JPS51130170A - Ic lead frame process - Google Patents

Ic lead frame process

Info

Publication number
JPS51130170A
JPS51130170A JP5571775A JP5571775A JPS51130170A JP S51130170 A JPS51130170 A JP S51130170A JP 5571775 A JP5571775 A JP 5571775A JP 5571775 A JP5571775 A JP 5571775A JP S51130170 A JPS51130170 A JP S51130170A
Authority
JP
Japan
Prior art keywords
lead frame
frame process
gold
economizes
devices
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
Application number
JP5571775A
Other languages
Japanese (ja)
Other versions
JPS5854507B2 (en
Inventor
Tomoaki Kojima
Tomoichi Oku
Hitoshi Wada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP50055717A priority Critical patent/JPS5854507B2/en
Publication of JPS51130170A publication Critical patent/JPS51130170A/en
Publication of JPS5854507B2 publication Critical patent/JPS5854507B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: A process for lead frames for IC devices which economizes use of gold and utilizes metal plating to substitute gold for various purposes.
COPYRIGHT: (C)1976,JPO&Japio
JP50055717A 1975-05-07 1975-05-07 Lead frame manufacturing method Expired JPS5854507B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50055717A JPS5854507B2 (en) 1975-05-07 1975-05-07 Lead frame manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50055717A JPS5854507B2 (en) 1975-05-07 1975-05-07 Lead frame manufacturing method

Publications (2)

Publication Number Publication Date
JPS51130170A true JPS51130170A (en) 1976-11-12
JPS5854507B2 JPS5854507B2 (en) 1983-12-05

Family

ID=13006614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50055717A Expired JPS5854507B2 (en) 1975-05-07 1975-05-07 Lead frame manufacturing method

Country Status (1)

Country Link
JP (1) JPS5854507B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57166058A (en) * 1981-04-07 1982-10-13 Hitachi Cable Ltd Lead frame for semiconductor
JPS5818947A (en) * 1981-07-27 1983-02-03 Toshiba Corp Lead frame
JPS58123744A (en) * 1982-01-18 1983-07-23 Fujitsu Ltd Manufacture of lead frame and semiconductor device
JPS6113950U (en) * 1984-06-29 1986-01-27 大日本印刷株式会社 Semiconductor lead frame with metal partial coating
JPH01223754A (en) * 1988-03-03 1989-09-06 Seikosha Co Ltd Lead frame for wire bonding

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5047566A (en) * 1973-07-13 1975-04-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5047566A (en) * 1973-07-13 1975-04-28

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57166058A (en) * 1981-04-07 1982-10-13 Hitachi Cable Ltd Lead frame for semiconductor
JPS5818947A (en) * 1981-07-27 1983-02-03 Toshiba Corp Lead frame
JPS58123744A (en) * 1982-01-18 1983-07-23 Fujitsu Ltd Manufacture of lead frame and semiconductor device
JPS6113950U (en) * 1984-06-29 1986-01-27 大日本印刷株式会社 Semiconductor lead frame with metal partial coating
JPH01223754A (en) * 1988-03-03 1989-09-06 Seikosha Co Ltd Lead frame for wire bonding

Also Published As

Publication number Publication date
JPS5854507B2 (en) 1983-12-05

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