JPS5427769A - Production of semiconductor devices - Google Patents

Production of semiconductor devices

Info

Publication number
JPS5427769A
JPS5427769A JP9378677A JP9378677A JPS5427769A JP S5427769 A JPS5427769 A JP S5427769A JP 9378677 A JP9378677 A JP 9378677A JP 9378677 A JP9378677 A JP 9378677A JP S5427769 A JPS5427769 A JP S5427769A
Authority
JP
Japan
Prior art keywords
production
semiconductor devices
lead pieces
wideth
imparing
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
JP9378677A
Other languages
Japanese (ja)
Other versions
JPS5758065B2 (en
Inventor
Yuzaburo Ogawa
Saburo Kimura
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 Home Electronics Ltd
NEC Corp
Original Assignee
NEC Home Electronics Ltd
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 Home Electronics Ltd, Nippon Electric Co Ltd filed Critical NEC Home Electronics Ltd
Priority to JP9378677A priority Critical patent/JPS5427769A/en
Publication of JPS5427769A publication Critical patent/JPS5427769A/en
Publication of JPS5758065B2 publication Critical patent/JPS5758065B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To form large-wideth parts simply and surely in the protions in proximity to the semiconductor element of lead pieces without imparing working effeciency even if the spacings between lead pieces are narrow.
COPYRIGHT: (C)1979,JPO&Japio
JP9378677A 1977-08-04 1977-08-04 Production of semiconductor devices Granted JPS5427769A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9378677A JPS5427769A (en) 1977-08-04 1977-08-04 Production of semiconductor devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9378677A JPS5427769A (en) 1977-08-04 1977-08-04 Production of semiconductor devices

Publications (2)

Publication Number Publication Date
JPS5427769A true JPS5427769A (en) 1979-03-02
JPS5758065B2 JPS5758065B2 (en) 1982-12-08

Family

ID=14092083

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9378677A Granted JPS5427769A (en) 1977-08-04 1977-08-04 Production of semiconductor devices

Country Status (1)

Country Link
JP (1) JPS5427769A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62135447U (en) * 1986-02-21 1987-08-26
JPS63177450A (en) * 1987-01-17 1988-07-21 Sumitomo Metal Mining Co Ltd Manufacture of lead frame

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62135447U (en) * 1986-02-21 1987-08-26
JPS63177450A (en) * 1987-01-17 1988-07-21 Sumitomo Metal Mining Co Ltd Manufacture of lead frame

Also Published As

Publication number Publication date
JPS5758065B2 (en) 1982-12-08

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