KR20010014953A - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
- Publication number
- KR20010014953A KR20010014953A KR1020000027251A KR20000027251A KR20010014953A KR 20010014953 A KR20010014953 A KR 20010014953A KR 1020000027251 A KR1020000027251 A KR 1020000027251A KR 20000027251 A KR20000027251 A KR 20000027251A KR 20010014953 A KR20010014953 A KR 20010014953A
- Authority
- KR
- South Korea
- Prior art keywords
- insulating film
- film
- drain region
- lower insulating
- source drain
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 43
- 239000004065 semiconductor Substances 0.000 title claims description 30
- 238000005530 etching Methods 0.000 claims abstract description 45
- 239000003990 capacitor Substances 0.000 claims abstract description 42
- 238000003860 storage Methods 0.000 claims abstract description 39
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 38
- 239000010703 silicon Substances 0.000 claims abstract description 38
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 34
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 31
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 abstract description 34
- 239000010408 film Substances 0.000 description 214
- 239000010410 layer Substances 0.000 description 20
- 238000000926 separation method Methods 0.000 description 11
- 239000012535 impurity Substances 0.000 description 9
- 238000000206 photolithography Methods 0.000 description 9
- 239000011229 interlayer Substances 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- 239000013078 crystal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010409 thin film Substances 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
-
- 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
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/05—Making 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
- H10B12/48—Data lines or contacts therefor
- H10B12/485—Bit line contacts
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (3)
- 비트선의 상층에 캐패시터를 구비하는 캐패시터 오버 비트 라인 구조의 반도체 장치에 있어서,캐패시터와 도통하는 소스 드레인 영역을 덮는 하층 절연막과,상기 하층 절연막의 상층에 형성되는 상층 절연막과,상기 하층 절연막 및 상기 상층 절연막을 관통하여 상기 소스 드레인 영역에 개구하는 스토리지 노드 컨택트를 구비하고,상기 소스 드레인 영역은 상기 스토리지 노드 컨택트가 개구하는 부분을 포함하는 전면에서 실질적으로 평탄한 것을 특징으로 하는 반도체 장치.
- 제1항에 있어서, 상기 상층 절연막은 실리콘 산화막이고,상기 하층 절연막은 실리콘 질화막인 것을 특징으로 하는 반도체 장치.
- 비트선의 상층에 캐패시터를 구비하는 캐패시터 오버 비트 라인 구조의 반도체 장치를 제조하기 위한 방법에 있어서,캐패시터와 도통하는 소스 드레인 영역을 덮는 하층 절연막을 형성하는 단계와,상기 하층 절연막의 상층에 상층 절연막을 형성하는 단계와,상기 하층 절연막에 대하여 상기 상층 절연막을 높은 선택비로 제거할 수 있는 조건으로, 상기 하층 절연막을 스토퍼막으로 하면서 제1 이방성 에칭을 행함으로써 상기 하층 절연막에 개구하는 스토리지 노드 컨택트를 형성하는 단계와,실리콘막에 대하여 상기 하층 절연막을 높은 선택비로 제거할 수 있는 조건으로 제2 이방성 에칭을 행함으로써, 상기 소스 드레인 영역에 개구하기까지 상기 스토리지 노드 컨택트를 연장하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11211357A JP2001044380A (ja) | 1999-07-26 | 1999-07-26 | 半導体装置およびその製造方法 |
JP1999-211357 | 1999-07-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010014953A true KR20010014953A (ko) | 2001-02-26 |
KR100342644B1 KR100342644B1 (ko) | 2002-07-02 |
Family
ID=16604640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000027251A KR100342644B1 (ko) | 1999-07-26 | 2000-05-20 | 반도체 장치 및 그 제조 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6483140B1 (ko) |
JP (1) | JP2001044380A (ko) |
KR (1) | KR100342644B1 (ko) |
DE (1) | DE10024361A1 (ko) |
TW (1) | TW451270B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7920400B2 (en) | 2007-04-27 | 2011-04-05 | Samsung Electronics Co., Ltd. | Semiconductor integrated circuit device and method of fabricating the semiconductor integrated circuit device |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100539276B1 (ko) | 2003-04-02 | 2005-12-27 | 삼성전자주식회사 | 게이트 라인을 포함하는 반도체 장치 및 이의 제조 방법 |
KR102036345B1 (ko) * | 2012-12-10 | 2019-10-24 | 삼성전자 주식회사 | 반도체 소자 |
US11456298B2 (en) * | 2021-01-26 | 2022-09-27 | Nanya Technology Corporation | Semiconductor device with carbon liner over gate structure and method for forming the same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0479366A (ja) * | 1990-07-23 | 1992-03-12 | Matsushita Electron Corp | 半導体装置およびその製造方法 |
JPH05102430A (ja) * | 1991-04-23 | 1993-04-23 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JPH0936325A (ja) * | 1995-07-25 | 1997-02-07 | Hitachi Ltd | 半導体集積回路装置 |
KR0155886B1 (ko) | 1995-09-19 | 1998-10-15 | 김광호 | 고집적 dram 셀의 제조방법 |
JPH0982980A (ja) | 1995-09-19 | 1997-03-28 | Sony Corp | 薄膜半導体装置の製造方法 |
-
1999
- 1999-07-26 JP JP11211357A patent/JP2001044380A/ja not_active Withdrawn
-
2000
- 2000-01-12 US US09/481,387 patent/US6483140B1/en not_active Expired - Fee Related
- 2000-05-15 TW TW089109235A patent/TW451270B/zh not_active IP Right Cessation
- 2000-05-17 DE DE10024361A patent/DE10024361A1/de not_active Ceased
- 2000-05-20 KR KR1020000027251A patent/KR100342644B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7920400B2 (en) | 2007-04-27 | 2011-04-05 | Samsung Electronics Co., Ltd. | Semiconductor integrated circuit device and method of fabricating the semiconductor integrated circuit device |
Also Published As
Publication number | Publication date |
---|---|
DE10024361A1 (de) | 2001-02-22 |
KR100342644B1 (ko) | 2002-07-02 |
TW451270B (en) | 2001-08-21 |
JP2001044380A (ja) | 2001-02-16 |
US6483140B1 (en) | 2002-11-19 |
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