JPS5240076A - Process for production of bi-polar type semiconductor device - Google Patents

Process for production of bi-polar type semiconductor device

Info

Publication number
JPS5240076A
JPS5240076A JP11562875A JP11562875A JPS5240076A JP S5240076 A JPS5240076 A JP S5240076A JP 11562875 A JP11562875 A JP 11562875A JP 11562875 A JP11562875 A JP 11562875A JP S5240076 A JPS5240076 A JP S5240076A
Authority
JP
Japan
Prior art keywords
semiconductor device
type semiconductor
production
polar type
polar
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
JP11562875A
Other languages
Japanese (ja)
Inventor
Katsuhiko Ito
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 JP11562875A priority Critical patent/JPS5240076A/en
Publication of JPS5240076A publication Critical patent/JPS5240076A/en
Pending legal-status Critical Current

Links

Landscapes

  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Formation Of Insulating Films (AREA)

Abstract

PURPOSE: A process for porduction of a bi-polar type semiconductor device wherein a high impurity concentration layer(channel stopper)is formed by a simple method such as of adding heavy ions in selective regions of an insulating film on a substrate surface.
COPYRIGHT: (C)1977,JPO&Japio
JP11562875A 1975-09-26 1975-09-26 Process for production of bi-polar type semiconductor device Pending JPS5240076A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11562875A JPS5240076A (en) 1975-09-26 1975-09-26 Process for production of bi-polar type semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11562875A JPS5240076A (en) 1975-09-26 1975-09-26 Process for production of bi-polar type semiconductor device

Publications (1)

Publication Number Publication Date
JPS5240076A true JPS5240076A (en) 1977-03-28

Family

ID=14667343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11562875A Pending JPS5240076A (en) 1975-09-26 1975-09-26 Process for production of bi-polar type semiconductor device

Country Status (1)

Country Link
JP (1) JPS5240076A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58205737A (en) * 1982-05-26 1983-11-30 Toppan Printing Co Ltd Cutter for mouth part of cylindrical body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58205737A (en) * 1982-05-26 1983-11-30 Toppan Printing Co Ltd Cutter for mouth part of cylindrical body

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