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

Applications Claiming Priority (1)

Publications (2)

Family

ID=25003811

Family Applications (1)

Country Status (3)

Family Cites Families (1)

• 1977
  • 1977-10-18 FR FR7732159A patent/FR2373164A1/fr active Granted
  • 1977-10-26 JP JP12770577A patent/JPS5369553A/ja active Pending
• 1978
  • 1978-04-24 US US05/899,615 patent/UST977006I4/en active Pending

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