KR100720470B1 - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
- Publication number
- KR100720470B1 KR100720470B1 KR1020050132701A KR20050132701A KR100720470B1 KR 100720470 B1 KR100720470 B1 KR 100720470B1 KR 1020050132701 A KR1020050132701 A KR 1020050132701A KR 20050132701 A KR20050132701 A KR 20050132701A KR 100720470 B1 KR100720470 B1 KR 100720470B1
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- South Korea
- Prior art keywords
- insulating film
- gate electrode
- semiconductor device
- manufacturing
- semiconductor
- Prior art date
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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
- H01L21/28097—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 a metallic silicide
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/667—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of alloy material, compound material or organic material contacting the insulator, e.g. TiN workfunction layers
- H10D64/668—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of alloy material, compound material or organic material contacting the insulator, e.g. TiN workfunction layers the layer being a silicide, e.g. TiSi2
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/671—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor having lateral variation in doping or structure
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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)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (6)
- 기판 전면에 일영역이 드러나도록 제 1 절연막을 증착시키는 단계;상기 드러난 기판에 게이트절연막을 형성하는 단계;상기 게이트절연막상에 전체가 실리사이드화 된 게이트전극을 형성하는 단계;상기 게이트전극 양측면에 측벽 스페이서를 형성하는 단계를 포함함을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 제 1 절연막은 실리콘 질화막을 10Å의 두께를 갖도록 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 게이트절연막은 상기 제 1 절연막상에 감광막을 도포하는 단계,상기 감광막을 선택적으로 패터닝하는 단계,상기 패터닝된 감광막을 마스크로 상기 기판의 일영역이 드러나도록 상기 제 1 절연막을 식각하는 단계,웨트 산화(Wet Oxidation) 공정을 진행하는 단계를 통하여 형성됨을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 게이트전극은 상기 기판상에 반도체층을 증착하는 단계,상기 게이트절연막 상에만 남도록 상기 반도체층을 식각하여 반도체패턴을 형성하는 단계,상기 반도체패턴의 상면 및 양측면 모두에 금속층을 증착하는 단계,상기 금속층을 어닐링 하여 상기 반도체패턴 전체를 실리사이드화 하는 단계,상기 실리사이드화 되지 않은 금속층을 제거하는 단계를 포함함을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 측벽 스페이서는 상기 게이트전극을 포함한 상기 제 1 절연막상에 ONO 구조의 제 2 절연막을 증착하는 단계,상기 제 2 절연막이 상기 게이트전극 양측면에 남도록 반응성 이온 식각(Reactive Ion Etching : RIE)하는 단계를 포함함을 특징으로 하는 반도체 소자의 제조방법.
- 제 4 항에 있어서,상기 반도체층은 폴리실리콘을 사용하고, 상기 금속층은 코발트를 사용함을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050132701A KR100720470B1 (ko) | 2005-12-28 | 2005-12-28 | 반도체 소자의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050132701A KR100720470B1 (ko) | 2005-12-28 | 2005-12-28 | 반도체 소자의 제조방법 |
Publications (1)
Publication Number | Publication Date |
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KR100720470B1 true KR100720470B1 (ko) | 2007-05-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020050132701A Expired - Fee Related KR100720470B1 (ko) | 2005-12-28 | 2005-12-28 | 반도체 소자의 제조방법 |
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KR (1) | KR100720470B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050079187A (ko) * | 2004-02-04 | 2005-08-09 | 삼성전자주식회사 | 완전한 실리사이드 게이트를 갖는 모스 트랜지스터 제조방법 |
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2005
- 2005-12-28 KR KR1020050132701A patent/KR100720470B1/ko not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050079187A (ko) * | 2004-02-04 | 2005-08-09 | 삼성전자주식회사 | 완전한 실리사이드 게이트를 갖는 모스 트랜지스터 제조방법 |
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