 1990-09-21 | Kyosan Electric Mfg Co Ltd | 鉄道用磁気保持継電器の駆動回路および鎖錠診断装置 |
JPH07176500A (ja) * | 1993-12-17 | 1995-07-14 | Nec Corp | エッチング方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS5525500B2 (fi) | 1980-07-07 |