DE3579454D1 - In einem graben hergestellter hochleistungskondensator fuer dram-zellen. - Google Patents

In einem graben hergestellter hochleistungskondensator fuer dram-zellen.

Info

Publication number
DE3579454D1
DE3579454D1 DE8585905991T DE3579454T DE3579454D1 DE 3579454 D1 DE3579454 D1 DE 3579454D1 DE 8585905991 T DE8585905991 T DE 8585905991T DE 3579454 T DE3579454 T DE 3579454T DE 3579454 D1 DE3579454 D1 DE 3579454D1
Authority
DE
Germany
Prior art keywords
trench
dram cells
cells made
performance capacitor
capacitor
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 - Fee Related
Application number
DE8585905991T
Other languages
German (de)
English (en)
Inventor
Joseph Lebowitz
Thomas Lynch
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Application granted granted Critical
Publication of DE3579454D1 publication Critical patent/DE3579454D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P32/00—Diffusion of dopants within, into or out of wafers, substrates or parts of devices
    • H10P32/10—Diffusion of dopants within, into or out of semiconductor bodies or layers
    • H10P32/14—Diffusion of dopants within, into or out of semiconductor bodies or layers within a single semiconductor body or layer in a solid phase; between different semiconductor bodies or layers, both in a solid phase
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D1/00—Resistors, capacitors or inductors
    • H10D1/60—Capacitors
    • H10D1/62—Capacitors having potential barriers
    • H10D1/66—Conductor-insulator-semiconductor capacitors, e.g. MOS capacitors
    • H10D1/665—Trench conductor-insulator-semiconductor capacitors, e.g. trench MOS capacitors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P32/00—Diffusion of dopants within, into or out of wafers, substrates or parts of devices
    • H10P32/10—Diffusion of dopants within, into or out of semiconductor bodies or layers
    • H10P32/14—Diffusion of dopants within, into or out of semiconductor bodies or layers within a single semiconductor body or layer in a solid phase; between different semiconductor bodies or layers, both in a solid phase
    • H10P32/1408—Diffusion of dopants within, into or out of semiconductor bodies or layers within a single semiconductor body or layer in a solid phase; between different semiconductor bodies or layers, both in a solid phase from or through or into an external applied layer, e.g. photoresist or nitride layers
    • H10P32/1414—Diffusion of dopants within, into or out of semiconductor bodies or layers within a single semiconductor body or layer in a solid phase; between different semiconductor bodies or layers, both in a solid phase from or through or into an external applied layer, e.g. photoresist or nitride layers the applied layer being silicon, silicide or SIPOS, e.g. polysilicon or porous silicon
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P32/00—Diffusion of dopants within, into or out of wafers, substrates or parts of devices
    • H10P32/10—Diffusion of dopants within, into or out of semiconductor bodies or layers
    • H10P32/17—Diffusion of dopants within, into or out of semiconductor bodies or layers characterised by the semiconductor material
    • H10P32/171—Diffusion of dopants within, into or out of semiconductor bodies or layers characterised by the semiconductor material being group IV material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/109—Memory devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Semiconductor Memories (AREA)
  • Semiconductor Integrated Circuits (AREA)
DE8585905991T 1984-11-30 1985-11-11 In einem graben hergestellter hochleistungskondensator fuer dram-zellen. Expired - Fee Related DE3579454D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/676,677 US4694561A (en) 1984-11-30 1984-11-30 Method of making high-performance trench capacitors for DRAM cells
PCT/US1985/002234 WO1986003333A2 (en) 1984-11-30 1985-11-11 High-performance trench capacitors for dram cells

Publications (1)

Publication Number Publication Date
DE3579454D1 true DE3579454D1 (de) 1990-10-04

Family

ID=24715497

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585905991T Expired - Fee Related DE3579454D1 (de) 1984-11-30 1985-11-11 In einem graben hergestellter hochleistungskondensator fuer dram-zellen.

