GB1373996A - Method of manufacturing a fixed value store - Google Patents

Method of manufacturing a fixed value store

Info

Publication number
GB1373996A
GB1373996A GB283272A GB283272A GB1373996A GB 1373996 A GB1373996 A GB 1373996A GB 283272 A GB283272 A GB 283272A GB 283272 A GB283272 A GB 283272A GB 1373996 A GB1373996 A GB 1373996A
Authority
GB
United Kingdom
Prior art keywords
devices
rays
fixed value
jan
value store
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
GB283272A
Other languages
English (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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of GB1373996A publication Critical patent/GB1373996A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00—Electrodes of devices having potential barriers
    • H10D64/60—Electrodes characterised by their materials
    • H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
    • H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/08—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements
    • G11C17/10—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM
    • G11C17/12—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM using field-effect devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B20/00—Read-only memory [ROM] devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D99/00—Subject matter not provided for in other groups of this subclass
    • H10W74/43—

Landscapes

  • Semiconductor Memories (AREA)
  • Read Only Memory (AREA)
  • Non-Volatile Memory (AREA)
  • Semiconductor Integrated Circuits (AREA)
GB283272A 1971-01-21 1972-01-20 Method of manufacturing a fixed value store Expired GB1373996A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2102854A DE2102854C3 (de) 1971-01-21 1971-01-21 Verfahren zur Herstellung eines Festwertspeichers

Publications (1)

Publication Number Publication Date
GB1373996A true GB1373996A (en) 1974-11-13

Family

ID=5796572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB283272A Expired GB1373996A (en) 1971-01-21 1972-01-20 Method of manufacturing a fixed value store

Country Status (8)

Country Link
JP (1) JPS5716440B1 (enExample)
BE (1) BE778166A (enExample)
DE (1) DE2102854C3 (enExample)
FR (1) FR2122557B1 (enExample)
GB (1) GB1373996A (enExample)
IT (1) IT946699B (enExample)
LU (1) LU64616A1 (enExample)
NL (1) NL7115829A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064495A (en) * 1976-03-22 1977-12-20 General Electric Company Ion implanted archival memory media and methods for storage of data therein
DE3036869C2 (de) * 1979-10-01 1985-09-05 Hitachi, Ltd., Tokio/Tokyo Integrierte Halbleiterschaltung und Schaltkreisaktivierverfahren
US4476478A (en) * 1980-04-24 1984-10-09 Tokyo Shibaura Denki Kabushiki Kaisha Semiconductor read only memory and method of making the same
FR2551247B1 (fr) * 1983-08-23 1988-06-17 Rosencher Emmanuel Memoire integree non volatile reinscriptible, procede de fabrication de cette memoire et dispositif d'ecriture dans celle-ci

Also Published As

Publication number Publication date
JPS5716440B1 (enExample) 1982-04-05
FR2122557A1 (enExample) 1972-09-01
LU64616A1 (enExample) 1972-06-26
IT946699B (it) 1973-05-21
NL7115829A (enExample) 1972-07-25
FR2122557B1 (enExample) 1976-07-09
DE2102854C3 (de) 1973-10-11
DE2102854A1 (de) 1972-08-03
BE778166A (fr) 1972-05-16
DE2102854B2 (de) 1973-03-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee