JPH0715949B2 - Dramセル及びその製造方法 - Google Patents
Dramセル及びその製造方法Info
- Publication number
- JPH0715949B2 JPH0715949B2 JP1221888A JP22188889A JPH0715949B2 JP H0715949 B2 JPH0715949 B2 JP H0715949B2 JP 1221888 A JP1221888 A JP 1221888A JP 22188889 A JP22188889 A JP 22188889A JP H0715949 B2 JPH0715949 B2 JP H0715949B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- trench
- oxide film
- conductivity type
- polycrystalline silicon
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 45
- 239000000758 substrate Substances 0.000 claims description 39
- 239000003990 capacitor Substances 0.000 claims description 29
- 238000009792 diffusion process Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 11
- 229910021332 silicide Inorganic materials 0.000 claims description 7
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims 2
- 238000003860 storage Methods 0.000 description 7
- 239000005380 borophosphosilicate glass Substances 0.000 description 6
- 238000000206 photolithography Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 101100520660 Drosophila melanogaster Poc1 gene Proteins 0.000 description 1
- 101100520662 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) PBA1 gene Proteins 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
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
- H10B12/30—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
-
- 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 Memories (AREA)
- Semiconductor Integrated Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR89-6720 | 1989-05-19 | ||
KR1019890006720A KR920010695B1 (ko) | 1989-05-19 | 1989-05-19 | 디램셀 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02312270A JPH02312270A (ja) | 1990-12-27 |
JPH0715949B2 true JPH0715949B2 (ja) | 1995-02-22 |
Family
ID=19286319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1221888A Expired - Fee Related JPH0715949B2 (ja) | 1989-05-19 | 1989-08-30 | Dramセル及びその製造方法 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPH0715949B2 (en)) |
KR (1) | KR920010695B1 (en)) |
DE (1) | DE3927176A1 (en)) |
FR (1) | FR2647267B1 (en)) |
GB (1) | GB2231718B (en)) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5185284A (en) * | 1989-05-22 | 1993-02-09 | Mitsubishi Denki Kabushiki Kaisha | Method of making a semiconductor memory device |
KR910013554A (ko) * | 1989-12-08 | 1991-08-08 | 김광호 | 반도체 장치 및 그 제조방법 |
JPH03200366A (ja) * | 1989-12-27 | 1991-09-02 | Nec Corp | 半導体装置及びその製造方法 |
JPH03278573A (ja) * | 1990-03-28 | 1991-12-10 | Mitsubishi Electric Corp | 半導体記憶装置 |
KR930007194B1 (ko) * | 1990-08-14 | 1993-07-31 | 삼성전자 주식회사 | 반도체 장치 및 그 제조방법 |
JP2748050B2 (ja) * | 1991-02-08 | 1998-05-06 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
US5272103A (en) * | 1991-02-08 | 1993-12-21 | Mitsubishi Denki Kabushiki Kaisha | DRAM having a large dielectric breakdown voltage between an adjacent conductive layer and a capacitor electrode and method of manufacture thereof |
US5208177A (en) * | 1992-02-07 | 1993-05-04 | Micron Technology, Inc. | Local field enhancement for better programmability of antifuse PROM |
JPH11145414A (ja) * | 1997-09-04 | 1999-05-28 | Toshiba Corp | 半導体装置 |
KR100689514B1 (ko) * | 2006-01-23 | 2007-03-02 | 주식회사 하이닉스반도체 | 반도체 소자 및 그의 제조 방법 |
CN112750899B (zh) * | 2019-10-31 | 2022-05-27 | 广东美的白色家电技术创新中心有限公司 | 一种半导体器件及其制备方法、电器设备 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58137245A (ja) * | 1982-02-10 | 1983-08-15 | Hitachi Ltd | 大規模半導体メモリ |
EP0169938B1 (en) * | 1983-12-15 | 1989-03-29 | Kabushiki Kaisha Toshiba | Semiconductor memory device having trenched capacitor |
JPS60189964A (ja) * | 1984-03-12 | 1985-09-27 | Hitachi Ltd | 半導体メモリ |
JPS62120070A (ja) * | 1985-11-20 | 1987-06-01 | Toshiba Corp | 半導体記憶装置 |
JPS63122261A (ja) * | 1986-11-12 | 1988-05-26 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JPH01119053A (ja) * | 1987-10-31 | 1989-05-11 | Sony Corp | 半導体メモリ装置 |
JP2548957B2 (ja) * | 1987-11-05 | 1996-10-30 | 富士通株式会社 | 半導体記憶装置の製造方法 |
-
1989
- 1989-05-19 KR KR1019890006720A patent/KR920010695B1/ko not_active Expired
- 1989-08-17 DE DE3927176A patent/DE3927176A1/de active Granted
- 1989-08-30 JP JP1221888A patent/JPH0715949B2/ja not_active Expired - Fee Related
- 1989-09-07 FR FR8911703A patent/FR2647267B1/fr not_active Expired - Lifetime
- 1989-11-24 GB GB8926627A patent/GB2231718B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2231718A (en) | 1990-11-21 |
KR920010695B1 (ko) | 1992-12-12 |
FR2647267B1 (fr) | 1995-03-10 |
KR900019141A (ko) | 1990-12-24 |
DE3927176A1 (de) | 1990-11-22 |
FR2647267A1 (fr) | 1990-11-23 |
DE3927176C2 (en)) | 1992-03-26 |
GB2231718B (en) | 1993-05-26 |
GB8926627D0 (en) | 1990-01-17 |
JPH02312270A (ja) | 1990-12-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5336912A (en) | Buried plate type DRAM | |
US5065273A (en) | High capacity DRAM trench capacitor and methods of fabricating same | |
JP3123073B2 (ja) | 半導体記憶装置の製造方法 | |
US5716862A (en) | High performance PMOSFET using split-polysilicon CMOS process incorporating advanced stacked capacitior cells for fabricating multi-megabit DRAMS | |
JPH0653412A (ja) | 半導体記憶装置およびその製造方法 | |
US5455192A (en) | Method of making dynamic random access memory cell having a stacked capacitor and a trench capacitor | |
JP3132435B2 (ja) | 半導体装置の製造方法 | |
JPH08250677A (ja) | 半導体記憶装置及びその製造方法 | |
US5250830A (en) | Dynamic type semiconductor memory device and its manufacturing method | |
US5106774A (en) | Method of making trench type dynamic random access memory device | |
US5821579A (en) | Semiconductor memory device and method of manufacturing the same | |
US6376348B1 (en) | Reliable polycide gate stack with reduced sheet resistance and thickness | |
JPH0715949B2 (ja) | Dramセル及びその製造方法 | |
US5216267A (en) | Stacked capacitor dynamic random access memory with a sloped lower electrode | |
EP0203960B1 (en) | High-performance trench capacitors for dram cells | |
JPH07105478B2 (ja) | 半導体装置の製造方法 | |
US5183772A (en) | Manufacturing method for a DRAM cell | |
JP3421230B2 (ja) | 半導体記憶装置およびその製造方法 | |
US5373177A (en) | Semiconductor device with improved electric charge storage characteristics | |
JPH1022471A (ja) | 半導体集積回路装置及びその製造方法 | |
US5300800A (en) | Low leakage substrate plate DRAM cell | |
KR930000718B1 (ko) | 반도체장치의 제조방법 | |
JP2846306B2 (ja) | 半導体記憶装置およびその製造方法 | |
JPH0575053A (ja) | 半導体記憶装置 | |
JP3071274B2 (ja) | 半導体メモリ装置およびその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080222 Year of fee payment: 13 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090222 Year of fee payment: 14 |
|
LAPS | Cancellation because of no payment of annual fees |