GB1340653A - Fet read-only storage matrix - Google Patents

Fet read-only storage matrix

Info

Publication number
GB1340653A
GB1340653A GB2434572A GB2434572A GB1340653A GB 1340653 A GB1340653 A GB 1340653A GB 2434572 A GB2434572 A GB 2434572A GB 2434572 A GB2434572 A GB 2434572A GB 1340653 A GB1340653 A GB 1340653A
Authority
GB
United Kingdom
Prior art keywords
type
constituting
substrate
read
strips
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
GB2434572A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1340653A publication Critical patent/GB1340653A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Semiconductor Memories (AREA)
GB2434572A 1971-06-05 1972-05-24 Fet read-only storage matrix Expired GB1340653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712128014 DE2128014A1 (de) 1971-06-05 1971-06-05 Halbleiterfestwertspeicher

Publications (1)

Publication Number Publication Date
GB1340653A true GB1340653A (en) 1973-12-12

Family

ID=5809957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2434572A Expired GB1340653A (en) 1971-06-05 1972-05-24 Fet read-only storage matrix

Country Status (3)

Country Link
DE (1) DE2128014A1 (enrdf_load_stackoverflow)
FR (1) FR2140542A1 (enrdf_load_stackoverflow)
GB (1) GB1340653A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2270795A (en) * 1992-09-18 1994-03-23 Texas Instruments Ltd Trimming integrated circuits

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1456608A (en) * 1973-08-23 1976-11-24 Ibm Read only memory
US4507757A (en) * 1982-03-23 1985-03-26 Texas Instruments Incorporated Avalanche fuse element in programmable memory
US4507756A (en) * 1982-03-23 1985-03-26 Texas Instruments Incorporated Avalanche fuse element as programmable device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2270795A (en) * 1992-09-18 1994-03-23 Texas Instruments Ltd Trimming integrated circuits
GB2270795B (en) * 1992-09-18 1995-02-15 Texas Instruments Ltd Improvements in or relating to the trimming of integrated circuits

Also Published As

Publication number Publication date
DE2128014B2 (enrdf_load_stackoverflow) 1978-10-05
DE2128014A1 (de) 1972-12-14
DE2128014C3 (enrdf_load_stackoverflow) 1979-05-31
FR2140542A1 (enrdf_load_stackoverflow) 1973-01-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees