JP2010185091A - Cvd装置 - Google Patents
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- JP2010185091A JP2010185091A JP2009028065A JP2009028065A JP2010185091A JP 2010185091 A JP2010185091 A JP 2010185091A JP 2009028065 A JP2009028065 A JP 2009028065A JP 2009028065 A JP2009028065 A JP 2009028065A JP 2010185091 A JP2010185091 A JP 2010185091A
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- 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 2
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- 239000010410 layer Substances 0.000 description 1
- 239000005055 methyl trichlorosilane Substances 0.000 description 1
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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
- C23C16/4581—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
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- 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
- C23C16/4587—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially vertically
- C23C16/4588—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially vertically the substrate being rotated
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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
- H01L21/683—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
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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
- H01L21/683—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
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Abstract
【解決手段】 炭素質基材10の一部に凹状のマスキング部10aが形成され、このマスキング部10aにマスキング冶具7を嵌め込んだ状態で、内部にガスを導入することにより、マスキング冶具7により覆われた部位を除いた炭素質基材10の表面にSiC被膜を形成するCVD装置において、上記マスキング冶具7を被膜形成用冶具2に固定することにより、上記炭素質基材10を被膜形成用冶具2で支持し、且つ、鉛直軸9に対する上記炭素質基材10の主面の角度が2°となるように構成されていることを特徴とする。
【選択図】図3
Description
即ち、炭素質基材60を横向きで被膜形成を行うと、炭素質基材60のザグリ面60aにゴミや剥離片等のパーティクルが存在するという状態でSiC被膜が形成されることになる。このような状態となったサセプターを用いてSiC被膜の形成を行うと、パーティクルが影響して、ザグリ内に収納されたウエハがザグリ面内で動き、ザグリ部の側面と接触する結果、ウエハにカケやクラックが発生し、最悪の場合、ウエハがザグリ内から飛び出すといった不具合が生じる。また、膜厚が均一でないことに起因して色むらが生じるという課題も有していた。
更に、マスキング冶具に覆われているマスキング部はSiC被膜が形成されない一方、マスキング部を除く炭素質基材の表面は完全な露出状態となっているので、マスキング部を除く炭素質基材の表面には、SiC被膜が均一にコーティングされる。したがって、色むらが生じるのを抑止できる。
加えて、炭素質基材は縦向きの状態で支持されるため、炭素質基材の自重によってサセプターに反りが発生するのを抑制できる。また、マスキング部と炭素質基材とはしっかりと固定されているので、炭素質基材と治具との間に空間やずれが生じにくくサセプターは脱落し難い。
更に、回転支持秤などの駆動手段等を別途必要としないので、CVD装置の生産コストの高騰や、CVD装置の大型化を招来するのを防止できる。
このような構成であれば、SiC被膜形成中に炭素質基材が落下するのを抑制できる効果と、ザグリ内にパーティクルが溜まるのを抑制できる効果とが一層発揮されることになる。
このような構造であれば、炭素質基材とマスキング冶具との嵌合がより強固なものとなるので、炭素質基材がマスキング冶具から落下するのを一層抑制でき、且つ、炭素質基材とマスキング冶具との間に空間が生じるのが抑制されるので、マスキング部内に皮膜形成用のガスが侵入するのを抑えることができ、しかも、熱膨張シートはSiC被膜より強度が小さいということに起因して、被膜形成終了後にマスキング冶具をサセプターから取り外す際、サセプターからSiC被膜が剥がれるのを阻止できる。
CVD装置の内部においては、中央部と周辺部とでは原料ガス供給部からの距離が異なるが、各炭素質基材は装置の中心から等距離となるように配置されていれば、炭素質基材の配置位置による原料ガス供給部からの距離の差異は解消されるので、何れのサセプターにおいても、そのそり量を低減できる。
先ず、同図(a)に示すように、被膜形成用冶具2と、マスキング冶具7と、炭素質基材10とを用意した後、同図(b)に示すように、炭素質基材10のマスキング部(凹部)10aに、マスキング冶具7の本体部7bを嵌め合わせる。しかる後、同図(c)に示すように、MOCVD用ネジ6のネジ穴6aに、マスキング冶具7のネジ部7aを螺合した後、多数の被膜形成用冶具2を回転台1の外周近傍に配置することにより、被膜形成準備が完了する。
(1)上記形態では、水平軸8に対して上向きにθだけ傾くようにMOCVD用ネジ6が固定される(即ち、炭素質基材10の傾きを固定している)が、このような構造に限定するものではなく、図6に示すように、MOCVD用キュービクル5に対してMOCVD用ネジ6がA方向、B方向に回動可能な構成としても良い。このような構成であれば、皮膜形成条件等に応じて、炭素質基材10の傾きを変化させることが可能となる。
〔実施例1〕
上記発明を実施するための形態で示したCVD装置を用いてサセプターを作製した。
このようにして作製したサセプターを、以下、本発明サセプターA1と称する。
鉛直軸9に対するサセプター主面の上向き角度θを、それぞれ、1.0°、1.5°、2.5°、3.0°、4.0°、及び、5.0°としたCVD装置を用いた他は、上記実施例1と同様にしてサセプターを作製した。
このようにして作製したサセプターを、以下それぞれ、本発明サセプターA2〜A7と称する。
鉛直軸9に対するサセプター主面の上向き角度(以下、傾斜角度と称する場合がある)θをそれぞれ、0°及び90°としたCVD装置を用いた他は、上記実施例1と同様にしてサセプターを作製した。
