JPS52116086A - Semiconductor device - Google Patents

Semiconductor device

Info

Publication number
JPS52116086A
JPS52116086A JP3333576A JP3333576A JPS52116086A JP S52116086 A JPS52116086 A JP S52116086A JP 3333576 A JP3333576 A JP 3333576A JP 3333576 A JP3333576 A JP 3333576A JP S52116086 A JPS52116086 A JP S52116086A
Authority
JP
Japan
Prior art keywords
semiconductor device
concentration
improve
transistor
making
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
JP3333576A
Other languages
Japanese (ja)
Inventor
Tamotsu Ishikawa
Tsuneo Funatsu
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 JP3333576A priority Critical patent/JPS52116086A/en
Publication of JPS52116086A publication Critical patent/JPS52116086A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/0203—Particular design considerations for integrated circuits
    • H01L27/0214—Particular design considerations for integrated circuits for internal polarisation, e.g. I2L
    • H01L27/0229—Particular design considerations for integrated circuits for internal polarisation, e.g. I2L of bipolar structures
    • H01L27/0233—Integrated injection logic structures [I2L]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Bipolar Transistors (AREA)
  • Bipolar Integrated Circuits (AREA)

Abstract

PURPOSE:To improve alpha1 of a longitudinal npn type transistor by making higher the concentration of impurities in the epitaxial layer on a n<+> type substrate and improve the characteristics of I<2>L by making lower the concentration of the base in transverse pup transistor.
JP3333576A 1976-03-25 1976-03-25 Semiconductor device Pending JPS52116086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3333576A JPS52116086A (en) 1976-03-25 1976-03-25 Semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3333576A JPS52116086A (en) 1976-03-25 1976-03-25 Semiconductor device

Publications (1)

Publication Number Publication Date
JPS52116086A true JPS52116086A (en) 1977-09-29

Family

ID=12383677

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3333576A Pending JPS52116086A (en) 1976-03-25 1976-03-25 Semiconductor device

Country Status (1)

Country Link
JP (1) JPS52116086A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57113272A (en) * 1980-12-29 1982-07-14 Pioneer Electronic Corp I2l integrated circuit device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57113272A (en) * 1980-12-29 1982-07-14 Pioneer Electronic Corp I2l integrated circuit device

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