JP5065306B2 - 気相成長用SiC製治具 - Google Patents
気相成長用SiC製治具 Download PDFInfo
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- JP5065306B2 JP5065306B2 JP2009001629A JP2009001629A JP5065306B2 JP 5065306 B2 JP5065306 B2 JP 5065306B2 JP 2009001629 A JP2009001629 A JP 2009001629A JP 2009001629 A JP2009001629 A JP 2009001629A JP 5065306 B2 JP5065306 B2 JP 5065306B2
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Description
光源:ハロゲンランプ
検出器:フォトマル(500−895nm)、PbS(895−3200nm)
測定波長:500−2500nm
スリット幅:7.5nm(500−895nm)、20nm(895−2500nm)
参照:空気
なお、本測定は、空調管理下の25±1℃で実施したものである。
装置型式:タリサーフ6型
測定距離:4.0mm Gaussian filter使用
測定倍率とcut−off:JIS B 0601−1994に準ずる。
走査方向:研削加工面は方向性を持つ可能性があることを考慮して、全ての試料で2以上の方向(例えば、2方向、3方向、4方向)で走査するのが望ましいが、測定効率の観点から、端面に平行でかつ直交する2方向を走査した(研削加工品は研削方向に平行と直交になる)。
以上からも明らかなように、種々の実験結果により、表面粗さと、反射率・透過率をパラメータにした放射率との組み合わせは、従来の、透過率のみ制御した場合や、粗さのみで規定した場合に比較して、特性として好ましい80%以上の反射率を、確実にかつある程度制御可能という点で優れていることが確認できた。
Claims (2)
- 半導体基板を載置する載置表面を有する気相成長用SiC製治具において、放射率+透過率+反射率=1(100%)という関係によって透過率と反射率を制御することによって放射率が管理されており、室温における前記載置表面の拡散反射率と拡散透過率の和を0.11%以上20%以下とし、かつ前記載置表面の平均粗さ(Ra)の値が単位μmにおいて気相成長の工程最大使用温度における黒体放射強度が最大になる波長の0.02倍以上0.2倍以下の値とし、600℃から1100℃における高温放射率を80%以上とする、気相成長用SiC製治具。
- 気相成長用SiC製治具は、前記室温における拡散反射率が、測定光の波長1μmにおいて0.08%以上18%以下であり、前記室温における拡散透過率が測定光の波長1μmにおいて0.03%以上2%以下である、請求項1に記載の気相成長用SiC製治具。
Priority Applications (1)
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JP2009001629A JP5065306B2 (ja) | 2008-12-25 | 2009-01-07 | 気相成長用SiC製治具 |
Applications Claiming Priority (3)
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JP2008329985 | 2008-12-25 | ||
JP2008329985 | 2008-12-25 | ||
JP2009001629A JP5065306B2 (ja) | 2008-12-25 | 2009-01-07 | 気相成長用SiC製治具 |
Publications (2)
Publication Number | Publication Date |
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JP2010171029A JP2010171029A (ja) | 2010-08-05 |
JP5065306B2 true JP5065306B2 (ja) | 2012-10-31 |
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JP2009001629A Active JP5065306B2 (ja) | 2008-12-25 | 2009-01-07 | 気相成長用SiC製治具 |
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JP (1) | JP5065306B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3042885B1 (en) * | 2013-09-02 | 2022-06-01 | NGK Insulators, Ltd. | A method comprising using a ceramic material as a thermal switch |
JP6196859B2 (ja) * | 2013-09-18 | 2017-09-13 | クアーズテック株式会社 | ウエハ搭載用部材 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3488804B2 (ja) * | 1997-04-04 | 2004-01-19 | 東芝機械株式会社 | Cvd装置及びcvd装置用のサセプタ |
JP4144057B2 (ja) * | 1997-12-11 | 2008-09-03 | 旭硝子株式会社 | 半導体製造装置用部材 |
JP4043003B2 (ja) * | 1998-02-09 | 2008-02-06 | 東海カーボン株式会社 | SiC成形体及びその製造方法 |
JP2005101161A (ja) * | 2003-09-24 | 2005-04-14 | Hitachi Kokusai Electric Inc | 熱処理用支持具、熱処理装置、熱処理方法、基板の製造方法及び半導体装置の製造方法 |
JP4761948B2 (ja) * | 2004-12-01 | 2011-08-31 | 京セラ株式会社 | 炭化珪素質焼結及びそれを用いた半導体製造装置用部品 |
JP2009079233A (ja) * | 2006-06-16 | 2009-04-16 | Kobe Steel Ltd | 薄膜形成方法 |
JP2008177339A (ja) * | 2007-01-18 | 2008-07-31 | Sumitomo Osaka Cement Co Ltd | 静電チャック |
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