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JPS5278372A - Method of blanking of lead frame for electronic parts - Google Patents

Method of blanking of lead frame for electronic parts

Info

Publication number
JPS5278372A
JPS5278372A JP15524675A JP15524675A JPS5278372A JP S5278372 A JPS5278372 A JP S5278372A JP 15524675 A JP15524675 A JP 15524675A JP 15524675 A JP15524675 A JP 15524675A JP S5278372 A JPS5278372 A JP S5278372A
Authority
JP
Japan
Prior art keywords
blanking
electronic parts
lead frame
lead frames
processes
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
JP15524675A
Other languages
Japanese (ja)
Other versions
JPS5937581B2 (en
Inventor
Masanaga Takahashi
Katsuyoshi Miyairi
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 JP15524675A priority Critical patent/JPS5937581B2/en
Publication of JPS5278372A publication Critical patent/JPS5278372A/en
Publication of JPS5937581B2 publication Critical patent/JPS5937581B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Lead Frames For Integrated Circuits (AREA)

Abstract

PURPOSE: A method of blanking lead frames used for electronic parts, particularly semiconductor integrated circuits, capable of forming lead frames of diversified types of shapes by providing interchangeability to the punches of one or two processes out of plural processes for continuous blanking, is obtained.
COPYRIGHT: (C)1977,JPO&Japio
JP15524675A 1975-12-25 1975-12-25 High-density storage system Expired JPS5937581B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15524675A JPS5937581B2 (en) 1975-12-25 1975-12-25 High-density storage system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15524675A JPS5937581B2 (en) 1975-12-25 1975-12-25 High-density storage system

Publications (2)

Publication Number Publication Date
JPS5278372A true JPS5278372A (en) 1977-07-01
JPS5937581B2 JPS5937581B2 (en) 1984-09-11

Family

ID=15601714

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15524675A Expired JPS5937581B2 (en) 1975-12-25 1975-12-25 High-density storage system

Country Status (1)

Country Link
JP (1) JPS5937581B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5674948A (en) * 1979-11-22 1981-06-20 Hitachi Ltd Lead structure of semiconductor device
JPS61216354A (en) * 1985-03-20 1986-09-26 Shinko Electric Ind Co Ltd Manufacture of lead frame

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61105686U (en) * 1984-12-14 1986-07-04
JPH02144690U (en) * 1989-05-02 1990-12-07

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5674948A (en) * 1979-11-22 1981-06-20 Hitachi Ltd Lead structure of semiconductor device
JPS6230498B2 (en) * 1979-11-22 1987-07-02 Hitachi Ltd
JPS61216354A (en) * 1985-03-20 1986-09-26 Shinko Electric Ind Co Ltd Manufacture of lead frame

Also Published As

Publication number Publication date
JPS5937581B2 (en) 1984-09-11

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