Country Status (7)

Country Link
US (1) US4694561A (enExample)
EP (1) EP0203960B1 (enExample)
JP (1) JPH0691210B2 (enExample)
KR (1) KR940011101B1 (enExample)
CA (1) CA1244143A (enExample)
DE (1) DE3579454D1 (enExample)
WO (1) WO1986003333A2 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023196A (en) * 1990-01-29 1991-06-11 Motorola Inc. Method for forming a MOSFET with substrate source contact
TW214610B (en) * 1992-08-31 1993-10-11 Siemens Ag Method of making contact for semiconductor device
US5627092A (en) * 1994-09-26 1997-05-06 Siemens Aktiengesellschaft Deep trench dram process on SOI for low leakage DRAM cell
US5652170A (en) * 1996-01-22 1997-07-29 Micron Technology, Inc. Method for etching sloped contact openings in polysilicon
US5793075A (en) * 1996-07-30 1998-08-11 International Business Machines Corporation Deep trench cell capacitor with inverting counter electrode
US6057216A (en) * 1997-12-09 2000-05-02 International Business Machines Corporation Low temperature diffusion process for dopant concentration enhancement
US6001704A (en) * 1998-06-04 1999-12-14 Vanguard International Semiconductor Corporation Method of fabricating a shallow trench isolation by using oxide/oxynitride layers
US6498381B2 (en) * 2001-02-22 2002-12-24 Tru-Si Technologies, Inc. Semiconductor structures having multiple conductive layers in an opening, and methods for fabricating same
US6835977B2 (en) * 2002-03-05 2004-12-28 United Microelectronics Corp. Variable capactor structure
US7989922B2 (en) * 2008-02-08 2011-08-02 International Business Machines Corporation Highly tunable metal-on-semiconductor trench varactor
KR102258769B1 (ko) 2011-10-14 2021-06-01 지엘팜텍주식회사 장용소화효소제 및 그 제조방법
TWI691052B (zh) * 2019-05-07 2020-04-11 力晶積成電子製造股份有限公司 記憶體結構及其製造方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3387286A (en) * 1967-07-14 1968-06-04 Ibm Field-effect transistor memory
US3928095A (en) * 1972-11-08 1975-12-23 Suwa Seikosha Kk Semiconductor device and process for manufacturing same
US3969746A (en) * 1973-12-10 1976-07-13 Texas Instruments Incorporated Vertical multijunction solar cell
DE2449688C3 (de) * 1974-10-18 1980-07-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Herstellung einer dotierten Zone eines Leitfähigkeitstyps in einem Halbleiterkörper
JPS5856266B2 (ja) * 1977-02-03 1983-12-14 テキサス インスツルメンツ インコ−ポレイテツド Ｍｏｓメモリ
FR2426335A1 (fr) * 1978-05-19 1979-12-14 Radiotechnique Compelec Dispositif semi-conducteur monolithique comportant une pluralite de cellules photosensibles
DE2967388D1 (en) * 1978-09-20 1985-03-28 Fujitsu Ltd Semiconductor memory device and process for fabricating the device
US4274892A (en) * 1978-12-14 1981-06-23 Trw Inc. Dopant diffusion method of making semiconductor products
US4353086A (en) * 1980-05-07 1982-10-05 Bell Telephone Laboratories, Incorporated Silicon integrated circuits
DK145585C (da) * 1980-05-09 1988-07-25 Schionning & Arve As Taetningsring
JPS5937406B2 (ja) * 1980-07-28 1984-09-10 ダイキン工業株式会社 冷凍装置
JPS58137245A (ja) * 1982-02-10 1983-08-15 Hitachi Ltd 大規模半導体メモリ
US4472212A (en) * 1982-02-26 1984-09-18 At&T Bell Laboratories Method for fabricating a semiconductor device
JPS58154256A (ja) * 1982-03-10 1983-09-13 Hitachi Ltd 半導体装置
JPS58171832A (ja) * 1982-03-31 1983-10-08 Toshiba Corp 半導体装置の製造方法
US4471524A (en) * 1982-06-01 1984-09-18 At&T Bell Laboratories Method for manufacturing an insulated gate field effect transistor device
JPS59117258A (ja) * 1982-12-24 1984-07-06 Hitachi Ltd 半導体装置の製造方法
JPS59184555A (ja) * 1983-04-02 1984-10-19 Nippon Telegr & Teleph Corp <Ntt> 半導体集積回路装置およびその製造方法
US4569701A (en) * 1984-04-05 1986-02-11 At&T Bell Laboratories Technique for doping from a polysilicon transfer layer

Also Published As

Publication number Publication date
WO1986003333A2 (en) 1986-06-05
US4694561A (en) 1987-09-22
WO1986003333A3 (en) 1986-07-17
JPH0691210B2 (ja) 1994-11-14
KR880700451A (ko) 1988-03-15
JPS62500972A (ja) 1987-04-16
EP0203960A1 (en) 1986-12-10
KR940011101B1 (ko) 1994-11-23
EP0203960B1 (en) 1990-08-29
CA1244143A (en) 1988-11-01
CA1258539C (enExample) 1989-08-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee