JPS5231680A - Production method of semiconductor device - Google Patents

Production method of semiconductor device

Info

Publication number
JPS5231680A
JPS5231680A JP10696575A JP10696575A JPS5231680A JP S5231680 A JPS5231680 A JP S5231680A JP 10696575 A JP10696575 A JP 10696575A JP 10696575 A JP10696575 A JP 10696575A JP S5231680 A JPS5231680 A JP S5231680A
Authority
JP
Japan
Prior art keywords
semiconductor device
production method
thick
base
eliminate
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.)
Pending
Application number
JP10696575A
Other languages
Japanese (ja)
Inventor
Hideo Sakai
Sumio Nishida
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
Original Assignee
Hitachi 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 filed Critical Hitachi Ltd
Priority to JP10696575A priority Critical patent/JPS5231680A/en
Publication of JPS5231680A publication Critical patent/JPS5231680A/en
Pending legal-status Critical Current

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  • Element Separation (AREA)

Abstract

PURPOSE: To eliminate the bird head by means of forming the epitaxial layer with the thick film and the thick base on the opening section of insulation film on the base plate.
COPYRIGHT: (C)1977,JPO&Japio
JP10696575A 1975-09-05 1975-09-05 Production method of semiconductor device Pending JPS5231680A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10696575A JPS5231680A (en) 1975-09-05 1975-09-05 Production method of semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10696575A JPS5231680A (en) 1975-09-05 1975-09-05 Production method of semiconductor device

Publications (1)

Publication Number Publication Date
JPS5231680A true JPS5231680A (en) 1977-03-10

Family

ID=14447021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10696575A Pending JPS5231680A (en) 1975-09-05 1975-09-05 Production method of semiconductor device

Country Status (1)

Country Link
JP (1) JPS5231680A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5462399U (en) * 1977-10-11 1979-05-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5462399U (en) * 1977-10-11 1979-05-01

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