GB1474745A - Nonvolatile semiconductor memory - Google Patents

Nonvolatile semiconductor memory

Info

Publication number
GB1474745A
GB1474745A GB3924474A GB3924474A GB1474745A GB 1474745 A GB1474745 A GB 1474745A GB 3924474 A GB3924474 A GB 3924474A GB 3924474 A GB3924474 A GB 3924474A GB 1474745 A GB1474745 A GB 1474745A
Authority
GB
United Kingdom
Prior art keywords
source
drain
region
substrate
depletion
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
GB3924474A
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB1474745A publication Critical patent/GB1474745A/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
    • H10D30/00—Field-effect transistors [FET]
    • H10D30/60—Insulated-gate field-effect transistors [IGFET]
    • H10D30/69—IGFETs having charge trapping gate insulators, e.g. MNOS transistors
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0466—Erasable 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Volatile Memory (AREA)
  • Semiconductor Memories (AREA)
GB3924474A 1973-09-21 1974-09-09 Nonvolatile semiconductor memory Expired GB1474745A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10679373A JPS5613029B2 (enrdf_load_stackoverflow) 1973-09-21 1973-09-21

Publications (1)

Publication Number Publication Date
GB1474745A true GB1474745A (en) 1977-05-25

Family

ID=14442758

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3924474A Expired GB1474745A (en) 1973-09-21 1974-09-09 Nonvolatile semiconductor memory

Country Status (4)

Country Link
JP (1) JPS5613029B2 (enrdf_load_stackoverflow)
CA (1) CA1060993A (enrdf_load_stackoverflow)
DE (1) DE2444906C3 (enrdf_load_stackoverflow)
GB (1) GB1474745A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5458376A (en) * 1977-10-19 1979-05-11 Agency Of Ind Science & Technol Semiconductor memory unit and its writing method
US4375087C1 (en) * 1980-04-09 2002-01-01 Hughes Aircraft Co Electrically erasable programmable read-only memory

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1175601A (en) * 1966-03-28 1969-12-23 Matsushita Electronics Corp Insulated-Gate Field-Effect Transistor
DE2201028C3 (de) * 1971-01-15 1981-07-09 Intel Corp., Mountain View, Calif. Verfahren zum Betrieb eines Feldeffekttransistors und Feldeffekttransistor zur Ausübung dieses Verfahrens

Also Published As

Publication number Publication date
JPS5613029B2 (enrdf_load_stackoverflow) 1981-03-25
JPS5057779A (enrdf_load_stackoverflow) 1975-05-20
DE2444906C3 (de) 1982-02-04
CA1060993A (en) 1979-08-21
DE2444906A1 (de) 1975-04-24
DE2444906B2 (de) 1981-05-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee