JP4956469B2 - 半導体製造装置 - Google Patents
半導体製造装置 Download PDFInfo
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- JP4956469B2 JP4956469B2 JP2008075956A JP2008075956A JP4956469B2 JP 4956469 B2 JP4956469 B2 JP 4956469B2 JP 2008075956 A JP2008075956 A JP 2008075956A JP 2008075956 A JP2008075956 A JP 2008075956A JP 4956469 B2 JP4956469 B2 JP 4956469B2
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- 239000004065 semiconductor Substances 0.000 title claims description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 36
- 230000007246 mechanism Effects 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 43
- 230000003028 elevating effect Effects 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors
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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
- C23C16/44—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
- C23C16/455—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 introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45587—Mechanical means for changing the gas flow
- C23C16/45591—Fixed means, e.g. wings, baffles
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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
- C23C16/44—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
- C23C16/4584—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally the substrate being rotated
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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
- C23C16/44—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
- C23C16/46—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 heating the substrate
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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
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/14—Feed and outlet means for the gases; Modifying the flow of the reactive gases
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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
- C30B29/02—Elements
- C30B29/06—Silicon
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- 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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
- H01L21/67109—Apparatus for thermal treatment mainly by convection
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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
- H01L21/67115—Apparatus for thermal treatment mainly by radiation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0603—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/063—Reduced surface field [RESURF] pn-junction structures
- H01L29/0634—Multiple reduced surface field (multi-RESURF) structures, e.g. double RESURF, charge compensation, cool, superjunction (SJ), 3D-RESURF, composite buffer (CB) structures
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Description
図1に本実施形態の半導体製造装置の断面図を示す。図に示すように、ウェーハwが成膜処理される反応室11には、回転体12が設置されている。回転体12の上部は、導入されたウェーハを保持するホルダー13が設けられ、その下部にホルダー13を支持するリング14が設けられている。このリング14の内部には、ウェーハを加熱するインヒータ15a、アウトヒータ15bなどが設置されている。そして、回転体12の外周には、放射された熱を反射して熱効率を向上させるための反射板16が設けられている。さらに、この回転体12は、反応室11下部の開口部を介して、ウェーハwを回転させる回転駆動機構17と接続されている。
SiHCl3+H2→Si+3HCl・・・(1)
の反応が右側に進行することにより、Siエピタキシャル膜が形成されるが、SiとともにHClが生成される。(1)に示される反応は、複数の反応からなる平衡反応であるため、排出されるべきHClが逆流し、ガスが置換されないと、ウェーハw上のHClモル比が高くなり、平衡は左側にシフトする。従って、Siの生成反応の進行が抑えられ、エピタキシャル成長率が低下すると考えられる。
図3に本実施形態の半導体製造装置の断面図を示す。図に示すように、反応室11の構成は実施形態1とほぼ同様であるが、昇降機構33はライナー21ではなく、回転体32と接続されている点で異なっている。
