GB2144911B - Memory devices - Google Patents

Memory devices

Info

Publication number
GB2144911B
GB2144911B GB08419172A GB8419172A GB2144911B GB 2144911 B GB2144911 B GB 2144911B GB 08419172 A GB08419172 A GB 08419172A GB 8419172 A GB8419172 A GB 8419172A GB 2144911 B GB2144911 B GB 2144911B
Authority
GB
United Kingdom
Prior art keywords
memory devices
memory
devices
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
GB08419172A
Other versions
GB8419172D0 (en
GB2144911A (en
Inventor
Janos Hajto
Wee Kiong Choi
Alan Ernest Owen
Peter George Lecomber
Walter Eric Spear
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.)
BP PLC
Original Assignee
BP 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 BP PLC filed Critical BP PLC
Publication of GB8419172D0 publication Critical patent/GB8419172D0/en
Publication of GB2144911A publication Critical patent/GB2144911A/en
Application granted granted Critical
Publication of GB2144911B publication Critical patent/GB2144911B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof  ; Multistep manufacturing processes therefor
    • H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/04—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes
    • 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
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
    • H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/326—Application of electric currents or fields, e.g. for electroforming
GB08419172A 1983-08-06 1984-07-27 Memory devices Expired GB2144911B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838321254A GB8321254D0 (en) 1983-08-06 1983-08-06 Memory devices

Publications (3)

Publication Number Publication Date
GB8419172D0 GB8419172D0 (en) 1984-08-30
GB2144911A GB2144911A (en) 1985-03-13
GB2144911B true GB2144911B (en) 1987-02-04

Family

ID=10546938

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838321254A Pending GB8321254D0 (en) 1983-08-06 1983-08-06 Memory devices
GB08419172A Expired GB2144911B (en) 1983-08-06 1984-07-27 Memory devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838321254A Pending GB8321254D0 (en) 1983-08-06 1983-08-06 Memory devices

Country Status (1)

Country Link
GB (2) GB8321254D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3914055A1 (en) * 1989-04-28 1990-10-31 Thomson Brandt Gmbh Semiconductor component with silicon disc - has circuit on either side of disc i.e. EPROM RAM etc.
GB8910854D0 (en) * 1989-05-11 1989-06-28 British Petroleum Co Plc Semiconductor device

Also Published As

Publication number Publication date
GB8419172D0 (en) 1984-08-30
GB8321254D0 (en) 1983-09-07
GB2144911A (en) 1985-03-13

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Legal Events

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

Effective date: 19930727