JPS52185A - Semiconductor - Google Patents

Semiconductor

Info

Publication number
JPS52185A
JPS52185A JP50075570A JP7557075A JPS52185A JP S52185 A JPS52185 A JP S52185A JP 50075570 A JP50075570 A JP 50075570A JP 7557075 A JP7557075 A JP 7557075A JP S52185 A JPS52185 A JP S52185A
Authority
JP
Japan
Prior art keywords
layer
semiconductor
fabricate
forming
collector region
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
JP50075570A
Other languages
Japanese (ja)
Inventor
Kazuo Ito
Akio Anzai
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 JP50075570A priority Critical patent/JPS52185A/en
Publication of JPS52185A publication Critical patent/JPS52185A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/60—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D10/00 or H10D18/00, e.g. integration of BJTs
    • H10D84/65—Integrated injection logic

Landscapes

  • Bipolar Integrated Circuits (AREA)
  • Logic Circuits (AREA)

Abstract

PURPOSE:To fabricate IIL element having large hFE by forming P<-> layer of low impurity density compared with other P type layer immediately under collector region N<+> layer.
JP50075570A 1975-06-23 1975-06-23 Semiconductor Pending JPS52185A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50075570A JPS52185A (en) 1975-06-23 1975-06-23 Semiconductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50075570A JPS52185A (en) 1975-06-23 1975-06-23 Semiconductor

Publications (1)

Publication Number Publication Date
JPS52185A true JPS52185A (en) 1977-01-05

Family

ID=13579961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50075570A Pending JPS52185A (en) 1975-06-23 1975-06-23 Semiconductor

Country Status (1)

Country Link
JP (1) JPS52185A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61263148A (en) * 1986-01-10 1986-11-21 Toshiba Corp Semiconductor device
NL9402176A (en) * 1977-02-02 1995-06-01 Zaidan Hojin Handotai Kenkyu Semiconductor device
US6029447A (en) * 1995-02-21 2000-02-29 Stojic; Steven M. Spring brake actuator with filtered vent openings
US6378414B1 (en) 1999-06-28 2002-04-30 Tse Brakes, Inc. Removable filter cap for spring brake actuator
US6389954B1 (en) 1999-11-19 2002-05-21 Tse Brakes, Inc. Removable filter plug for spring brake actuator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9402176A (en) * 1977-02-02 1995-06-01 Zaidan Hojin Handotai Kenkyu Semiconductor device
JPS61263148A (en) * 1986-01-10 1986-11-21 Toshiba Corp Semiconductor device
US6029447A (en) * 1995-02-21 2000-02-29 Stojic; Steven M. Spring brake actuator with filtered vent openings
US6378414B1 (en) 1999-06-28 2002-04-30 Tse Brakes, Inc. Removable filter cap for spring brake actuator
US6389954B1 (en) 1999-11-19 2002-05-21 Tse Brakes, Inc. Removable filter plug for spring brake actuator

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