JPS5249781A - Process for production of semiconductor device - Google Patents

Process for production of semiconductor device

Info

Publication number
JPS5249781A
JPS5249781A JP12532875A JP12532875A JPS5249781A JP S5249781 A JPS5249781 A JP S5249781A JP 12532875 A JP12532875 A JP 12532875A JP 12532875 A JP12532875 A JP 12532875A JP S5249781 A JPS5249781 A JP S5249781A
Authority
JP
Japan
Prior art keywords
production
semiconductor device
emitter
insulator
exposing
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
JP12532875A
Other languages
Japanese (ja)
Inventor
Shuichi Nakamura
Kazunari Kobayashi
Minoru Wada
Hiroji Saida
Yoichi Tamaoki
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 JP12532875A priority Critical patent/JPS5249781A/en
Publication of JPS5249781A publication Critical patent/JPS5249781A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent shorting between emitter and collector, by forming a semiconductor layer after exposing the surface of isolated regions, in an element isolation method using insulator.
COPYRIGHT: (C)1977,JPO&Japio
JP12532875A 1975-10-20 1975-10-20 Process for production of semiconductor device Pending JPS5249781A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12532875A JPS5249781A (en) 1975-10-20 1975-10-20 Process for production of semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12532875A JPS5249781A (en) 1975-10-20 1975-10-20 Process for production of semiconductor device

Publications (1)

Publication Number Publication Date
JPS5249781A true JPS5249781A (en) 1977-04-21

Family

ID=14907381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12532875A Pending JPS5249781A (en) 1975-10-20 1975-10-20 Process for production of semiconductor device

Country Status (1)

Country Link
JP (1) JPS5249781A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037201A (en) * 1983-08-08 1985-02-26 Kawasaki Steel Corp Rolling method for providing step difference to thick plate
JPS6061106A (en) * 1983-09-16 1985-04-08 Kawasaki Steel Corp Rolling method of steel sheet with different thickness
JPS6163305A (en) * 1984-09-05 1986-04-01 Toshiba Corp Rolling method of reversing cold-rolling equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037201A (en) * 1983-08-08 1985-02-26 Kawasaki Steel Corp Rolling method for providing step difference to thick plate
JPS6061106A (en) * 1983-09-16 1985-04-08 Kawasaki Steel Corp Rolling method of steel sheet with different thickness
JPS6163305A (en) * 1984-09-05 1986-04-01 Toshiba Corp Rolling method of reversing cold-rolling equipment

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