JPS5429985A - Semiconductor nonvolatile memory device - Google Patents

Semiconductor nonvolatile memory device

Info

Publication number
JPS5429985A
JPS5429985A JP9583277A JP9583277A JPS5429985A JP S5429985 A JPS5429985 A JP S5429985A JP 9583277 A JP9583277 A JP 9583277A JP 9583277 A JP9583277 A JP 9583277A JP S5429985 A JPS5429985 A JP S5429985A
Authority
JP
Japan
Prior art keywords
nonvolatile memory
memory device
semiconductor nonvolatile
avalanche
trap
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.)
Pending
Application number
JP9583277A
Other languages
Japanese (ja)
Inventor
Shinpei Tsuchiya
Takashi Ito
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP9583277A priority Critical patent/JPS5429985A/en
Publication of JPS5429985A publication Critical patent/JPS5429985A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof  ; Multistep manufacturing processes therefor
    • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
    • H01L29/76—Unipolar devices, e.g. field effect transistors
    • H01L29/772—Field effect transistors
    • H01L29/78—Field effect transistors with field effect produced by an insulated gate
    • H01L29/792—Field effect transistors with field effect produced by an insulated gate with charge trapping gate insulator, e.g. MNOS-memory transistors

Abstract

PURPOSE:To obtain a nonvolatile memory which is able to inject hot carriers due to an avalanche to a trap in a gate insulating film and does not require a high voltage for writing.
JP9583277A 1977-08-10 1977-08-10 Semiconductor nonvolatile memory device Pending JPS5429985A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9583277A JPS5429985A (en) 1977-08-10 1977-08-10 Semiconductor nonvolatile memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9583277A JPS5429985A (en) 1977-08-10 1977-08-10 Semiconductor nonvolatile memory device

Publications (1)

Publication Number Publication Date
JPS5429985A true JPS5429985A (en) 1979-03-06

Family

ID=14148350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9583277A Pending JPS5429985A (en) 1977-08-10 1977-08-10 Semiconductor nonvolatile memory device

Country Status (1)

Country Link
JP (1) JPS5429985A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60211001A (en) * 1984-03-12 1985-10-23 マンネスマン・アクチエンゲゼルシヤフト Method and apparatus for producing hot processing tool
JPS61296948A (en) * 1985-06-24 1986-12-27 Sumitomo Electric Ind Ltd Production of casting ingot
JPS626759A (en) * 1985-07-01 1987-01-13 Sumitomo Electric Ind Ltd Production of reinforced composite metal
JPS62282765A (en) * 1985-03-25 1987-12-08 オスピリ−．メタルス．リミテツド Casting method
US5305816A (en) * 1991-06-21 1994-04-26 Sumitomo Heavy Industries, Ltd. Method of producing long size preform using spray deposit

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60211001A (en) * 1984-03-12 1985-10-23 マンネスマン・アクチエンゲゼルシヤフト Method and apparatus for producing hot processing tool
JPH0253481B2 (en) * 1984-03-12 1990-11-16 Mannesmann Ag
JPS62282765A (en) * 1985-03-25 1987-12-08 オスピリ−．メタルス．リミテツド Casting method
JPS61296948A (en) * 1985-06-24 1986-12-27 Sumitomo Electric Ind Ltd Production of casting ingot
JPS626759A (en) * 1985-07-01 1987-01-13 Sumitomo Electric Ind Ltd Production of reinforced composite metal
US5305816A (en) * 1991-06-21 1994-04-26 Sumitomo Heavy Industries, Ltd. Method of producing long size preform using spray deposit

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