JPS546480A - Semiconductor device - Google Patents

Semiconductor device

Info

Publication number
JPS546480A
JPS546480A JP7144577A JP7144577A JPS546480A JP S546480 A JPS546480 A JP S546480A JP 7144577 A JP7144577 A JP 7144577A JP 7144577 A JP7144577 A JP 7144577A JP S546480 A JPS546480 A JP S546480A
Authority
JP
Japan
Prior art keywords
semiconductor device
junction
regions
exposed
making
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
JP7144577A
Other languages
Japanese (ja)
Inventor
Katsuyoshi Oda
Hiroshi Sakurai
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.)
Denso Corp
Original Assignee
NipponDenso 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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP7144577A priority Critical patent/JPS546480A/en
Publication of JPS546480A publication Critical patent/JPS546480A/en
Pending legal-status Critical Current

Links

Landscapes

  • Bipolar Integrated Circuits (AREA)

Abstract

PURPOSE: To reduce the time aging of breakdown voltage and to increase the current capacity, by forming PN junction so that it is not exposed on the substrate surface and making the impurity concentration of each region constituting PN junction uniformly high for all the regions.
COPYRIGHT: (C)1979,JPO&Japio
JP7144577A 1977-06-16 1977-06-16 Semiconductor device Pending JPS546480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7144577A JPS546480A (en) 1977-06-16 1977-06-16 Semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7144577A JPS546480A (en) 1977-06-16 1977-06-16 Semiconductor device

Publications (1)

Publication Number Publication Date
JPS546480A true JPS546480A (en) 1979-01-18

Family

ID=13460747

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7144577A Pending JPS546480A (en) 1977-06-16 1977-06-16 Semiconductor device

Country Status (1)

Country Link
JP (1) JPS546480A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610957A (en) * 1979-07-05 1981-02-03 Nec Corp Semiconductor device
US4441114A (en) * 1981-12-22 1984-04-03 International Business Machines Corporation CMOS Subsurface breakdown zener diode
JPS63144555A (en) * 1986-12-09 1988-06-16 Toshiba Corp Semiconductor integrated circuit
JPS6477968A (en) * 1987-09-19 1989-03-23 Fujitsu Ltd Semiconductor device
JPH0234411U (en) * 1988-08-29 1990-03-05
JPH03176352A (en) * 1989-11-27 1991-07-31 Nippon Steel Corp Labeling device
US6002144A (en) * 1997-02-17 1999-12-14 Sony Corporation Zener diode semiconductor device with contact portions

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610957A (en) * 1979-07-05 1981-02-03 Nec Corp Semiconductor device
US4441114A (en) * 1981-12-22 1984-04-03 International Business Machines Corporation CMOS Subsurface breakdown zener diode
JPS63144555A (en) * 1986-12-09 1988-06-16 Toshiba Corp Semiconductor integrated circuit
JPS6477968A (en) * 1987-09-19 1989-03-23 Fujitsu Ltd Semiconductor device
JPH0234411U (en) * 1988-08-29 1990-03-05
JPH03176352A (en) * 1989-11-27 1991-07-31 Nippon Steel Corp Labeling device
US6002144A (en) * 1997-02-17 1999-12-14 Sony Corporation Zener diode semiconductor device with contact portions

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