GB9704722D0 - Polysilicon CMP process for high-density DRAM cell structures - Google Patents
Polysilicon CMP process for high-density DRAM cell structuresInfo
- Publication number
- GB9704722D0 GB9704722D0 GBGB9704722.9A GB9704722A GB9704722D0 GB 9704722 D0 GB9704722 D0 GB 9704722D0 GB 9704722 A GB9704722 A GB 9704722A GB 9704722 D0 GB9704722 D0 GB 9704722D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- cmp process
- cell structures
- dram cell
- density dram
- polysilicon cmp
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/60—Electrodes
- H01L28/82—Electrodes with an enlarged surface, e.g. formed by texturisation
- H01L28/90—Electrodes with an enlarged surface, e.g. formed by texturisation having vertical extensions
- H01L28/91—Electrodes with an enlarged surface, e.g. formed by texturisation having vertical extensions made by depositing layers, e.g. by depositing alternating conductive and insulating layers
-
- 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
- H10B12/033—Making the capacitor or connections thereto the capacitor extending 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
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/31—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor
- H10B12/318—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor the storage electrode having multiple segments
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9704722A GB2322964B (en) | 1997-03-07 | 1997-03-07 | Polysilicon CMP process for high-density DRAM cell structures |
JP9060243A JPH10256502A (en) | 1997-03-07 | 1997-03-14 | Polysilicon cmp process for high-density dram cell |
DE19710961A DE19710961C2 (en) | 1997-03-07 | 1997-03-17 | Method of manufacturing a semiconductor device with a capacitor |
FR9703423A FR2761198B1 (en) | 1997-03-07 | 1997-03-20 | POLYSILICON CMP PROCESS FOR HIGH DENSITY DRAM CELL STRUCTURES |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9704722A GB2322964B (en) | 1997-03-07 | 1997-03-07 | Polysilicon CMP process for high-density DRAM cell structures |
JP9060243A JPH10256502A (en) | 1997-03-07 | 1997-03-14 | Polysilicon cmp process for high-density dram cell |
DE19710961A DE19710961C2 (en) | 1997-03-07 | 1997-03-17 | Method of manufacturing a semiconductor device with a capacitor |
FR9703423A FR2761198B1 (en) | 1997-03-07 | 1997-03-20 | POLYSILICON CMP PROCESS FOR HIGH DENSITY DRAM CELL STRUCTURES |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9704722D0 true GB9704722D0 (en) | 1997-04-23 |
GB2322964A GB2322964A (en) | 1998-09-09 |
GB2322964B GB2322964B (en) | 2001-10-17 |
Family
ID=27438574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9704722A Expired - Fee Related GB2322964B (en) | 1997-03-07 | 1997-03-07 | Polysilicon CMP process for high-density DRAM cell structures |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH10256502A (en) |
DE (1) | DE19710961C2 (en) |
FR (1) | FR2761198B1 (en) |
GB (1) | GB2322964B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100270210B1 (en) * | 1998-04-25 | 2000-10-16 | 윤종용 | DRAM cell capacitor and method of manufacturing the same |
KR100301370B1 (en) * | 1998-04-29 | 2001-10-27 | 윤종용 | Method for manufacturing dram cell capacitor |
FR2835970B1 (en) * | 2002-02-11 | 2005-02-25 | Memscap | ELECTRONIC COMPONENT INCLUDING A CAPACITIVE STRUCTURE |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5164337A (en) * | 1989-11-01 | 1992-11-17 | Matsushita Electric Industrial Co., Ltd. | Method of fabricating a semiconductor device having a capacitor in a stacked memory cell |
DD299990A5 (en) * | 1990-02-23 | 1992-05-14 | Dresden Forschzentr Mikroelek | One-transistor memory cell arrangement and method for its production |
US5084405A (en) * | 1991-06-07 | 1992-01-28 | Micron Technology, Inc. | Process to fabricate a double ring stacked cell structure |
US5150276A (en) * | 1992-01-24 | 1992-09-22 | Micron Technology, Inc. | Method of fabricating a vertical parallel cell capacitor having a storage node capacitor plate comprising a center fin effecting electrical communication between itself and parallel annular rings |
KR960003498B1 (en) * | 1992-06-18 | 1996-03-14 | 금성일렉트론주식회사 | Process of manufacturing capacitor for semiconductor device |
DE4221431A1 (en) * | 1992-06-30 | 1994-01-05 | Siemens Ag | Manufacturing process for a key capacitor |
DE4223878C2 (en) * | 1992-06-30 | 1995-06-08 | Siemens Ag | Manufacturing method for a semiconductor memory device |
US5292677A (en) * | 1992-09-18 | 1994-03-08 | Micron Technology, Inc. | Reduced mask CMOS process for fabricating stacked capacitor multi-megabit dynamic random access memories utilizing single etch stop layer for contacts |
KR960005246B1 (en) * | 1992-10-21 | 1996-04-23 | 현대전자산업주식회사 | Storage electrode manufacture of capacitor |
KR100388519B1 (en) * | 1995-02-22 | 2003-09-19 | 마이크론 테크놀로지, 인크. | Method for forming a bit line on a capacitor array of a memory cell and an integrated circuit and a semiconductor memory device using the same |
US5539230A (en) * | 1995-03-16 | 1996-07-23 | International Business Machines Corporation | Chimney capacitor |
JP2682509B2 (en) * | 1995-04-28 | 1997-11-26 | 日本電気株式会社 | Method for manufacturing semiconductor device |
US5604146A (en) * | 1996-06-10 | 1997-02-18 | Vanguard International Semiconductor Corporation | Method to fabricate a semiconductor memory device having an E-shaped storage node |
-
1997
- 1997-03-07 GB GB9704722A patent/GB2322964B/en not_active Expired - Fee Related
- 1997-03-14 JP JP9060243A patent/JPH10256502A/en active Pending
- 1997-03-17 DE DE19710961A patent/DE19710961C2/en not_active Expired - Fee Related
- 1997-03-20 FR FR9703423A patent/FR2761198B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE19710961C2 (en) | 2002-02-28 |
JPH10256502A (en) | 1998-09-25 |
DE19710961A1 (en) | 1998-09-24 |
GB2322964B (en) | 2001-10-17 |
FR2761198A1 (en) | 1998-09-25 |
GB2322964A (en) | 1998-09-09 |
FR2761198B1 (en) | 1999-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20030307 |