KR20160075474A - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR20160075474A KR20160075474A KR1020160076775A KR20160076775A KR20160075474A KR 20160075474 A KR20160075474 A KR 20160075474A KR 1020160076775 A KR1020160076775 A KR 1020160076775A KR 20160076775 A KR20160076775 A KR 20160076775A KR 20160075474 A KR20160075474 A KR 20160075474A
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- Prior art keywords
- dummy gate
- gate material
- etchant
- pins
- dielectric
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- H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
- H10D84/82—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components
- H10D84/83—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET]
- H10D84/834—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET] comprising FinFETs
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- 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
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- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
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- H01L21/32138—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only pre- or post-treatments, e.g. anti-corrosion processes
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- H10D62/113—Isolations within a component, i.e. internal isolations
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- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
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- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
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- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Drying Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
도 1은 일부 실시예에 따라 핀 위의 전도성 물질을 예증한다.
도 2는 일부 실시예에 따라 에칭 체임버를 예증한다.
도 3은 일부 실시예에 따라 전도성 물질을 오목화(recess)하기 위한 에칭 프로세스를 예증한다.
도 4는 일부 실시예에 따라 전도성 물질의 잔여물을 제거하기 위한 습식 에칭을 예증한다.
도 5는 일부 실시예에 따라 게이트 전극 물질의 퇴적을 예증한다.
도 6a 내지 6c는 일부 실시예에 따라 실시예들의 개선 및 테스트를 보여 주는 도표를 예증한다.
Claims (6)
- 반도체 장치에 있어서,
반도체 기판 위의 제1 복수의 핀들;
상기 반도체 기판 위의 제2 복수의 핀들;
상기 제1 복수의 핀들 위의 제1 유전 물질; 및
상기 제2 복수의 핀들 위의 제2 유전 물질을
포함하고,
상기 제1 유전 물질은, 상기 제2 복수의 핀들 위의 상기 제2 유전 물질의 제2 두께보다 작은, 상기 제1 복수의 핀들 위의 제1 두께를 갖는 것인, 반도체 장치. - 제1 항에 있어서, 상기 제1 두께는 10Å과 500Å 사이인, 반도체 장치.
- 제2 항에 있어서, 상기 제2 두께는 10Å과 500Å 사이인, 반도체 장치.
- 제1 항에 있어서, 상기 제1 유전물질 및 상기 제1 복수의 핀들 사이의 제 1 게이트 유전체를 더 포함하는, 반도체 장치.
- 제4항에 있어서, 제2 유전물질 및 제2 복수의 핀들 사이의 제2 게이트 유전체를 더 포함하고, 상기 제 2 게이트 유전체는 상기 제 1 게이트 유전체보다 긴 게이트 길이를 가지는, 반도체 장치.
- 제1항에 있어서, 상기 제1 유전 물질에 의해 덮히지 않은 상기 제1 복수의 핀들의 부분 위에 배치된 스페이서를 더 포함하는, 반도체 장치.
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