KR100343471B1 - 반도체 소자 제조방법 - Google Patents
반도체 소자 제조방법 Download PDFInfo
- Publication number
- KR100343471B1 KR100343471B1 KR1020000047188A KR20000047188A KR100343471B1 KR 100343471 B1 KR100343471 B1 KR 100343471B1 KR 1020000047188 A KR1020000047188 A KR 1020000047188A KR 20000047188 A KR20000047188 A KR 20000047188A KR 100343471 B1 KR100343471 B1 KR 100343471B1
- Authority
- KR
- South Korea
- Prior art keywords
- oxide film
- memory cell
- semiconductor substrate
- cell portion
- output circuit
- 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
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0135—Manufacturing their gate conductors
- H10D84/0142—Manufacturing their gate conductors the gate conductors having different shapes or dimensions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0144—Manufacturing their gate insulating layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/981—Utilizing varying dielectric thickness
Landscapes
- Semiconductor Memories (AREA)
Abstract
Description
Claims (5)
- 입출력회로부와 메모리셀부를 갖는 반도체 기판의 상면 전체에 제1산화막을 형성하는 공정과,상기 메모리 셀부의 상기 제1 산화막을 선택적으로 제거하는 공정과,상기 메모리 셀부의 반도체 기판의 상면 및 상기 입출력 회로부의 제1 산화막의 상면에 포토레지스트막을 형성하는 공정과,상기 포토레지스트막을 패터닝하여 게이트 전극이 형성될 영역에 개구부를 형성하는 공정과,상기 개구부를 통해 상기 메모리 셀부의 반도체 기판내에 산소 이온을 주입하여 산소이온주입층을 형성하는 공정과,상기 포토레지스트막을 제거하는 공정과,상기 산소이온주입층을 제거하여 상기 메모리 셀부의 반도체 기판내에 트렌치를 형성하는 공정과,상기 입출력 회로부의 상기 제1산화막을 임의의 두께 만큼 식각 제거하는 공정과,상기 입출력회로부의 상기 제1산화막의 상면 및 상기 메모리셀부의 상기 트렌치의 위치에 각각 게이트 전극을 형성하는 공정과,상기 게이트 전극 양측 반도체 기판내에 불순물 이온을 주입하여 불순물 영역을 형성하는 공정과,상기 게이트 전극의 양측벽에 측벽 스페이서를 형성하는 공정과,상기 측벽 스페이서를 마스크로하여 상기 반도체 기판내에 불순물 이온을 주입하여 소스/드레인영역을 형성하는 공정을 포함하는 반도체 소자의 제조방법.
- 제1항에 있어서,상기 소스/드레인 영역의 상면에 실리사이드층을 형성하는 공정을 추가로 포함하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 산소이온주입층을 제거하는 공정은 BOE로 습식 식각 하는 공정인 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 제1산화막을 임의의 두께만큼 식각하는 공정은 상기 제1산화막이 최초에 형성된 두께의 약 1/2의 두께가 남도록 식각하는 공정인 것을 특징으로 하는 반도체 소자의 제조방법.
- 제4항에 있어서 상기 식각하는 공정은 HF용액으로 식각하는 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000047188A KR100343471B1 (ko) | 2000-08-16 | 2000-08-16 | 반도체 소자 제조방법 |
US09/770,305 US6271092B1 (en) | 2000-08-16 | 2001-01-29 | Method for fabricating a semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000047188A KR100343471B1 (ko) | 2000-08-16 | 2000-08-16 | 반도체 소자 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020014100A KR20020014100A (ko) | 2002-02-25 |
KR100343471B1 true KR100343471B1 (ko) | 2002-07-18 |
Family
ID=19683285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000047188A Expired - Fee Related KR100343471B1 (ko) | 2000-08-16 | 2000-08-16 | 반도체 소자 제조방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6271092B1 (ko) |
KR (1) | KR100343471B1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100417461B1 (ko) * | 2002-07-12 | 2004-02-05 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
US6818514B2 (en) * | 2003-02-26 | 2004-11-16 | Silterra Malaysia Sdn. Bhd. | Semiconductor device with dual gate oxides |
US20060017113A1 (en) * | 2004-07-21 | 2006-01-26 | University Of Florida Research Foundation, Inc. | High transconductance and drive current high voltage MOS transistors |
JP5144964B2 (ja) * | 2007-06-05 | 2013-02-13 | スパンション エルエルシー | 半導体装置の製造方法 |
CN104952734B (zh) * | 2015-07-16 | 2020-01-24 | 矽力杰半导体技术(杭州)有限公司 | 半导体结构及其制造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5480828A (en) * | 1994-09-30 | 1996-01-02 | Taiwan Semiconductor Manufacturing Corp. Ltd. | Differential gate oxide process by depressing or enhancing oxidation rate for mixed 3/5 V CMOS process |
US5920779A (en) * | 1997-05-21 | 1999-07-06 | United Microelectronics Corp. | Differential gate oxide thickness by nitrogen implantation for mixed mode and embedded VLSI circuits |
US6117711A (en) * | 1998-03-02 | 2000-09-12 | Texas Instruments - Acer Incorporated | Method of making single-electron-tunneling CMOS transistors |
US6165849A (en) * | 1998-12-04 | 2000-12-26 | Advanced Micro Devices, Inc. | Method of manufacturing mosfet with differential gate oxide thickness on the same IC chip |
-
2000
- 2000-08-16 KR KR1020000047188A patent/KR100343471B1/ko not_active Expired - Fee Related
-
2001
- 2001-01-29 US US09/770,305 patent/US6271092B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR20020014100A (ko) | 2002-02-25 |
US6271092B1 (en) | 2001-08-07 |
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