JP7296523B2 - 成膜装置およびプレート - Google Patents
成膜装置およびプレート Download PDFInfo
- Publication number
- JP7296523B2 JP7296523B2 JP2022519909A JP2022519909A JP7296523B2 JP 7296523 B2 JP7296523 B2 JP 7296523B2 JP 2022519909 A JP2022519909 A JP 2022519909A JP 2022519909 A JP2022519909 A JP 2022519909A JP 7296523 B2 JP7296523 B2 JP 7296523B2
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- JP
- Japan
- Prior art keywords
- plate
- opening
- gas
- gas supply
- partition
- 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.)
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- 230000008021 deposition Effects 0.000 title claims 2
- 238000005192 partition Methods 0.000 claims description 60
- 239000000758 substrate Substances 0.000 claims description 55
- 238000001816 cooling Methods 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 151
- 229910010271 silicon carbide Inorganic materials 0.000 description 13
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 13
- 239000002994 raw material Substances 0.000 description 12
- 230000005855 radiation Effects 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 230000001629 suppression Effects 0.000 description 10
- 239000012159 carrier gas Substances 0.000 description 9
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 238000000638 solvent extraction Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 description 5
- 229910003468 tantalcarbide Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- -1 etc.) Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- H—ELECTRICITY
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- 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
- H01L21/68785—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 the mechanical construction of the susceptor, stage or support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
- H01L21/67103—Apparatus for thermal treatment mainly by conduction
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- C23C16/45512—Premixing before introduction in the reaction chamber
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C23C16/52—Controlling or regulating the coating process
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- 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
- C30B25/10—Heating of the reaction chamber or the substrate
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- C—CHEMISTRY; METALLURGY
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- C30B25/14—Feed and outlet means for the gases; Modifying the flow of the reactive gases
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- H—ELECTRICITY
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- H01L21/67098—Apparatus for thermal treatment
- H01L21/67109—Apparatus for thermal treatment mainly by convection
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- 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
- C23C16/22—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 deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/32—Carbides
- C23C16/325—Silicon carbide
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- 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
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
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Description
