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GB2004156B - Semiconductor devices - Google Patents

Semiconductor devices

Info

Publication number
GB2004156B
GB2004156B GB7837236A GB7837236A GB2004156B GB 2004156 B GB2004156 B GB 2004156B GB 7837236 A GB7837236 A GB 7837236A GB 7837236 A GB7837236 A GB 7837236A GB 2004156 B GB2004156 B GB 2004156B
Authority
GB
United Kingdom
Prior art keywords
semiconductor devices
semiconductor
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
GB7837236A
Other versions
GB2004156A (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.)
GE Healthcare UK Ltd
Original Assignee
GE Healthcare UK Ltd
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 GE Healthcare UK Ltd filed Critical GE Healthcare UK Ltd
Priority to GB7837236A priority Critical patent/GB2004156B/en
Publication of GB2004156A publication Critical patent/GB2004156A/en
Application granted granted Critical
Publication of GB2004156B publication Critical patent/GB2004156B/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/04Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0466Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells with charge storage in an insulating layer, e.g. metal-nitride-oxide-silicon [MNOS], silicon-oxide-nitride-oxide-silicon [SONOS]
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B69/00Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • H10D30/69IGFETs having charge trapping gate insulators, e.g. MNOS transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Read Only Memory (AREA)
  • Non-Volatile Memory (AREA)
GB7837236A 1977-08-26 1978-09-18 Semiconductor devices Expired GB2004156B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7837236A GB2004156B (en) 1977-08-26 1978-09-18 Semiconductor devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3598677 1977-08-26
GB7837236A GB2004156B (en) 1977-08-26 1978-09-18 Semiconductor devices

Publications (2)

Publication Number Publication Date
GB2004156A GB2004156A (en) 1979-03-21
GB2004156B true GB2004156B (en) 1982-05-26

Family

ID=26262939

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7837236A Expired GB2004156B (en) 1977-08-26 1978-09-18 Semiconductor devices

Country Status (1)

Country Link
GB (1) GB2004156B (en)

Also Published As

Publication number Publication date
GB2004156A (en) 1979-03-21

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970918