JPH0133948B2 - - Google Patents

Info

Publication number
JPH0133948B2
JPH0133948B2 JP54012947A JP1294779A JPH0133948B2 JP H0133948 B2 JPH0133948 B2 JP H0133948B2 JP 54012947 A JP54012947 A JP 54012947A JP 1294779 A JP1294779 A JP 1294779A JP H0133948 B2 JPH0133948 B2 JP H0133948B2
Authority
JP
Japan
Prior art keywords
junction
base
emitter
region
area
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.)
Expired
Application number
JP54012947A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55105365A (en
Inventor
Norio Kususe
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP1294779A priority Critical patent/JPS55105365A/ja
Publication of JPS55105365A publication Critical patent/JPS55105365A/ja
Publication of JPH0133948B2 publication Critical patent/JPH0133948B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices

Landscapes

  • Semiconductor Memories (AREA)
  • Read Only Memory (AREA)
  • Bipolar Transistors (AREA)
  • Bipolar Integrated Circuits (AREA)
JP1294779A 1979-02-07 1979-02-07 Semiconductor device Granted JPS55105365A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1294779A JPS55105365A (en) 1979-02-07 1979-02-07 Semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1294779A JPS55105365A (en) 1979-02-07 1979-02-07 Semiconductor device

Publications (2)

Publication Number Publication Date
JPS55105365A JPS55105365A (en) 1980-08-12
JPH0133948B2 true JPH0133948B2 (en]) 1989-07-17

Family

ID=11819466

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1294779A Granted JPS55105365A (en) 1979-02-07 1979-02-07 Semiconductor device

Country Status (1)

Country Link
JP (1) JPS55105365A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5758354A (en) * 1980-09-24 1982-04-08 Nippon Telegr & Teleph Corp <Ntt> Semiconductor device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5216345B2 (en]) * 1972-06-05 1977-05-09
JPS4975280A (en]) * 1972-11-24 1974-07-19
JPS5648978B2 (en]) * 1974-12-07 1981-11-19
JPS5521113A (en) * 1978-08-02 1980-02-15 Hitachi Ltd Junction break-down type programmable read-only memory semiconductor device

Also Published As

Publication number Publication date
JPS55105365A (en) 1980-08-12

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