JP4549071B2 - 半導体装置 - Google Patents

半導体装置 Download PDF

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Publication number
JP4549071B2
JP4549071B2 JP2004019980A JP2004019980A JP4549071B2 JP 4549071 B2 JP4549071 B2 JP 4549071B2 JP 2004019980 A JP2004019980 A JP 2004019980A JP 2004019980 A JP2004019980 A JP 2004019980A JP 4549071 B2 JP4549071 B2 JP 4549071B2
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JP
Japan
Prior art keywords
diffusion layer
region
semiconductor device
layer
protection circuit
Prior art date
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Expired - Fee Related
Application number
JP2004019980A
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English (en)
Japanese (ja)
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JP2004282031A5 (enExample
JP2004282031A (ja
Inventor
文寿 山本
明夫 上西
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Renesas Electronics Corp
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Renesas Electronics Corp
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Application filed by Renesas Electronics Corp filed Critical Renesas Electronics Corp
Priority to JP2004019980A priority Critical patent/JP4549071B2/ja
Priority to TW093104537A priority patent/TWI235537B/zh
Publication of JP2004282031A publication Critical patent/JP2004282031A/ja
Publication of JP2004282031A5 publication Critical patent/JP2004282031A5/ja
Application granted granted Critical
Publication of JP4549071B2 publication Critical patent/JP4549071B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Bipolar Transistors (AREA)
  • Semiconductor Integrated Circuits (AREA)
JP2004019980A 2003-02-28 2004-01-28 半導体装置 Expired - Fee Related JP4549071B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004019980A JP4549071B2 (ja) 2003-02-28 2004-01-28 半導体装置
TW093104537A TWI235537B (en) 2003-02-28 2004-02-24 Semiconductor device with surge protection circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003052780 2003-02-28
JP2004019980A JP4549071B2 (ja) 2003-02-28 2004-01-28 半導体装置

Publications (3)

Publication Number Publication Date
JP2004282031A JP2004282031A (ja) 2004-10-07
JP2004282031A5 JP2004282031A5 (enExample) 2007-03-08
JP4549071B2 true JP4549071B2 (ja) 2010-09-22

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ID=33301862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004019980A Expired - Fee Related JP4549071B2 (ja) 2003-02-28 2004-01-28 半導体装置

Country Status (1)

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JP (1) JP4549071B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5711000B2 (ja) * 2011-02-16 2015-04-30 ラピスセミコンダクタ株式会社 過電圧保護回路及び半導体集積回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017974A (enExample) * 1973-06-18 1975-02-25
IT1253682B (it) * 1991-09-12 1995-08-22 Sgs Thomson Microelectronics Struttura di protezione dalle scariche elettrostatiche

Also Published As

Publication number Publication date
JP2004282031A (ja) 2004-10-07

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