KR101116510B1 - 반도체 제조시 웨이퍼를 지지하는 홀더 - Google Patents
반도체 제조시 웨이퍼를 지지하는 홀더 Download PDFInfo
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- KR101116510B1 KR101116510B1 KR1020067002232A KR20067002232A KR101116510B1 KR 101116510 B1 KR101116510 B1 KR 101116510B1 KR 1020067002232 A KR1020067002232 A KR 1020067002232A KR 20067002232 A KR20067002232 A KR 20067002232A KR 101116510 B1 KR101116510 B1 KR 101116510B1
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- 239000004065 semiconductor Substances 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title abstract description 18
- 235000012431 wafers Nutrition 0.000 title description 236
- 239000000758 substrate Substances 0.000 claims abstract description 66
- 238000000034 method Methods 0.000 claims description 60
- 238000000576 coating method Methods 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 238000005229 chemical vapour deposition Methods 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910002804 graphite Inorganic materials 0.000 claims description 11
- 239000010439 graphite Substances 0.000 claims description 11
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 11
- 235000012239 silicon dioxide Nutrition 0.000 claims description 11
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 10
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 10
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 239000010453 quartz Substances 0.000 claims description 6
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 claims description 5
- 239000002296 pyrolytic carbon Substances 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 229910003468 tantalcarbide Inorganic materials 0.000 claims description 5
- 238000007665 sagging Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 13
- 238000012545 processing Methods 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 5
- 238000005240 physical vapour deposition Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 238000010921 in-depth analysis Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/458—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
- C23C16/4581—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber characterised by material of construction or surface finish of the means for supporting the substrate
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/458—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
- C23C16/4582—Rigid and flat substrates, e.g. plates or discs
- C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
- C23C16/4585—Devices at or outside the perimeter of the substrate support, e.g. clamping rings, shrouds
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/12—Substrate holders or susceptors
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68735—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by edge profile or support profile
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/6875—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a plurality of individual support members, e.g. support posts or protrusions
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68771—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by supporting more than one semiconductor substrate
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Chemical Vapour Deposition (AREA)
- Packaging Frangible Articles (AREA)
Abstract
Description
Claims (46)
- 화학적 증기 증착 시스템에서 반도체 기판 웨이퍼를 잡아주는 웨이퍼 홀더에 있어서,최상부 표면을 갖는 홀더 몸체;상기 홀더 몸체의 최상부 표면에 있고, 외측 주변부 및 내부 영역을 갖는 원형 웨이퍼 후퇴부;상기 홀더 몸체의 최상부 표면에 배치되고, 그 각각이 상기 웨이퍼 후퇴부의 외측 주변부에 인접한 곳에서 시작하고 상기 웨이퍼 후퇴부의 내부 영역을 향하여 연장되어 상기 내부 영역에서 끝나는 복수의 슬롯; 및상기 웨이퍼 후퇴부의 외측 주변부 주위에서 연장되는 원형 홈을 포함하는 것을 특징으로 하는 웨이퍼 홀더.
- 삭제
- 제1항에 있어서,모든 슬롯들이 상기 원형 홈으로부터 상기 웨이퍼 후퇴부의 내부 영역을 향하여 반경방향으로 연장되는 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,상기 홀더 몸체는 흑연, 실리콘 질화물, 실리콘 탄화물, 쿼츠(quartz) 또는 알루미늄 산화물 중 1이상으로부터 형성되는 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,표면 코팅은 적어도 상기 홀더 몸체의 최상부 표면에 도포되는 것을 특징으로 하는 웨이퍼 홀더.
- 제5항에 있어서,상기 표면 코팅은, 실리콘 탄화물, 실리콘 질화물, 파이어라이틱 그래파이트(pyrolytic graphite), 파이어라이틱 카본, 다이아몬드, 알루미늄 질화물, 알루미늄 산화물, 실리콘 이산화물 또는 탄탈룸 탄화물 중 1이상으로부터 형성되는 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,상기 웨이퍼 후퇴부는 오목한 표면을 둘러싸는 것을 특징으로 하는 웨이퍼 홀더.
