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JPS5417676A - Diode - Google Patents

Diode

Info

Publication number
JPS5417676A
JPS5417676A JP8223777A JP8223777A JPS5417676A JP S5417676 A JPS5417676 A JP S5417676A JP 8223777 A JP8223777 A JP 8223777A JP 8223777 A JP8223777 A JP 8223777A JP S5417676 A JPS5417676 A JP S5417676A
Authority
JP
Japan
Prior art keywords
making
diode
impurity
junction
manufacture
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
JP8223777A
Other languages
Japanese (ja)
Inventor
Toshihiko Aimi
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 JP8223777A priority Critical patent/JPS5417676A/en
Publication of JPS5417676A publication Critical patent/JPS5417676A/en
Pending legal-status Critical Current

Links

Landscapes

  • Bipolar Transistors (AREA)

Abstract

PURPOSE: To manufacture a stable element with current concentration avoided, by making an impurity-density gradient gentle and density difference large near the junction of a guard ring part and by making those sudden and small respectively at the main part.
COPYRIGHT: (C)1979,JPO&Japio
JP8223777A 1977-07-08 1977-07-08 Diode Pending JPS5417676A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8223777A JPS5417676A (en) 1977-07-08 1977-07-08 Diode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8223777A JPS5417676A (en) 1977-07-08 1977-07-08 Diode

Publications (1)

Publication Number Publication Date
JPS5417676A true JPS5417676A (en) 1979-02-09

Family

ID=13768791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8223777A Pending JPS5417676A (en) 1977-07-08 1977-07-08 Diode

Country Status (1)

Country Link
JP (1) JPS5417676A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56124266A (en) * 1980-03-03 1981-09-29 Mitsubishi Electric Corp Semiconductor device
US6975013B2 (en) 1997-06-02 2005-12-13 Fuji Electric Co., Ltd. Diode and method for manufacturing the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56124266A (en) * 1980-03-03 1981-09-29 Mitsubishi Electric Corp Semiconductor device
US6975013B2 (en) 1997-06-02 2005-12-13 Fuji Electric Co., Ltd. Diode and method for manufacturing the same
US7112865B2 (en) 1997-06-02 2006-09-26 Fuji Electric Holdings Co., Ltd. Diode and method for manufacturing the same
US7187054B2 (en) 1997-06-02 2007-03-06 Fuji Electric Holdings Co., Ltd. Diode and method for manufacturing the same
US7276771B2 (en) 1997-06-02 2007-10-02 Fuji Electric Co., Ltd. Diode and method for manufacturing the same

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