JPS5342688A - Production of semiconductor device - Google Patents

Production of semiconductor device

Info

Publication number
JPS5342688A
JPS5342688A JP11759776A JP11759776A JPS5342688A JP S5342688 A JPS5342688 A JP S5342688A JP 11759776 A JP11759776 A JP 11759776A JP 11759776 A JP11759776 A JP 11759776A JP S5342688 A JPS5342688 A JP S5342688A
Authority
JP
Japan
Prior art keywords
production
semiconductor device
thyristors
produce
high efficiency
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
JP11759776A
Other languages
Japanese (ja)
Inventor
Katsushige Shomura
Koji Mizobe
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP11759776A priority Critical patent/JPS5342688A/en
Publication of JPS5342688A publication Critical patent/JPS5342688A/en
Pending legal-status Critical Current

Links

Landscapes

  • Thyristors (AREA)

Abstract

PURPOSE: To produce thyristors of good characteristics at high efficiency without requiring labor for producing impurity sources of various ratios by using dummy wafers of a suitable quantity.
COPYRIGHT: (C)1978,JPO&Japio
JP11759776A 1976-09-30 1976-09-30 Production of semiconductor device Pending JPS5342688A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11759776A JPS5342688A (en) 1976-09-30 1976-09-30 Production of semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11759776A JPS5342688A (en) 1976-09-30 1976-09-30 Production of semiconductor device

Publications (1)

Publication Number Publication Date
JPS5342688A true JPS5342688A (en) 1978-04-18

Family

ID=14715737

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11759776A Pending JPS5342688A (en) 1976-09-30 1976-09-30 Production of semiconductor device

Country Status (1)

Country Link
JP (1) JPS5342688A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57132816A (en) * 1981-02-06 1982-08-17 Chubu Nouzai Kk Automatic soil entering apparatus of growing pot
JPS61185128A (en) * 1985-02-12 1986-08-18 株式会社　備前製作所 Soil filling apparatus of seedling box
JPH0290953U (en) * 1988-12-29 1990-07-19

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57132816A (en) * 1981-02-06 1982-08-17 Chubu Nouzai Kk Automatic soil entering apparatus of growing pot
JPS5844333B2 (en) * 1981-02-06 1983-10-03 中部農材株式会社 Automatic soil filling device for seedling pots
JPS61185128A (en) * 1985-02-12 1986-08-18 株式会社　備前製作所 Soil filling apparatus of seedling box
JPH0290953U (en) * 1988-12-29 1990-07-19

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