- 제7항에 있어서,상기 웨이퍼 후퇴부의 오목한 표면은 상기 웨이퍼 후퇴부에 배치되는 기판 웨이퍼와 오목한 표면 사이에 갭을 형성하여 기판 웨이퍼 아래의 가스 유동을 돕도록 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제7항에 있어서,상기 웨이퍼 후퇴부의 오목한 표면의 프로파일은, 상기 웨이퍼 후퇴부에 배치되는 기판 웨이퍼의 표면에 걸쳐 균일한 온도 프로파일의 유지를 돕도록 고온에서 처진 웨이퍼의 프로파일과 매칭되거나 근사화되는 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,상기 슬롯들의 개수는 상기 웨이퍼 후퇴부에 배치되는 기판 웨이퍼의 열적 프로파일과 관련한 부정적인 효과를 최소화시키도록 선택되는 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,상기 슬롯들의 개수는 상기 기판 웨이퍼 아래의 충분한 가스 유동이 로딩 및 언로딩 작업들을 도울 수 있도록 선택되는 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,상기 슬롯들의 크기는 상기 웨이퍼 후퇴부에 배치되는 기판 웨이퍼의 열적 프로파일 또는 뒷면 마킹(backside markings)과 관련한 부정적인 효과를 최소화시 키도록 선택되는 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,상기 슬롯들의 크기는 로딩 및 언로딩 작업을 돕기 위한 목적으로 기판 웨이퍼 아래에 효과적인 가스 유동을 제공하도록 선택되는 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,상기 복수의 슬롯 각각은 0.030 in. 내지 1.000 in.의 길이로 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제14항에 있어서,상기 복수의 슬롯 각각은 0.035 in. 내지 0.065 in.의 길이로 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,상기 복수의 슬롯 각각은 0.010 in. 내지 0.030 in.의 폭으로 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제16항에 있어서,상기 복수의 슬롯 각각은 0.015 in. 내지 0.025 in.의 폭으로 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,상기 복수의 슬롯 각각은 0.001 in. 이상의 깊이로 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제18항에 있어서,상기 복수의 슬롯 각각은 0.004 in. 내지 0.008 in.의 깊이로 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,상기 웨이퍼 홀더는 서셉터인 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,상기 웨이퍼의 에지를 지지하는 둘레 레지를 더 포함하는 것을 특징으로 하는 웨이퍼 홀더.
- 제21항에 있어서,상기 복수의 슬롯들은 적어도 부분적으로 상기 둘레 레지에 배치되는 것을 특징으로 하는 웨이퍼 홀더.
- 제3항에 있어서,상기 웨이퍼 후퇴부는 제1웨이퍼 후퇴부이고, 상기 복수의 슬롯들은 복수의 제1슬롯들이며, 상기 웨이퍼 홀더는:상기 제1웨이퍼 후퇴부에 인접한 상기 홀더 몸체의 최상부 표면에 있고, 외측 주변부 및 내부 영역을 갖는 제2웨이퍼 후퇴부; 및상기 홀더 몸체의 최상부 표면에 배치되고, 그 각각이 상기 제2웨이퍼 후퇴부의 외측 주변부에 인접한 곳에서 시작되고, 상기 제2웨이퍼 후퇴부의 내부 영역을 향하여 연장되어 상기 내부 영역에서 끝나는 복수의 제2슬롯을 더 포함하는 것을 특징으로 하는 웨이퍼 홀더.
- 화학적 증기 증착 시스템에서 반도체 기판 웨이퍼를 잡아주는 웨이퍼 홀더에 있어서,최상부 표면을 갖는 홀더 몸체;상기 홀더 몸체의 최상부 표면에 있고, 외측 주변부 및 내부 영역을 갖는 원형 웨이퍼 후퇴부; 및상기 홀더 몸체의 최상부 표면에 배치되고, 그 각각이 상기 웨이퍼 후퇴부의 외측 주변부에 인접한 곳에서 시작되고, 상기 웨이퍼 후퇴부의 내부 영역을 향하여 연장되어 상기 내부 영역에서 끝나는 복수의 비-교차 슬롯들; 및상기 웨이퍼 후퇴부의 외측 주변부 주위에서 연장되는 원형 홈을 포함하는 것을 특징으로 하는 웨이퍼 홀더.
- 삭제
- 제24항에 있어서,모든 슬롯들이 상기 원형 홈으로부터 상기 웨이퍼 후퇴부의 내부 영역을 향하여 반경방향으로 연장되는 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,상기 홀더 몸체는 흑연, 실리콘, 실리콘 질화물, 실리콘 탄화물, 쿼츠 또는 알루미늄 산화물 중 1이상으로부터 형성되는 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,표면 코팅은 적어도 상기 홀더 몸체의 최상부 표면에 도포되는 것을 특징으로 하는 웨이퍼 홀더.
