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
Application number
JP6317672A
Other languages
Japanese (ja)
Other versions
JPS5525500B2 (
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP6317672A priority Critical patent/JPS5525500B2/ja
Publication of JPS4924082A publication Critical patent/JPS4924082A/ja
Publication of JPS5525500B2 publication Critical patent/JPS5525500B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Manufacturing Of Printed Circuit Boards (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Weting (AREA)
JP6317672A 1972-06-26 1972-06-26 Expired JPS5525500B2 ( )

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6317672A JPS5525500B2 ( ) 1972-06-26 1972-06-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6317672A JPS5525500B2 ( ) 1972-06-26 1972-06-26

Publications (2)

Publication Number Publication Date
JPS4924082A true JPS4924082A ( ) 1974-03-04
JPS5525500B2 JPS5525500B2 ( ) 1980-07-07

Family

ID=13221670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6317672A Expired JPS5525500B2 ( ) 1972-06-26 1972-06-26

Country Status (1)

Country Link
JP (1) JPS5525500B2 ( )

Cited By (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4887777A ( ) * 1972-02-18 1973-11-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4887777A ( ) * 1972-02-18 1973-11-17

Cited By (5)

* Cited by examiner, † Cited by third party
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 ( ) 1980-07-07

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