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GB2243716B - Self-aligned,planar heterojunction bipolar transistor and method of forming the same - Google Patents

Self-aligned,planar heterojunction bipolar transistor and method of forming the same

Info

Publication number
GB2243716B
GB2243716BGB8924432AGB8924432AGB2243716BGB 2243716 BGB2243716 BGB 2243716BGB 8924432 AGB8924432 AGB 8924432AGB 8924432 AGB8924432 AGB 8924432AGB 2243716 BGB2243716 BGB 2243716B
Authority
GB
United Kingdom
Prior art keywords
aligned
self
forming
same
bipolar transistor
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 - Lifetime
Application number
GB8924432A
Other versions
GB2243716A (en
GB8924432D0 (en
Inventor
Marion D Clark
William E Stanchina
K Vaidyanathan
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft CofiledCriticalHughes Aircraft Co
Publication of GB8924432D0publicationCriticalpatent/GB8924432D0/en
Publication of GB2243716ApublicationCriticalpatent/GB2243716A/en
Application grantedgrantedCritical
Publication of GB2243716BpublicationCriticalpatent/GB2243716B/en
Anticipated expirationlegal-statusCritical
Expired - Lifetimelegal-statusCriticalCurrent

Links

Classifications

GB8924432A1988-11-021989-10-31Self-aligned,planar heterojunction bipolar transistor and method of forming the sameExpired - LifetimeGB2243716B (en)

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
US26627888A1988-11-021988-11-02

Publications (3)

Publication NumberPublication Date
GB8924432D0 GB8924432D0 (en)1991-08-21
GB2243716A GB2243716A (en)1991-11-06
GB2243716Btrue GB2243716B (en)1993-05-05

Family

ID=23013915

Family Applications (1)

Application NumberTitlePriority DateFiling Date
GB8924432AExpired - LifetimeGB2243716B (en)1988-11-021989-10-31Self-aligned,planar heterojunction bipolar transistor and method of forming the same

Country Status (1)

CountryLink
GB (1)GB2243716B (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
GB2010580A (en)*1977-11-141979-06-27Tokyo Shibaura Electric CoMethod for manufacturing a semiconductor device
EP0004292A2 (en)*1978-03-271979-10-03International Business Machines CorporationProcess of making a MESA bipolar transistor with self-aligned base and emitter regions
EP0199497A2 (en)*1985-04-101986-10-29Fujitsu LimitedProcess for fabricating a self-aligned bipolar transistor
EP0206787A2 (en)*1985-06-211986-12-30Matsushita Electric Industrial Co., Ltd.Heterojunction bipolar transistor and method of manufacturing same
GB2179792A (en)*1985-08-281987-03-11Mitsubishi Electric CorpBipolar transistor
US4683487A (en)*1984-11-091987-07-28Hitachi, Ltd.Heterojunction bipolar transistor
EP0255882A2 (en)*1986-08-071988-02-17Siemens AktiengesellschaftNpn bipolar transistor with extremely thin emitter/base structure and method for manufacturing the same
EP0289343A1 (en)*1987-04-301988-11-02Sony CorporationHeterojunction bipolar transistors
EP0312965A2 (en)*1987-10-231989-04-26Siemens AktiengesellschaftMethod of producing a planar self-aligned heterojunction bipolar transistor
EP0335720A2 (en)*1988-03-301989-10-04Kabushiki Kaisha ToshibaBipolar transistor device and method of manufacturing the same
EP0367698A2 (en)*1988-10-311990-05-09International Business Machines CorporationHeretojunction bipolar transistor

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
GB2010580A (en)*1977-11-141979-06-27Tokyo Shibaura Electric CoMethod for manufacturing a semiconductor device
EP0004292A2 (en)*1978-03-271979-10-03International Business Machines CorporationProcess of making a MESA bipolar transistor with self-aligned base and emitter regions
US4683487A (en)*1984-11-091987-07-28Hitachi, Ltd.Heterojunction bipolar transistor
EP0199497A2 (en)*1985-04-101986-10-29Fujitsu LimitedProcess for fabricating a self-aligned bipolar transistor
EP0206787A2 (en)*1985-06-211986-12-30Matsushita Electric Industrial Co., Ltd.Heterojunction bipolar transistor and method of manufacturing same
GB2179792A (en)*1985-08-281987-03-11Mitsubishi Electric CorpBipolar transistor
EP0255882A2 (en)*1986-08-071988-02-17Siemens AktiengesellschaftNpn bipolar transistor with extremely thin emitter/base structure and method for manufacturing the same
EP0289343A1 (en)*1987-04-301988-11-02Sony CorporationHeterojunction bipolar transistors
EP0312965A2 (en)*1987-10-231989-04-26Siemens AktiengesellschaftMethod of producing a planar self-aligned heterojunction bipolar transistor
EP0335720A2 (en)*1988-03-301989-10-04Kabushiki Kaisha ToshibaBipolar transistor device and method of manufacturing the same
EP0367698A2 (en)*1988-10-311990-05-09International Business Machines CorporationHeretojunction bipolar transistor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Applied physics letter, Vol.52 No10, 7 March 1988,pp822-824.*
GaAs Integrated Circuit Symposium,1EEE Technical Digest 1985catalogue No.85CH2182,pp53-56*

Also Published As

Publication numberPublication date
GB2243716A (en)1991-11-06
GB8924432D0 (en)1991-08-21

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Legal Events

DateCodeTitleDescription
732EAmendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20Patent expired after termination of 20 years

Expiry date:20091030


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