JPS53124068A - Lead frame - Google Patents

Lead frame

Info

Publication number
JPS53124068A
JPS53124068A JP15652676A JP15652676A JPS53124068A JP S53124068 A JPS53124068 A JP S53124068A JP 15652676 A JP15652676 A JP 15652676A JP 15652676 A JP15652676 A JP 15652676A JP S53124068 A JPS53124068 A JP S53124068A
Authority
JP
Japan
Prior art keywords
lead frame
tub
pellet
measurement
short circuit
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
JP15652676A
Other languages
Japanese (ja)
Other versions
JPS5947461B2 (en
Inventor
Takuro Hosoe
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.)
Hitachi Ltd
Hitachi High Tech Corp
Original Assignee
Hitachi Ltd
Hitachi Electronics Engineering 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 Hitachi Ltd, Hitachi Electronics Engineering Co Ltd filed Critical Hitachi Ltd
Priority to JP15652676A priority Critical patent/JPS5947461B2/en
Publication of JPS53124068A publication Critical patent/JPS53124068A/en
Publication of JPS5947461B2 publication Critical patent/JPS5947461B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Lead Frames For Integrated Circuits (AREA)

Abstract

PURPOSE: To obtain a lead frame which can reduce the pellet cracking at the line junction time as well as the short circuit fault between the tub and the connection line even if there is a little discrepancy of the measurement between the tub and the pellet.
COPYRIGHT: (C)1978,JPO&Japio
JP15652676A 1976-12-27 1976-12-27 lead frame Expired JPS5947461B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15652676A JPS5947461B2 (en) 1976-12-27 1976-12-27 lead frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15652676A JPS5947461B2 (en) 1976-12-27 1976-12-27 lead frame

Publications (2)

Publication Number Publication Date
JPS53124068A true JPS53124068A (en) 1978-10-30
JPS5947461B2 JPS5947461B2 (en) 1984-11-19

Family

ID=15629708

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15652676A Expired JPS5947461B2 (en) 1976-12-27 1976-12-27 lead frame

Country Status (1)

Country Link
JP (1) JPS5947461B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5479563A (en) * 1977-12-07 1979-06-25 Kyushu Nippon Electric Lead frame for semiconductor
JPS6370161U (en) * 1986-10-28 1988-05-11
JPH01102945A (en) * 1987-10-15 1989-04-20 Nec Kyushu Ltd Lead frame for semiconductor device and manufacture thereof
US5518684A (en) * 1994-03-09 1996-05-21 National Semiconductor Corporation Method of making a molded lead frame

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS634665U (en) * 1986-06-26 1988-01-13

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5479563A (en) * 1977-12-07 1979-06-25 Kyushu Nippon Electric Lead frame for semiconductor
JPS6131627B2 (en) * 1977-12-07 1986-07-21 Kyushu Nippon Electric
JPS6370161U (en) * 1986-10-28 1988-05-11
JPH0447966Y2 (en) * 1986-10-28 1992-11-12
JPH01102945A (en) * 1987-10-15 1989-04-20 Nec Kyushu Ltd Lead frame for semiconductor device and manufacture thereof
US5518684A (en) * 1994-03-09 1996-05-21 National Semiconductor Corporation Method of making a molded lead frame

Also Published As

Publication number Publication date
JPS5947461B2 (en) 1984-11-19

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