JPS5772345A - Semiconductor integrated circuit - Google Patents

Semiconductor integrated circuit

Info

Publication number
JPS5772345A
JPS5772345A JP55148399A JP14839980A JPS5772345A JP S5772345 A JPS5772345 A JP S5772345A JP 55148399 A JP55148399 A JP 55148399A JP 14839980 A JP14839980 A JP 14839980A JP S5772345 A JPS5772345 A JP S5772345A
Authority
JP
Japan
Prior art keywords
layer
impurity concentration
adjoins
ohmic contact
semiconductor layer
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
JP55148399A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0214781B2 (en]
Inventor
Toshikatsu Shirasawa
Shigeru Takahashi
Kiyoshi Tsukuda
Yoshikazu Hosokawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP55148399A priority Critical patent/JPS5772345A/ja
Publication of JPS5772345A publication Critical patent/JPS5772345A/ja
Publication of JPH0214781B2 publication Critical patent/JPH0214781B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/74—Making of localized buried regions, e.g. buried collector layers, internal connections substrate contacts

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Bipolar Transistors (AREA)
  • Thyristors (AREA)
  • Element Separation (AREA)
  • Bipolar Integrated Circuits (AREA)
JP55148399A 1980-10-24 1980-10-24 Semiconductor integrated circuit Granted JPS5772345A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55148399A JPS5772345A (en) 1980-10-24 1980-10-24 Semiconductor integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55148399A JPS5772345A (en) 1980-10-24 1980-10-24 Semiconductor integrated circuit

Publications (2)

Publication Number Publication Date
JPS5772345A true JPS5772345A (en) 1982-05-06
JPH0214781B2 JPH0214781B2 (en]) 1990-04-10

Family

ID=15451908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55148399A Granted JPS5772345A (en) 1980-10-24 1980-10-24 Semiconductor integrated circuit

Country Status (1)

Country Link
JP (1) JPS5772345A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007201202A (ja) * 2006-01-26 2007-08-09 Toyota Central Res & Dev Lab Inc 静電気保護用半導体装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0397880U (en]) * 1990-01-26 1991-10-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007201202A (ja) * 2006-01-26 2007-08-09 Toyota Central Res & Dev Lab Inc 静電気保護用半導体装置

Also Published As

Publication number Publication date
JPH0214781B2 (en]) 1990-04-10

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