JPS5389680A - Production of semiconductor device - Google Patents

Production of semiconductor device

Info

Publication number
JPS5389680A
JPS5389680A JP401577A JP401577A JPS5389680A JP S5389680 A JPS5389680 A JP S5389680A JP 401577 A JP401577 A JP 401577A JP 401577 A JP401577 A JP 401577A JP S5389680 A JPS5389680 A JP S5389680A
Authority
JP
Japan
Prior art keywords
production
semiconductor device
transistor
change
same substrate
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
JP401577A
Other languages
Japanese (ja)
Inventor
Tetsuya Takayashiki
Norio Totsuka
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP401577A priority Critical patent/JPS5389680A/en
Publication of JPS5389680A publication Critical patent/JPS5389680A/en
Pending legal-status Critical Current

Links

Landscapes

  • Bipolar Transistors (AREA)

Abstract

PURPOSE: To form a transistor of low saturation voltage and high gain characteristics simultaneously on the same substrate without adding any change to the production processes of high breakdown voltage devices.
COPYRIGHT: (C)1978,JPO&Japio
JP401577A 1977-01-19 1977-01-19 Production of semiconductor device Pending JPS5389680A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP401577A JPS5389680A (en) 1977-01-19 1977-01-19 Production of semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP401577A JPS5389680A (en) 1977-01-19 1977-01-19 Production of semiconductor device

Publications (1)

Publication Number Publication Date
JPS5389680A true JPS5389680A (en) 1978-08-07

Family

ID=11573135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP401577A Pending JPS5389680A (en) 1977-01-19 1977-01-19 Production of semiconductor device

Country Status (1)

Country Link
JP (1) JPS5389680A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61290764A (en) * 1985-06-19 1986-12-20 Sanyo Electric Co Ltd Lateral npn transistor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61290764A (en) * 1985-06-19 1986-12-20 Sanyo Electric Co Ltd Lateral npn transistor

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