図1は、第1実施形態による成膜装置1の構成例を示す断面図である。成膜装置1は、チャンバ10と、ライナ20と、冷却部31、35と、ガス供給部40と、排気部50と、サセプタ60と、支持部70と、回転機構80と、下部ヒータ90と、上部ヒータ95と、リフレクタ100と、ライナ110と、プレート120、断熱材96とを備えている。
図10は、第2実施形態によるプレート120および第1開口部OP1との配置関係を示す図である。第2実施形態では、プレート120は、図6を参照して説明した第3開口部(パイロ光路)OP3に対応する位置に第4開口部OP4を有する。第4開口部OP4の径は、第3開口部OP3の径と同じかそれよりも大きいことが好ましい。第4開口部OP4は、第3開口部OP3からの水素ガスを、プレート120とガス供給部40との間の間隙GPに供給することなく、チャンバ10へ流すことができる。また、第3開口部OP3がプレート120に遮られない。よって、放射温度計は、第3開口部OP3を介して基板Wの温度を正確に測定が可能になる。
図11は、第3実施形態によるプレート120の構成例を示す図である。図12は、図11の12-12線に沿った断面図である。第3実施形態によれば、仕切部121a、121bが、着脱可能な複数の治具(例えば、図13の150a、150bなど)によって構成されている。仕切部121a、121bは、プレート120へのガスの供給方向から見た平面レイアウトにおいて、略方形、略円形、略楕円形、略多角形のいずれであってもよい。仕切部121a、121bは、複数の治具150a、150bなどを組み合わせることによって、プレート120上において任意の平面形状に構成することができる。このように、第3実施形態では、仕切部121a、121bが、プレート120と別体として設けられており、複数の治具150a、150bなどの組み合わせによって、プレート領域R1~R3を任意に仕切ることができる。仕切部121a、121bを構成する複数の治具150a、150bなどには、プレート120と同じ材料(例えば、石英)を用いてよい。また、仕切部121a、121bは、それぞれ一体形成されていてもよい。一方、仕切部121a、121bは、図12に示すように、下部と上部とに分かれていてもよい。この場合、仕切部121a、121bは、それぞれ下部と上部とを接続することによって構成される。
図16は、第3実施形態の変形例によるプレート120の構成例を示す図である。本変形例によれば、プレート120へのガスの供給方向から見た平面レイアウトにおいて、仕切部121a、121bの平面形状が図11のそれと異なる。本変形例のその他の構成は、第3実施形態の構成と同様でよい。このように、仕切部121a、121bの平面形状は、治具の形状および組み合わせによって任意に変更可能である。また、仕切部の数は、3つ以上であってもよい。仕切部の数を増大させることによって、プレート領域をより細かく区分けすることができる。本変形例は、第3実施形態と同様の効果を得ることができる。
Claims (17)
- 基板を収容可能な成膜室と、
前記成膜室の上部に設けられ前記基板の成膜面上にプロセスガスを供給する複数のノズルと、前記プロセスガスの温度上昇を抑制する冷却部と、を有するガス供給部と、
前記基板を1500℃以上に加熱するヒータと、
前記成膜室内において前記複数のノズルの第1開口部が形成された前記ガス供給部の下面に対向し、該下面と離間して配置されたプレートを備え、
前記プレートは、
前記第1開口部よりも小さな径を有し、該プレート面内に略均等に配置された複数の第2開口部と、
前記ガス供給部との対向面に突出し、前記プレートの面内を複数領域に仕切る仕切部と、を含む、成膜装置。 - 前記プレートは、前記仕切部で囲まれた第1プレート領域と、前記仕切部の外周側にある第2プレート領域とを有し、
前記第1プレート領域と前記第2プレート領域に、互いに異なる濃度または互いに異なる流量で前記ガス供給部から前記プロセスガスを供給する、請求項1に記載の成膜装置。 - 複数の前記仕切部が、前記対向面において同心円状に設けられる、請求項1に記載の成膜装置。
- 前記ガス供給部は、前記成膜室の内部温度を測定するための第3開口部を有し、
前記プレートは、前記第3開口部に対向する位置に、前記第3開口部と同じかよりも大きな第4開口部を有し、前記仕切部は、さらに前記第4開口部の周囲に設けられる、請求項1に記載の成膜装置。 - 前記仕切部は、前記第4開口部の周囲に設けられている、請求項4に記載の成膜装置。
- 前記ノズルが対向する前記プレートの対向位置にも、前記第2開口部が設けられている、請求項1に記載の成膜装置。
- 前記ガス供給部と前記プレートとの間の間隙は、1.0mm~8.0mmであり、
前記ガス供給部と前記仕切部との間の間隙は、0.5mm~2mmである、請求項1に記載の成膜装置。 - 前記第2開口部の径は、0.5mm~5mmである、請求項1に記載の成膜装置。
- 前記仕切部は、前記プレートに着脱可能に取り付けられている、請求項1に記載の成膜装置。
- 前記仕切部は、前記第2開口部に嵌め込まれる突起部を有する、請求項9に記載の成膜装置。
- 成膜室内の基板の成膜面上にガスを供給するガス供給部と対向し、該ガス供給部から離間して配置されたプレートであって、
前記ガス供給部に設けられ前記ガスを供給するノズルの第1開口部よりも小さな径を有し、該プレート面内に略均等に配置された複数の第2開口部と、
前記ガス供給部に対する対向面において突出する仕切部と、を備えるプレート。 - 前記仕切部で囲まれた第1プレート領域と、前記仕切部の外周側にある第2プレート領域とを有する、請求項11に記載のプレート。
- 複数の前記仕切部が、前記対向面において同心円状に設けられる、請求項11に記載のプレート。
- 前記ガス供給部は、前記成膜室の内部温度を測定するための第3開口部を有し、
前記第3開口部に対向する位置に、前記第3開口部と同じかよりも大きな第4開口部を有し、前記仕切部は、さらに前記第4開口部の周囲に設けられる、請求項11に記載のプレート。 - 前記ノズルが対向する前記プレートの対向位置にも、前記第2開口部が設けられている、請求項11に記載のプレート。
- 前記仕切部は、当該プレートに着脱可能に取り付けられている、請求項11に記載のプレート。
- 前記仕切部は、前記第2開口部に嵌め込まれる突起部を有する、請求項16に記載のプレート。
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KR20090071729A (ko) * | 2007-12-28 | 2009-07-02 | 주식회사 디엠에스 | 탄소나노튜브 제조용 샤워헤드 |
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JP2012169409A (ja) | 2011-02-14 | 2012-09-06 | Toshiba Corp | 半導体製造装置および半導体装置の製造方法 |
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JP2018082063A (ja) | 2016-11-16 | 2018-05-24 | 株式会社ニューフレアテクノロジー | 成膜装置 |
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