図4に本実施形態の半導体製造装置の断面図を示す。図に示すように、反応室11の構成は実施形態1とほぼ同様であるが、昇降機構43はライナー41ではなく、ライナー41と分離され、整流フィン42と一体化された整流板40と接続されている点で異なっている。昇降機構43は、ベローズ配管などを介して接続された複数(例えば3本)のシャフト43aにより整流板40と接続され、昇降可能となっている。
図5に本実施形態の半導体製造装置の断面図を示す。図に示すように、反応室11の構成は実施形態1とほぼ同様であるが、昇降機構53はライナー51ではなく、整流板50と分離された整流フィン52に接続されている点で異なっている。従って、整流板50を昇降させることはできないが、逆流量の抑制に最も寄与する整流フィン52と回転体12上面との距離を制御することができるため、簡単な構造で効果を得ることができる。
11…反応室
12、32…回転体
13…ホルダー
14…リング
15a…インヒータ
15b…アウトヒータ
16…反射板
17…回転駆動機構
18…ガス供給口
19…ガス排出口
20、40…整流板
21、41、51…ライナー
22、42、52…整流フィン
23、33、43、53…昇降機構
43a、53a…シャフト
Claims (5)
- ウェーハが導入され、成膜処理される反応室と、
導入された前記ウェーハを保持するホルダーを上部に備え、前記ウェーハを加熱するヒータが内部に設置される回転体と、
前記回転体に接続され、前記ウェーハを回転させる回転駆動機構と、
前記反応室上方より前記反応室に所定流量のプロセスガスを供給するガス供給機構と、
前記反応室よりガスを排出し、前記反応室内を所定の圧力に制御するガス排出機構と、
供給された前記プロセスガスを整流して前記ホルダーに保持された前記ウェーハ上に供給する整流板と、
前記整流板下部に設置され、上端の内径より下端の内径が大きく、前記ウェーハ上から外周方向に排出されるガスを下方に整流する環状の整流フィンと、
前記整流板と前記ウェーハとの垂直距離、および前記整流フィンと前記回転体上面との垂直距離が、それぞれ所定の距離となるように制御する距離制御機構を備えることを特徴とする半導体製造装置。 - 前記距離制御機構は、前記整流フィンまたは前記回転体を上下する機構であることを特徴とする請求項1に記載の半導体製造装置。
- 前記回転駆動機構による回転数に基づき前記距離制御機構を制御することを特徴とする請求項1又は2に記載の半導体製造装置。
- 前記整流フィンは、前記反応室または前記反応室壁面に近接して設けられるライナーとの間が充填されたバルク状であることを特徴とする請求項1から請求項3のいずれか1項に記載の半導体製造装置。
- 前記整流フィンは、導電体を有し、電圧印加機構と接続され、誘導加熱されることを特徴とする請求項1から請求項3のいずれか1項に記載の半導体製造装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008075956A JP4956469B2 (ja) | 2008-03-24 | 2008-03-24 | 半導体製造装置 |
KR1020090022514A KR101158971B1 (ko) | 2008-03-24 | 2009-03-17 | 반도체 제조장치 및 반도체 제조방법 |
US12/406,796 US20090239362A1 (en) | 2008-03-24 | 2009-03-18 | Apparatus for manufacturing semiconductor device and method for manufacturing semiconductor device |
TW098109378A TWI406324B (zh) | 2008-03-24 | 2009-03-23 | Semiconductor manufacturing apparatus and semiconductor manufacturing method |
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JP2008075956A JP4956469B2 (ja) | 2008-03-24 | 2008-03-24 | 半導体製造装置 |
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JP2009231587A JP2009231587A (ja) | 2009-10-08 |
JP4956469B2 true JP4956469B2 (ja) | 2012-06-20 |
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US (1) | US20090239362A1 (ja) |
JP (1) | JP4956469B2 (ja) |
KR (1) | KR101158971B1 (ja) |
TW (1) | TWI406324B (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5109376B2 (ja) | 2007-01-22 | 2012-12-26 | 東京エレクトロン株式会社 | 加熱装置、加熱方法及び記憶媒体 |
JP2011171450A (ja) * | 2010-02-17 | 2011-09-01 | Nuflare Technology Inc | 成膜装置および成膜方法 |
JP5732284B2 (ja) * | 2010-08-27 | 2015-06-10 | 株式会社ニューフレアテクノロジー | 成膜装置および成膜方法 |
CN103109363B (zh) * | 2010-09-17 | 2015-11-25 | 株式会社爱发科 | 真空处理装置 |
CN102766902B (zh) * | 2011-05-05 | 2015-12-02 | 北京北方微电子基地设备工艺研究中心有限责任公司 | 工艺腔室装置和具有该工艺腔室装置的基片处理设备 |
JP2013207196A (ja) | 2012-03-29 | 2013-10-07 | Nuflare Technology Inc | 成膜装置および成膜方法 |
KR101716355B1 (ko) * | 2012-05-31 | 2017-03-15 | 세메스 주식회사 | 기판처리장치 및 방법 |
KR101937334B1 (ko) * | 2012-10-22 | 2019-01-11 | 세메스 주식회사 | 기판처리장치 |
CN103397308A (zh) * | 2013-08-01 | 2013-11-20 | 光垒光电科技(上海)有限公司 | 用于mocvd设备的喷淋头 |
JP5837962B1 (ja) | 2014-07-08 | 2015-12-24 | 株式会社日立国際電気 | 基板処理装置、半導体装置の製造方法およびガス整流部 |
JP6298383B2 (ja) * | 2014-08-19 | 2018-03-20 | 株式会社日立国際電気 | 基板処理装置及び半導体装置の製造方法 |
KR101792941B1 (ko) * | 2015-04-30 | 2017-11-02 | 어드밴스드 마이크로 패브리케이션 이큅먼트 인코퍼레이티드, 상하이 | 화학기상증착장치 및 그 세정방법 |
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JP2009231587A (ja) | 2009-10-08 |
KR20090101830A (ko) | 2009-09-29 |
KR101158971B1 (ko) | 2012-06-21 |
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