KR100811258B1 - 텅스텐실리사이드 게이트구조를 갖는 반도체소자의제조방법 - Google Patents
텅스텐실리사이드 게이트구조를 갖는 반도체소자의제조방법 Download PDFInfo
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- KR100811258B1 KR100811258B1 KR1020050123497A KR20050123497A KR100811258B1 KR 100811258 B1 KR100811258 B1 KR 100811258B1 KR 1020050123497 A KR1020050123497 A KR 1020050123497A KR 20050123497 A KR20050123497 A KR 20050123497A KR 100811258 B1 KR100811258 B1 KR 100811258B1
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- film
- gate
- metal silicide
- semiconductor device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28035—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities
- H01L21/28044—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer
- H01L21/28052—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer the conductor comprising a silicide layer formed by the silicidation reaction of silicon with a metal layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28518—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table the conductive layers comprising silicides
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- 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
- H10D84/0137—Manufacturing their gate conductors the gate conductors being silicided
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (10)
- 소자분리막에 의해 한정되는 반도체기판의 활성영역 위에 게이트절연막을 개재하여 게이트도전막, 금속실리사이드막 및 하드마스크막이 순차적으로 적층되는 게이트스택용 물질막을 형성하는 단계;상기 게이트스택용 물질막에 대한 패터닝을 수행하여 게이트도전막패턴, 금속실리사이드막패턴 및 하드마스크막패턴이 순차적으로 적층되는 게이트스택을 형성하되, 상기 금속실리사이드막패턴의 측면이 내부로 함몰되는 언더컷 구조가 만들어지도록 하는 단계; 및라이트산화공정을 수행하여 상기 게이트도전막패턴 및 금속실리사이드막패턴의 측벽에 실질적으로 수직한 프로파일의 측벽산화막을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제1항에 있어서,상기 활성영역에 리세스채널용 트랜치를 형성하는 단계를 더 포함하여 상기 게이트도전막은 상기 리세스채널용 트랜치가 매립되도록 형성하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제1항에 있어서,상기 금속실리사이드막 측면에 언더컷 구조가 만들어지도록 하는 단계는 상 기 게이트도전막에 대한 과도식각을 통해 수행하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제3항에 있어서,상기 게이트도전막에 대한 과도식각은 500% 이상의 과도식각비율로 수행하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제1항에 있어서,상기 금속실리사이드막은 실리콘 조성이 금속 조성보다 상대적으로 2.1-3.0배 더 많은 실리콘-리치 형태로 형성하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제1항에 있어서,상기 금속실리사이드막은 텅스텐실리사이드막으로 형성하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제6항에 있어서,상기 텅스텐실리사이드막은, WF6 가스와 SiH4 가스를 반응가스로 0.5-2torr의 압력 및 410-450℃의 온도조건으로 한 화학적기상증착방법을 사용하여 형성하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제1항에 있어서,상기 금속실리사이드막은 1000-1300Å의 두께로 형성하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제1항에 있어서,상기 라이트 산화공정은 800-900℃의 온도에서 수행하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제1항에 있어서,상기 라이트 산화공정은, 상기 측벽산화막의 두께가 20-60Å이 되도록 수행하는 것을 특징으로 하는 반도체소자의 제조방법.
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KR1020050123497A KR100811258B1 (ko) | 2005-12-14 | 2005-12-14 | 텅스텐실리사이드 게이트구조를 갖는 반도체소자의제조방법 |
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KR1020050123497A KR100811258B1 (ko) | 2005-12-14 | 2005-12-14 | 텅스텐실리사이드 게이트구조를 갖는 반도체소자의제조방법 |
Publications (2)
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KR20070063359A KR20070063359A (ko) | 2007-06-19 |
KR100811258B1 true KR100811258B1 (ko) | 2008-03-07 |
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KR1020050123497A Expired - Fee Related KR100811258B1 (ko) | 2005-12-14 | 2005-12-14 | 텅스텐실리사이드 게이트구조를 갖는 반도체소자의제조방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102598384B1 (ko) | 2023-02-24 | 2023-11-06 | 주식회사 지앤케이솔루션즈 | 반도체 소자 제조 장치 시스템 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010093416A (ko) * | 2000-03-29 | 2001-10-29 | 윤종용 | 반도체 장치의 제조방법 |
KR20050038351A (ko) * | 2003-10-22 | 2005-04-27 | 삼성전자주식회사 | 리세스 채널 어레이 트랜지스터의 제조 방법 |
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2005
- 2005-12-14 KR KR1020050123497A patent/KR100811258B1/ko not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010093416A (ko) * | 2000-03-29 | 2001-10-29 | 윤종용 | 반도체 장치의 제조방법 |
KR20050038351A (ko) * | 2003-10-22 | 2005-04-27 | 삼성전자주식회사 | 리세스 채널 어레이 트랜지스터의 제조 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102598384B1 (ko) | 2023-02-24 | 2023-11-06 | 주식회사 지앤케이솔루션즈 | 반도체 소자 제조 장치 시스템 |
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KR20070063359A (ko) | 2007-06-19 |
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