GB2098397A - Semiconductor memory device - Google Patents

Semiconductor memory device Download PDF

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Publication number
GB2098397A
GB2098397A GB8212113A GB8212113A GB2098397A GB 2098397 A GB2098397 A GB 2098397A GB 8212113 A GB8212113 A GB 8212113A GB 8212113 A GB8212113 A GB 8212113A GB 2098397 A GB2098397 A GB 2098397A
Authority
GB
United Kingdom
Prior art keywords
film
capacitor
semiconductor substrate
region
layer
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.)
Withdrawn
Application number
GB8212113A
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB2098397A publication Critical patent/GB2098397A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00—Electrodes of devices having potential barriers
    • H10D64/60—Electrodes characterised by their materials
    • H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
    • H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
    • H10D64/681—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator having a compositional variation, e.g. multilayered
    • H10D64/685—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator having a compositional variation, e.g. multilayered being perpendicular to the channel plane
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10B—ELECTRONIC MEMORY DEVICES
    • H10B12/00—Dynamic random access memory [DRAM] devices
    • H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00—Electrodes of devices having potential barriers
    • H10D64/60—Electrodes characterised by their materials
    • H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
    • H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
    • H10D64/693—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator the insulator comprising nitrogen, e.g. nitrides, oxynitrides or nitrogen-doped materials
    • H10D64/01346—

Landscapes

  • Semiconductor Integrated Circuits (AREA)
  • Semiconductor Memories (AREA)
GB8212113A 1981-05-13 1982-04-27 Semiconductor memory device Withdrawn GB2098397A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56070732A JPS57186354A (en) 1981-05-13 1981-05-13 Semiconductor memory storage and manufacture thereof

Publications (1)

Publication Number Publication Date
GB2098397A true GB2098397A (en) 1982-11-17

Family

ID=13439994

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8212113A Withdrawn GB2098397A (en) 1981-05-13 1982-04-27 Semiconductor memory device

Country Status (6)

Country Link
JP (1) JPS57186354A (enExample)
KR (1) KR840000082A (enExample)
DE (1) DE3217896A1 (enExample)
FR (1) FR2506058A1 (enExample)
GB (1) GB2098397A (enExample)
IT (1) IT1152129B (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3330046A1 (de) * 1982-09-22 1984-03-22 Hitachi, Ltd., Tokyo Halbleiterspeicher
FR2543348A1 (fr) * 1983-03-23 1984-09-28 Hitachi Ltd Dispositif de memoire a semi-conducteurs, notamment cellule fictive d'une memoire dynamique a acces direct ou aleatoire
EP0148620A1 (en) * 1983-12-27 1985-07-17 Kabushiki Kaisha Toshiba Image sensing device
EP0159824A3 (en) * 1984-03-30 1987-04-01 Kabushiki Kaisha Toshiba Semiconductor device with recessed capacitor
EP0299525A3 (en) * 1987-07-16 1990-02-07 Nec Corporation Semiconductor memory device with improved capacitor structure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2519461A1 (fr) * 1982-01-06 1983-07-08 Hitachi Ltd Dispositif de memoire a semi-conducteurs et procede de fabrication d'un tel dispositif
JPS58181319A (ja) * 1982-04-19 1983-10-24 Hitachi Ltd タイミング発生回路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2130908A1 (de) * 1970-06-22 1971-12-30 Cogar Corp Speicherzelle mit Metalloxidhalbleiter-Einrichtungen mit verschiedenen Steilheiten
DE2646245A1 (de) * 1975-10-28 1977-05-05 Motorola Inc Speicherschaltung
DE2633558C2 (de) * 1976-07-26 1978-08-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Speicherbaustein
JPS53112686A (en) * 1977-03-14 1978-10-02 Oki Electric Ind Co Ltd Manufacture for semiconductor device
JPS5559759A (en) * 1978-10-27 1980-05-06 Hitachi Ltd Semiconductor device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3330046A1 (de) * 1982-09-22 1984-03-22 Hitachi, Ltd., Tokyo Halbleiterspeicher
FR2543348A1 (fr) * 1983-03-23 1984-09-28 Hitachi Ltd Dispositif de memoire a semi-conducteurs, notamment cellule fictive d'une memoire dynamique a acces direct ou aleatoire
EP0148620A1 (en) * 1983-12-27 1985-07-17 Kabushiki Kaisha Toshiba Image sensing device
EP0159824A3 (en) * 1984-03-30 1987-04-01 Kabushiki Kaisha Toshiba Semiconductor device with recessed capacitor
EP0299525A3 (en) * 1987-07-16 1990-02-07 Nec Corporation Semiconductor memory device with improved capacitor structure

Also Published As

Publication number Publication date
FR2506058B1 (enExample) 1985-04-12
KR840000082A (ko) 1984-01-30
IT1152129B (it) 1986-12-31
JPS57186354A (en) 1982-11-16
FR2506058A1 (fr) 1982-11-19
IT8221211A0 (it) 1982-05-12
DE3217896A1 (de) 1983-05-26

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)