JPS5376664A - Production of semiconductor device - Google Patents

Production of semiconductor device

Info

Publication number
JPS5376664A
JPS5376664A JP15239476A JP15239476A JPS5376664A JP S5376664 A JPS5376664 A JP S5376664A JP 15239476 A JP15239476 A JP 15239476A JP 15239476 A JP15239476 A JP 15239476A JP S5376664 A JPS5376664 A JP S5376664A
Authority
JP
Japan
Prior art keywords
production
semiconductor device
anodic reaction
encircling
progression
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
JP15239476A
Other languages
Japanese (ja)
Inventor
Satoru Shoji
Ichiemon Sasaki
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 JP15239476A priority Critical patent/JPS5376664A/en
Publication of JPS5376664A publication Critical patent/JPS5376664A/en
Pending legal-status Critical Current

Links

Landscapes

  • Bipolar Transistors (AREA)
  • Formation Of Insulating Films (AREA)

Abstract

PURPOSE:To lower anodic reaction current at the completion of anodic reaction of desired parts by inhibiting the progression of lateral pore-opening by encircling with other conductivity type.
JP15239476A 1976-12-17 1976-12-17 Production of semiconductor device Pending JPS5376664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15239476A JPS5376664A (en) 1976-12-17 1976-12-17 Production of semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15239476A JPS5376664A (en) 1976-12-17 1976-12-17 Production of semiconductor device

Publications (1)

Publication Number Publication Date
JPS5376664A true JPS5376664A (en) 1978-07-07

Family

ID=15539548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15239476A Pending JPS5376664A (en) 1976-12-17 1976-12-17 Production of semiconductor device

Country Status (1)

Country Link
JP (1) JPS5376664A (en)

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