FR2140542A1 - - Google Patents

Info

Publication number
FR2140542A1
FR2140542A1 FR7220515A FR7220515A FR2140542A1 FR 2140542 A1 FR2140542 A1 FR 2140542A1 FR 7220515 A FR7220515 A FR 7220515A FR 7220515 A FR7220515 A FR 7220515A FR 2140542 A1 FR2140542 A1 FR 2140542A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7220515A
Other languages
French (fr)
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 FR2140542A1 publication Critical patent/FR2140542A1/fr
Withdrawn legal-status Critical Current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
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B20/00—Read-only memory [ROM] devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Semiconductor Memories (AREA)
FR7220515A 1971-06-05 1972-06-01 Withdrawn FR2140542A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712128014 DE2128014A1 (en) 1971-06-05 1971-06-05 Solid state memory

Publications (1)

Publication Number Publication Date
FR2140542A1 true FR2140542A1 (en) 1973-01-19

Family

ID=5809957

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7220515A Withdrawn FR2140542A1 (en) 1971-06-05 1972-06-01

Country Status (3)

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

Families Citing this family (4)

* 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
US4507756A (en) * 1982-03-23 1985-03-26 Texas Instruments Incorporated Avalanche fuse element as programmable device
US4507757A (en) * 1982-03-23 1985-03-26 Texas Instruments Incorporated Avalanche fuse element in programmable memory
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
GB1340653A (en) 1973-12-12
DE2128014A1 (en) 1972-12-14
DE2128014C3 (en) 1979-05-31
DE2128014B2 (en) 1978-10-05

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Legal Events

Date Code Title Description
ST Notification of lapse