GB2068168B - Bipolar transistors - Google Patents

Bipolar transistors

Info

Publication number
GB2068168B
GB2068168B GB8002703A GB8002703A GB2068168B GB 2068168 B GB2068168 B GB 2068168B GB 8002703 A GB8002703 A GB 8002703A GB 8002703 A GB8002703 A GB 8002703A GB 2068168 B GB2068168 B GB 2068168B
Authority
GB
United Kingdom
Prior art keywords
bipolar transistors
bipolar
transistors
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.)
Expired
Application number
GB8002703A
Other versions
GB2068168A (en
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Priority to GB8002703A priority Critical patent/GB2068168B/en
Publication of GB2068168A publication Critical patent/GB2068168A/en
Application granted granted Critical
Publication of GB2068168B publication Critical patent/GB2068168B/en
Expired 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
    • H01L21/76—Making of isolation regions between components
    • H01L21/764—Air gaps
    • 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
    • H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
    • H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
    • H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
    • H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
    • H01L21/8222—Bipolar technology
GB8002703A 1980-01-26 1980-01-26 Bipolar transistors Expired GB2068168B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8002703A GB2068168B (en) 1980-01-26 1980-01-26 Bipolar transistors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8002703A GB2068168B (en) 1980-01-26 1980-01-26 Bipolar transistors

Publications (2)

Publication Number Publication Date
GB2068168A GB2068168A (en) 1981-08-05
GB2068168B true GB2068168B (en) 1983-08-17

Family

ID=10510920

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8002703A Expired GB2068168B (en) 1980-01-26 1980-01-26 Bipolar transistors

Country Status (1)

Country Link
GB (1) GB2068168B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07105497B2 (en) * 1990-01-31 1995-11-13 新技術事業団 Semiconductor device and manufacturing method thereof

Also Published As

Publication number Publication date
GB2068168A (en) 1981-08-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee