JPH0423832B2 - - Google Patents
Info
- Publication number
- JPH0423832B2 JPH0423832B2 JP58015661A JP1566183A JPH0423832B2 JP H0423832 B2 JPH0423832 B2 JP H0423832B2 JP 58015661 A JP58015661 A JP 58015661A JP 1566183 A JP1566183 A JP 1566183A JP H0423832 B2 JPH0423832 B2 JP H0423832B2
- Authority
- JP
- Japan
- Prior art keywords
- polycrystalline silicon
- silicon
- memory cell
- silicon dioxide
- insulating material
- 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
Links
- 239000000758 substrate Substances 0.000 claims description 14
- 238000009792 diffusion process Methods 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 11
- 239000011810 insulating material Substances 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 50
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 37
- 235000012239 silicon dioxide Nutrition 0.000 description 25
- 239000000377 silicon dioxide Substances 0.000 description 25
- 238000005530 etching Methods 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 229910052581 Si3N4 Inorganic materials 0.000 description 9
- 229920002120 photoresistant polymer Polymers 0.000 description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 9
- 238000002955 isolation Methods 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 229920005591 polysilicon Polymers 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000000992 sputter etching Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- OFHCOWSQAMBJIW-AVJTYSNKSA-N alfacalcidol Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CCCC(C)C)=C\C=C1\C[C@@H](O)C[C@H](O)C1=C OFHCOWSQAMBJIW-AVJTYSNKSA-N 0.000 description 1
- 230000005260 alpha ray Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- -1 arsenic ions Chemical class 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XUIMIQQOPSSXEZ-OUBTZVSYSA-N silicon-29 atom Chemical compound [29Si] XUIMIQQOPSSXEZ-OUBTZVSYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-RNFDNDRNSA-N silicon-32 atom Chemical compound [32Si] XUIMIQQOPSSXEZ-RNFDNDRNSA-N 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
Landscapes
- Semiconductor Integrated Circuits (AREA)
- Semiconductor Memories (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58015661A JPS59141262A (ja) | 1983-02-02 | 1983-02-02 | 半導体メモリセル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58015661A JPS59141262A (ja) | 1983-02-02 | 1983-02-02 | 半導体メモリセル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59141262A JPS59141262A (ja) | 1984-08-13 |
JPH0423832B2 true JPH0423832B2 (enrdf_load_stackoverflow) | 1992-04-23 |
Family
ID=11894920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58015661A Granted JPS59141262A (ja) | 1983-02-02 | 1983-02-02 | 半導体メモリセル |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59141262A (enrdf_load_stackoverflow) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0666436B2 (ja) * | 1983-04-15 | 1994-08-24 | 株式会社日立製作所 | 半導体集積回路装置 |
JPS59191374A (ja) * | 1983-04-15 | 1984-10-30 | Hitachi Ltd | 半導体集積回路装置 |
JPH0793366B2 (ja) * | 1984-10-08 | 1995-10-09 | 日本電信電話株式会社 | 半導体メモリおよびその製造方法 |
USRE33261E (en) * | 1984-07-03 | 1990-07-10 | Texas Instruments, Incorporated | Trench capacitor for high density dynamic RAM |
JPS6155957A (ja) * | 1984-08-27 | 1986-03-20 | Toshiba Corp | 半導体記憶装置 |
JPS6187359A (ja) * | 1984-10-05 | 1986-05-02 | Nec Corp | 半導体メモリセル |
