JPS5837969A - 保護回路素子 - Google Patents

保護回路素子

Info

Publication number
JPS5837969A
JPS5837969A JP56136663A JP13666381A JPS5837969A JP S5837969 A JPS5837969 A JP S5837969A JP 56136663 A JP56136663 A JP 56136663A JP 13666381 A JP13666381 A JP 13666381A JP S5837969 A JPS5837969 A JP S5837969A
Authority
JP
Japan
Prior art keywords
conductivity type
region
protection circuit
high concentration
circuit element
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.)
Granted
Application number
JP56136663A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0430194B2 (cs
Inventor
Takehide Shirato
猛英 白土
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP56136663A priority Critical patent/JPS5837969A/ja
Priority to US06/346,224 priority patent/US4602267A/en
Priority to EP82300764A priority patent/EP0058557B1/en
Priority to DE8282300764T priority patent/DE3270937D1/de
Publication of JPS5837969A publication Critical patent/JPS5837969A/ja
Publication of JPH0430194B2 publication Critical patent/JPH0430194B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00—Field-effect transistors [FET]
    • H10D30/60—Insulated-gate field-effect transistors [IGFET]

Landscapes

  • Amplifiers (AREA)
  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Protection Of Static Devices (AREA)
JP56136663A 1981-02-17 1981-08-31 保護回路素子 Granted JPS5837969A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP56136663A JPS5837969A (ja) 1981-08-31 1981-08-31 保護回路素子
US06/346,224 US4602267A (en) 1981-02-17 1982-02-05 Protection element for semiconductor device
EP82300764A EP0058557B1 (en) 1981-02-17 1982-02-16 Protection element for a semiconductor device
DE8282300764T DE3270937D1 (en) 1981-02-17 1982-02-16 Protection element for a semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56136663A JPS5837969A (ja) 1981-08-31 1981-08-31 保護回路素子

Publications (2)

Publication Number Publication Date
JPS5837969A true JPS5837969A (ja) 1983-03-05
JPH0430194B2 JPH0430194B2 (cs) 1992-05-21

Family

ID=15180581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56136663A Granted JPS5837969A (ja) 1981-02-17 1981-08-31 保護回路素子

Country Status (1)

Country Link
JP (1) JPS5837969A (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151469A (ja) * 1983-02-18 1984-08-29 Fujitsu Ltd 保護回路素子
JPS60117651A (ja) * 1983-11-29 1985-06-25 Fujitsu Ltd 高耐圧保護回路装置
JPS6269662A (ja) * 1985-09-24 1987-03-30 Toshiba Corp 半導体集積回路の保護回路
JPS6269661A (ja) * 1985-09-24 1987-03-30 Toshiba Corp 半導体集積回路の保護回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5164876A (ja) * 1974-12-03 1976-06-04 Nippon Electric Co Zetsuengeetogatadenkaikokahandotaisochinoseizohoho
JPS526470U (cs) * 1975-06-30 1977-01-18

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5164876A (ja) * 1974-12-03 1976-06-04 Nippon Electric Co Zetsuengeetogatadenkaikokahandotaisochinoseizohoho
JPS526470U (cs) * 1975-06-30 1977-01-18

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151469A (ja) * 1983-02-18 1984-08-29 Fujitsu Ltd 保護回路素子
JPS60117651A (ja) * 1983-11-29 1985-06-25 Fujitsu Ltd 高耐圧保護回路装置
JPS6269662A (ja) * 1985-09-24 1987-03-30 Toshiba Corp 半導体集積回路の保護回路
JPS6269661A (ja) * 1985-09-24 1987-03-30 Toshiba Corp 半導体集積回路の保護回路

Also Published As

Publication number Publication date
JPH0430194B2 (cs) 1992-05-21

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