DE4221431A1 - Herstellverfahren für einen Schlüsselkondensator - Google Patents
Herstellverfahren für einen SchlüsselkondensatorInfo
- Publication number
- DE4221431A1 DE4221431A1 DE4221431A DE4221431A DE4221431A1 DE 4221431 A1 DE4221431 A1 DE 4221431A1 DE 4221431 A DE4221431 A DE 4221431A DE 4221431 A DE4221431 A DE 4221431A DE 4221431 A1 DE4221431 A1 DE 4221431A1
- Authority
- DE
- Germany
- Prior art keywords
- layer
- capacitor
- bowl
- auxiliary layer
- hole
- 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- Withdrawn
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000004065 semiconductor Substances 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 9
- 238000005530 etching Methods 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000008021 deposition Effects 0.000 claims 2
- 238000005498 polishing Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 2
- 210000000352 storage cell Anatomy 0.000 abstract 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 13
- 229920005591 polysilicon Polymers 0.000 description 13
- 230000015654 memory Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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
- H10B12/0335—Making a connection between the transistor and the capacitor, e.g. plug
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4221431A DE4221431A1 (de) | 1992-06-30 | 1992-06-30 | Herstellverfahren für einen Schlüsselkondensator |
TW082104683A TW230844B (cs) | 1992-06-30 | 1993-06-12 | |
JP6501947A JPH07508136A (ja) | 1992-06-30 | 1993-06-24 | 深皿形コンデンサの製造方法 |
PCT/DE1993/000551 WO1994000874A1 (de) | 1992-06-30 | 1993-06-24 | Herstellungsverfahren für einen schüsselkondensator |
EP93912618A EP0647356A1 (de) | 1992-06-30 | 1993-06-24 | Herstellungsverfahren für einen schüsselkondensator |
KR1019940704838A KR950702339A (ko) | 1992-06-30 | 1994-12-30 | 크라운 캐패시터용 제조방법 및 장치(process for producing a dish capacitor) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4221431A DE4221431A1 (de) | 1992-06-30 | 1992-06-30 | Herstellverfahren für einen Schlüsselkondensator |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4221431A1 true DE4221431A1 (de) | 1994-01-05 |
Family
ID=6462140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4221431A Withdrawn DE4221431A1 (de) | 1992-06-30 | 1992-06-30 | Herstellverfahren für einen Schlüsselkondensator |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0647356A1 (cs) |
JP (1) | JPH07508136A (cs) |
KR (1) | KR950702339A (cs) |
DE (1) | DE4221431A1 (cs) |
TW (1) | TW230844B (cs) |
WO (1) | WO1994000874A1 (cs) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4221432A1 (de) * | 1992-06-30 | 1994-01-05 | Siemens Ag | Globales Planarisierungsverfahren für integrierte Halbleiterschaltungen oder mikromechanische Bauteile |
DE4442432A1 (de) * | 1993-12-01 | 1995-06-08 | Hyundai Electronics Ind | Verfahren zum Herstellen von Kondensatoren in Halbleiterspeichervorrichtungen |
WO1997013272A1 (en) * | 1995-10-04 | 1997-04-10 | Advanced Micro Devices, Inc. | An efficient and economical method of planarization of multilevel metallization structures in integrated circuits using cmp |
US5714779A (en) * | 1992-06-30 | 1998-02-03 | Siemens Aktiengesellschaft | Semiconductor memory device having a transistor, a bit line, a word line and a stacked capacitor |
DE19710961A1 (de) * | 1997-03-07 | 1998-09-24 | United Microelectronics Corp | Polysilizium-CMP-Prozeß für DRAM-Zellen-Strukturen mit hoher Dichte |
US5939747A (en) * | 1996-11-13 | 1999-08-17 | Oki Electric Industry Co., Ltd. | Capacitor produced in a semiconductor device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998028789A1 (fr) * | 1996-12-20 | 1998-07-02 | Hitachi, Ltd. | Dispositif memoire a semi-conducteur et procede de fabrication associe |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2524862B2 (ja) * | 1990-05-01 | 1996-08-14 | 三菱電機株式会社 | 半導体記憶装置およびその製造方法 |
US5162248A (en) * | 1992-03-13 | 1992-11-10 | Micron Technology, Inc. | Optimized container stacked capacitor DRAM cell utilizing sacrificial oxide deposition and chemical mechanical polishing |
-
1992
- 1992-06-30 DE DE4221431A patent/DE4221431A1/de not_active Withdrawn
-
1993
- 1993-06-12 TW TW082104683A patent/TW230844B/zh active
- 1993-06-24 WO PCT/DE1993/000551 patent/WO1994000874A1/de not_active Application Discontinuation
- 1993-06-24 JP JP6501947A patent/JPH07508136A/ja active Pending
- 1993-06-24 EP EP93912618A patent/EP0647356A1/de not_active Withdrawn
-
1994
- 1994-12-30 KR KR1019940704838A patent/KR950702339A/ko active IP Right Grant
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4221432A1 (de) * | 1992-06-30 | 1994-01-05 | Siemens Ag | Globales Planarisierungsverfahren für integrierte Halbleiterschaltungen oder mikromechanische Bauteile |
US5623164A (en) * | 1992-06-30 | 1997-04-22 | Siemens Aktiengesellschaft | Integrated semiconductor circuit or micromechanical component and process therefore |
US5714779A (en) * | 1992-06-30 | 1998-02-03 | Siemens Aktiengesellschaft | Semiconductor memory device having a transistor, a bit line, a word line and a stacked capacitor |
DE4442432A1 (de) * | 1993-12-01 | 1995-06-08 | Hyundai Electronics Ind | Verfahren zum Herstellen von Kondensatoren in Halbleiterspeichervorrichtungen |
DE4442432C2 (de) * | 1993-12-01 | 2000-11-23 | Hyundai Electronics Ind | Verfahren zum Herstellen von Kondensatoren in Halbleiterspeichervorrichtungen |
WO1997013272A1 (en) * | 1995-10-04 | 1997-04-10 | Advanced Micro Devices, Inc. | An efficient and economical method of planarization of multilevel metallization structures in integrated circuits using cmp |
US5840623A (en) * | 1995-10-04 | 1998-11-24 | Advanced Micro Devices, Inc. | Efficient and economical method of planarization of multilevel metallization structures in integrated circuits using CMP |
US5939747A (en) * | 1996-11-13 | 1999-08-17 | Oki Electric Industry Co., Ltd. | Capacitor produced in a semiconductor device |
DE19710961A1 (de) * | 1997-03-07 | 1998-09-24 | United Microelectronics Corp | Polysilizium-CMP-Prozeß für DRAM-Zellen-Strukturen mit hoher Dichte |
DE19710961C2 (de) * | 1997-03-07 | 2002-02-28 | United Microelectronics Corp | Verfahren zum Herstellen einer Halbleitereinrichtung mit einem Kondensator |
Also Published As
Publication number | Publication date |
---|---|
WO1994000874A1 (de) | 1994-01-06 |
EP0647356A1 (de) | 1995-04-12 |
TW230844B (cs) | 1994-09-21 |
KR950702339A (ko) | 1995-06-19 |
JPH07508136A (ja) | 1995-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8139 | Disposal/non-payment of the annual fee |