このようにして作製したサセプターを、以下それぞれ、比較サセプターZ1、Z2と称する。
上記本発明サセプターA1〜A7及び比較サセプターZ1、Z2の作製時における炭素質基材の脱落割合とパーティクル堆積領域とについて調べたので、その結果を表1に示す。尚、実験条件(被膜形成条件)は、以下の通りである。
・実験条件
装置内の圧力:0.1〜760Torr
炉内の温度:1150〜1500℃
導入ガス:CH3SiCl3(メチルトリクロロシラン)と、
キャリアガスとして水素ガス
SiC被膜の膜厚:40〜60μm
以上のことを考慮すれば、傾斜角度θは、0°<θ<90°である必要があり、特に1.0°≦θ≦4.0°(その中でも1.5°≦θ≦2.5°)に規制するのが好ましい。
2:被膜形成用冶具
6:MOCVD用ネジ
7:マスキング冶具
7b:本体部
8:水平軸
9:鉛直軸
10:炭素質基材
10a:マスキング部
Claims (4)
- 板状の炭素質基材の一部に凹状のマスキング部が形成され、このマスキング部にマスキング冶具を嵌め込んだ状態で、内部にガスを導入することにより、マスキング冶具により覆われた部位を除いた炭素質基材の表面にSiC被膜を形成するCVD装置において、
上記マスキング冶具を被膜形成用冶具に固定することにより、上記炭素質基材を被膜形成用冶具で支持し、且つ、上記炭素質基材の主面の鉛直軸に対する上向き角度が0°を超え90°未満となるように構成されていることを特徴とするCVD装置。 - 上記鉛直軸に対する上記炭素質基材の主面の上向き角度が1.5°以上2.5°以下となっている、請求項1に記載のCVD装置。
- 上記炭素質基材とマスキング冶具との間には熱膨張シートが配置されている、請求項1又は2に記載のCVD装置。
- 複数の被膜形成用冶具を用いて炭素質基材の表面にSiC被膜を形成する場合に、各炭素質基材は装置の中心から等距離となるように配置される、請求項1〜3の何れか1項に記載のCVD装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009028065A JP5394092B2 (ja) | 2009-02-10 | 2009-02-10 | Cvd装置 |
KR1020117016060A KR20110113612A (ko) | 2009-02-10 | 2010-01-29 | Cvd 장치 |
PCT/JP2010/051201 WO2010092878A1 (ja) | 2009-02-10 | 2010-01-29 | Cvd装置 |
CN2010800037896A CN102264944B (zh) | 2009-02-10 | 2010-01-29 | Cvd装置 |
US13/148,852 US20110308459A1 (en) | 2009-02-10 | 2010-01-29 | Cvd apparatus |
EP10741157.1A EP2397575B1 (en) | 2009-02-10 | 2010-01-29 | Cvd device |
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JP2009028065A JP5394092B2 (ja) | 2009-02-10 | 2009-02-10 | Cvd装置 |
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JP2010185091A true JP2010185091A (ja) | 2010-08-26 |
JP5394092B2 JP5394092B2 (ja) | 2014-01-22 |
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JP2009028065A Active JP5394092B2 (ja) | 2009-02-10 | 2009-02-10 | Cvd装置 |
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US (1) | US20110308459A1 (ja) |
EP (1) | EP2397575B1 (ja) |
JP (1) | JP5394092B2 (ja) |
KR (1) | KR20110113612A (ja) |
CN (1) | CN102264944B (ja) |
WO (1) | WO2010092878A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013054876A1 (ja) * | 2011-10-14 | 2013-04-18 | 東洋炭素株式会社 | Cvd装置、該cvd装置を用いたサセプターの製造方法、及びサセプター |
KR101416583B1 (ko) * | 2013-04-26 | 2014-07-09 | 주식회사 케이엔제이 | 물질전달 지배 반응에 의한 서셉터 제조방법과 장치 및 그에 의해 제조된 서셉터 |
KR101423464B1 (ko) | 2014-03-10 | 2014-07-28 | 주식회사 케이엔제이 | 물질전달 지배 반응에 의한 서셉터 제조장치 |
WO2020003722A1 (ja) * | 2018-06-27 | 2020-01-02 | 株式会社アドマップ | SiC部材 |
JP2020158870A (ja) * | 2019-03-28 | 2020-10-01 | 住友金属鉱山株式会社 | 支持基板、支持基板の保持方法、及び、成膜方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101473161B1 (ko) * | 2012-10-31 | 2014-12-16 | 송민우 | 패턴코드 인식용 멀티미디어 재생장치 및 그 구동방법 |
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KR101423464B1 (ko) | 2014-03-10 | 2014-07-28 | 주식회사 케이엔제이 | 물질전달 지배 반응에 의한 서셉터 제조장치 |
WO2020003722A1 (ja) * | 2018-06-27 | 2020-01-02 | 株式会社アドマップ | SiC部材 |
JP2020004811A (ja) * | 2018-06-27 | 2020-01-09 | 株式会社アドマップ | SiC部材 |
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JP2020158870A (ja) * | 2019-03-28 | 2020-10-01 | 住友金属鉱山株式会社 | 支持基板、支持基板の保持方法、及び、成膜方法 |
JP7279465B2 (ja) | 2019-03-28 | 2023-05-23 | 住友金属鉱山株式会社 | 支持基板、支持基板の保持方法、及び、成膜方法 |
Also Published As
Publication number | Publication date |
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JP5394092B2 (ja) | 2014-01-22 |
US20110308459A1 (en) | 2011-12-22 |
KR20110113612A (ko) | 2011-10-17 |
CN102264944A (zh) | 2011-11-30 |
WO2010092878A1 (ja) | 2010-08-19 |
CN102264944B (zh) | 2013-06-26 |
EP2397575A4 (en) | 2013-10-16 |
EP2397575A1 (en) | 2011-12-21 |
EP2397575B1 (en) | 2015-03-25 |
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