JPH0438144B2 - - Google Patents

Info

Publication number
JPH0438144B2
JPH0438144B2 JP59229331A JP22933184A JPH0438144B2 JP H0438144 B2 JPH0438144 B2 JP H0438144B2 JP 59229331 A JP59229331 A JP 59229331A JP 22933184 A JP22933184 A JP 22933184A JP H0438144 B2 JPH0438144 B2 JP H0438144B2
Authority
JP
Japan
Prior art keywords
capacitor
cell
gate electrode
groove
electrode
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 - Lifetime
Application number
JP59229331A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61107768A (ja
Inventor
Taiji Ema
Takashi Yabu
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 JP59229331A priority Critical patent/JPS61107768A/ja
Publication of JPS61107768A publication Critical patent/JPS61107768A/ja
Publication of JPH0438144B2 publication Critical patent/JPH0438144B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H10B12/37—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells the capacitor being at least partially in a trench in the substrate
    • H10B12/377—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells the capacitor being at least partially in a trench in the substrate having a storage electrode extension located over the transistor
    • 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
    • H10B12/01—Manufacture or treatment
    • H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
    • H10B12/03—Making the capacitor or connections thereto
    • H10B12/038—Making the capacitor or connections thereto the capacitor being in a trench in the substrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Semiconductor Memories (AREA)
JP59229331A 1984-10-31 1984-10-31 半導体記憶装置 Granted JPS61107768A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59229331A JPS61107768A (ja) 1984-10-31 1984-10-31 半導体記憶装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59229331A JPS61107768A (ja) 1984-10-31 1984-10-31 半導体記憶装置

Publications (2)

Publication Number Publication Date
JPS61107768A JPS61107768A (ja) 1986-05-26
JPH0438144B2 true JPH0438144B2 (enrdf_load_stackoverflow) 1992-06-23

Family

ID=16890473

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59229331A Granted JPS61107768A (ja) 1984-10-31 1984-10-31 半導体記憶装置

Country Status (1)

Country Link
JP (1) JPS61107768A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62120070A (ja) * 1985-11-20 1987-06-01 Toshiba Corp 半導体記憶装置
JP2707538B2 (ja) * 1986-05-09 1998-01-28 セイコーエプソン株式会社 半導体装置の製造方法
JPH0691214B2 (ja) * 1986-11-15 1994-11-14 三菱電機株式会社 ダイナミック型半導体記憶装置
JPH01287956A (ja) * 1987-07-10 1989-11-20 Toshiba Corp 半導体記憶装置およびその製造方法
JP2838412B2 (ja) * 1988-06-10 1998-12-16 三菱電機株式会社 半導体記憶装置のキャパシタおよびその製造方法
JP2794750B2 (ja) * 1989-03-07 1998-09-10 日本電気株式会社 半導体メモリセルとその製造方法

Also Published As

Publication number Publication date
JPS61107768A (ja) 1986-05-26

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term