JPS5247378A - Process for production of semiconductor device - Google Patents

Process for production of semiconductor device

Info

Publication number
JPS5247378A
JPS5247378A JP50123378A JP12337875A JPS5247378A JP S5247378 A JPS5247378 A JP S5247378A JP 50123378 A JP50123378 A JP 50123378A JP 12337875 A JP12337875 A JP 12337875A JP S5247378 A JPS5247378 A JP S5247378A
Authority
JP
Japan
Prior art keywords
production
semiconductor device
diffusion
transistor
facilitate
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
JP50123378A
Other languages
Japanese (ja)
Inventor
Reiji Takashina
Soichiro Yamashita
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP50123378A priority Critical patent/JPS5247378A/en
Publication of JPS5247378A publication Critical patent/JPS5247378A/en
Pending legal-status Critical Current

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Landscapes

  • Bipolar Transistors (AREA)

Abstract

PURPOSE: To facilitate photoetching process and reduce times of diffusion by using insulating films of varying etching characteristics, thereby obtaining a transistor of less variation in element characteristics.
COPYRIGHT: (C)1977,JPO&Japio
JP50123378A 1975-10-13 1975-10-13 Process for production of semiconductor device Pending JPS5247378A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50123378A JPS5247378A (en) 1975-10-13 1975-10-13 Process for production of semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50123378A JPS5247378A (en) 1975-10-13 1975-10-13 Process for production of semiconductor device

Publications (1)

Publication Number Publication Date
JPS5247378A true JPS5247378A (en) 1977-04-15

Family

ID=14859088

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50123378A Pending JPS5247378A (en) 1975-10-13 1975-10-13 Process for production of semiconductor device

Country Status (1)

Country Link
JP (1) JPS5247378A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10413769B2 (en) 2002-09-09 2019-09-17 Reactive Surfaces, Ltd., Llp Paint having cell wall particulate material with a protective organophosphorus esterase

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10413769B2 (en) 2002-09-09 2019-09-17 Reactive Surfaces, Ltd., Llp Paint having cell wall particulate material with a protective organophosphorus esterase

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