JPS6187358A (ja) * | 1984-10-05 | 1986-05-02 | Nec Corp | 半導体記憶装置およびその製造方法 |
JPS6188555A (ja) * | 1984-10-08 | 1986-05-06 | Nec Corp | 半導体メモリセル |
JPS61150366A (ja) * | 1984-12-25 | 1986-07-09 | Nec Corp | Mis型メモリ−セル |
US5102817A (en) * | 1985-03-21 | 1992-04-07 | Texas Instruments Incorporated | Vertical DRAM cell and method |
US4673962A (en) * | 1985-03-21 | 1987-06-16 | Texas Instruments Incorporated | Vertical DRAM cell and method |
JP2615541B2 (ja) * | 1985-03-22 | 1997-05-28 | 富士通株式会社 | 半導体装置の製造方法 |
JPS61288460A (ja) * | 1985-06-17 | 1986-12-18 | Nippon Telegr & Teleph Corp <Ntt> | 半導体記憶装置およびその製造方法 |
JPS61288461A (ja) * | 1985-06-17 | 1986-12-18 | Nippon Telegr & Teleph Corp <Ntt> | 半導体装置とその製造方法 |
US5164917A (en) * | 1985-06-26 | 1992-11-17 | Texas Instruments Incorporated | Vertical one-transistor DRAM with enhanced capacitance and process for fabricating |
JPS6221266A (ja) * | 1985-07-19 | 1987-01-29 | Sanyo Electric Co Ltd | 半導体メモリセル |
JPS6239053A (ja) * | 1985-08-14 | 1987-02-20 | Nec Corp | 半導体メモリセル及びその製造方法 |
JPH0750745B2 (ja) * | 1985-10-03 | 1995-05-31 | 株式会社日立製作所 | 半導体装置 |
JPH0642533B2 (ja) * | 1985-10-16 | 1994-06-01 | 三菱電機株式会社 | 半導体記憶装置 |
JPH0824164B2 (ja) * | 1985-11-18 | 1996-03-06 | テキサス インスツルメンツ インコ−ポレイテツド | 相互接続部を形成する方法 |
JP2574231B2 (ja) * | 1985-12-03 | 1997-01-22 | 松下電子工業株式会社 | 半導体メモリ装置 |
US4801989A (en) * | 1986-02-20 | 1989-01-31 | Fujitsu Limited | Dynamic random access memory having trench capacitor with polysilicon lined lower electrode |
JPS62208658A (ja) * | 1986-02-20 | 1987-09-12 | Fujitsu Ltd | ダイナミツクランダムアクセスメモリ |
JPH0797621B2 (ja) * | 1986-03-03 | 1995-10-18 | 富士通株式会社 | ダイナミツクランダムアクセスメモリ |
JPH0685428B2 (ja) * | 1986-03-14 | 1994-10-26 | 富士通株式会社 | ダイナミツクランダムアクセスメモリ |
JPH0685426B2 (ja) * | 1986-03-03 | 1994-10-26 | 富士通株式会社 | ダイナミツクランダムアクセスメモリ |
JPH0797622B2 (ja) * | 1986-03-03 | 1995-10-18 | 富士通株式会社 | 半導体メモリ |
US4785337A (en) * | 1986-10-17 | 1988-11-15 | International Business Machines Corporation | Dynamic ram cell having shared trench storage capacitor with sidewall-defined bridge contacts and gate electrodes |
US4916524A (en) * | 1987-03-16 | 1990-04-10 | Texas Instruments Incorporated | Dram cell and method |
JPH0795568B2 (ja) * | 1987-04-27 | 1995-10-11 | 日本電気株式会社 | 半導体記憶装置 |
US5109259A (en) * | 1987-09-22 | 1992-04-28 | Texas Instruments Incorporated | Multiple DRAM cells in a trench |
JPH01154551A (ja) * | 1987-12-11 | 1989-06-16 | Oki Electric Ind Co Ltd | 半導体メモリ集積回路装置及びその製造方法 |
US4958206A (en) * | 1988-06-28 | 1990-09-18 | Texas Instruments Incorporated | Diffused bit line trench capacitor dram cell |
US5105245A (en) * | 1988-06-28 | 1992-04-14 | Texas Instruments Incorporated | Trench capacitor DRAM cell with diffused bit lines adjacent to a trench |
US5225363A (en) * | 1988-06-28 | 1993-07-06 | Texas Instruments Incorporated | Trench capacitor DRAM cell and method of manufacture |
WO1990011619A1 (en) * | 1989-03-23 | 1990-10-04 | Grumman Aerospace Corporation | Single trench mosfet-capacitor cell for analog signal processing |
US5275974A (en) * | 1992-07-30 | 1994-01-04 | Northern Telecom Limited | Method of forming electrodes for trench capacitors |
-
1983
- 1983-02-02 JP JP58015661A patent/JPS59141262A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59141262A (ja) | 1984-08-13 |
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