- 제28항에 있어서,상기 표면 코팅은, 실리콘 탄화물, 실리콘 질화물, 파이어라이틱 그래파이 트, 파이어라이틱 카본, 다이아몬드, 알루미늄 질화물, 알루미늄 산화물, 실리콘 이산화물 또는 탄탈룸 탄화물 중 1이상으로부터 형성되는 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,상기 웨이퍼 후퇴부는 오목한 표면을 둘러싸는 것을 특징으로 하는 웨이퍼 홀더.
- 제30항에 있어서,상기 웨이퍼 후퇴부의 오목한 표면은 상기 웨이퍼 후퇴부에 배치되는 기판 웨이퍼와 오목한 표면 사이에 갭을 형성하여 기판 웨이퍼 아래의 가스 유동을 돕도록 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제30항에 있어서,상기 웨이퍼 후퇴부의 오목한 표면의 프로파일은, 상기 웨이퍼 후퇴부에 배치되는 기판 웨이퍼의 표면에 걸쳐 균일한 온도 프로파일의 유지를 돕도록 고온에서 처진 웨이퍼의 프로파일과 매칭되거나 근사화되는 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,상기 슬롯들의 개수는 상기 웨이퍼 후퇴부에 배치되는 기판 웨이퍼의 열적 프로파일과 관련한 부정적인 효과를 최소화시키도록 선택되는 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,상기 슬롯들의 개수는 상기 기판 웨이퍼 아래의 충분한 가스 유동이 로딩 및 언로딩 작업들을 도울 수 있도록 선택되는 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,상기 슬롯들의 크기는 상기 웨이퍼 후퇴부에 배치되는 기판 웨이퍼의 열적 프로파일 또는 뒷면 마킹과 관련한 부정적인 효과를 최소화시키도록 선택되는 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,상기 슬롯들의 크기는 로딩 및 언로딩 작업을 돕기 위한 목적으로 기판 웨이퍼 아래에 효과적인 가스 유동을 제공하도록 선택되는 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,상기 복수의 슬롯 각각은 0.030 in. 내지 1.000 in.의 길이로 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제37항에 있어서,상기 복수의 슬롯 각각은 0.035 in. 내지 0.065 in.의 길이로 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,상기 복수의 슬롯 각각은 0.010 in. 내지 0.030 in.의 폭으로 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제39항에 있어서,상기 복수의 슬롯 각각은 0.015 in. 내지 0.025 in.의 폭으로 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,상기 복수의 슬롯 각각은 0.001 in. 이상의 깊이로 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제41항에 있어서,상기 복수의 슬롯 각각은 0.004 in. 내지 0.008 in.의 깊이로 되어 있는 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,상기 웨이퍼 홀더는 서셉터인 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,상기 웨이퍼의 에지를 지지하는 둘레 레지를 더 포함하는 것을 특징으로 하는 웨이퍼 홀더.
- 제44항에 있어서,상기 복수의 슬롯들은 적어도 부분적으로 상기 둘레 레지에 배치되는 것을 특징으로 하는 웨이퍼 홀더.
- 제26항에 있어서,상기 웨이퍼 후퇴부는 제1웨이퍼 후퇴부이고, 상기 복수의 슬롯들은 복수의 제1슬롯들이며, 상기 웨이퍼 홀더는:상기 제1웨이퍼 후퇴부에 인접한 상기 홀더 몸체의 최상부 표면에 있고, 외측 주변부 및 내부 영역을 갖는 제2웨이퍼 후퇴부; 및상기 홀더 몸체의 최상부 표면에 배치되고, 그 각각이 상기 제2웨이퍼 후퇴부의 외측 주변부에 인접한 곳에서 시작되고, 상기 제2웨이퍼 후퇴부의 내부 영역을 향하여 연장되어 상기 내부 영역에서 끝나는 복수의 제2슬롯을 더 포함하는 것을 특징으로 하는 웨이퍼 홀더.
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WO2005013334A3 (en) | 2007-08-09 |
EP1654752B1 (en) | 2011-06-29 |
ATE514801T1 (de) | 2011-07-15 |
US7582166B2 (en) | 2009-09-01 |
EP1654752A2 (en) | 2006-05-10 |
JP4669476B2 (ja) | 2011-04-13 |
US20050022746A1 (en) | 2005-02-03 |
JP2007518249A (ja) | 2007-07-05 |
EP1654752A4 (en) | 2010-07-21 |
WO2005013334A2 (en) | 2005-02-10 |
KR20060083410A (ko) | 2006-07-20 |
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