JP2020190455A - 検出装置及び真空処理装置 - Google Patents
検出装置及び真空処理装置 Download PDFInfo
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- JP2020190455A JP2020190455A JP2019095305A JP2019095305A JP2020190455A JP 2020190455 A JP2020190455 A JP 2020190455A JP 2019095305 A JP2019095305 A JP 2019095305A JP 2019095305 A JP2019095305 A JP 2019095305A JP 2020190455 A JP2020190455 A JP 2020190455A
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Abstract
Description
Claims (4)
- 真空雰囲気で処理対象物に対して真空処理を施す真空処理装置の真空チャンバ内に設置されて、真空雰囲気中に浮遊する不純物を検出するための検出装置において、
水晶基板の表裏両面に励振電極を形成してなる水晶振動子と、表側励振電極と裏側励振電極との間に電圧を印加してその電位差により水晶振動子を励振させる励振手段と、水晶振動子の重量変化に伴う共振周波数の変化量から不純物を検出する検出手段とを備え、
真空雰囲気に曝される表側励振電極は、互いに隔離された第1電極部と第2電極部とを有し、第1電極部を真空雰囲気から遮蔽すると共に真空チャンバに存する部品から放射される熱線の透過を許容するカバー体を更に備え、
第1電極部と裏側励振電極との間に電圧を印加して検出した共振周波数の変化量を第1変化量、第2電極部と裏側励振電極との間に電圧を印加して検出した共振周波数の変化量を第2変化量とし、検出手段は、第1変化量と第2変化量の差から不純物を検出するように構成されることを特徴とする検出装置。 - 前記表側励振電極の表面に、前記真空チャンバ内に浮遊する前記不純物を吸着する機能膜が積層されていることを特徴とする請求項1記載の検出装置。
- 前記機能膜は、ITO膜、IZO膜、ZnO膜、SiO2膜、SnO2膜、TiO2膜、ZrO2膜のいずれかであることを特徴とする請求項2記載の検出装置。
- 真空チャンバと、真空チャンバ内に設置されて真空雰囲気で処理対象物に対して真空処理を施す処理ユニットとを備え、真空チャンバ内に、請求項1〜3のいずれか1項に記載の検出装置が設けられる真空処理装置において、
前記検出手段によって第1変化量と第2変化量の差から前記不純物が検出されたときに、真空処理の異常を報知する報知手段と、処理ユニットの作動を停止する停止手段との少なくとも一方を更に備えることを特徴とする真空処理装置。
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JP7503481B2 (ja) | 2020-11-17 | 2024-06-20 | 株式会社アルバック | 膜厚モニタ |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03282349A (ja) * | 1990-03-30 | 1991-12-12 | Nok Corp | 湿度の検出方法 |
JPH0434334A (ja) * | 1990-05-31 | 1992-02-05 | Nok Corp | 湿度の検出方法 |
JP2001242057A (ja) * | 2000-02-28 | 2001-09-07 | Natl Inst Of Advanced Industrial Science & Technology Meti | 簡易小型ガスまたは大気中浮遊微粒子検出装置 |
JP2005043123A (ja) * | 2003-07-24 | 2005-02-17 | Seiko Epson Corp | 液滴重量測定装置および液滴吐出装置 |
JP2006337332A (ja) * | 2005-06-06 | 2006-12-14 | Ngk Insulators Ltd | 物質検出装置 |
JP2008122200A (ja) * | 2006-11-10 | 2008-05-29 | Ulvac Japan Ltd | 膜厚測定方法 |
US20140083167A1 (en) * | 2012-09-21 | 2014-03-27 | Msp Corporation | Particle sampling and measurement in the ambient air |
JP2014062310A (ja) * | 2012-09-24 | 2014-04-10 | Hitachi High-Technologies Corp | 膜厚センサ並びにそれを用いた真空蒸着装置及び真空蒸着方法 |
JP2016205874A (ja) * | 2015-04-17 | 2016-12-08 | 株式会社日立産機システム | 樹脂の劣化計測センサおよび劣化計測システム |
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Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03282349A (ja) * | 1990-03-30 | 1991-12-12 | Nok Corp | 湿度の検出方法 |
JPH0434334A (ja) * | 1990-05-31 | 1992-02-05 | Nok Corp | 湿度の検出方法 |
JP2001242057A (ja) * | 2000-02-28 | 2001-09-07 | Natl Inst Of Advanced Industrial Science & Technology Meti | 簡易小型ガスまたは大気中浮遊微粒子検出装置 |
JP2005043123A (ja) * | 2003-07-24 | 2005-02-17 | Seiko Epson Corp | 液滴重量測定装置および液滴吐出装置 |
JP2006337332A (ja) * | 2005-06-06 | 2006-12-14 | Ngk Insulators Ltd | 物質検出装置 |
JP2008122200A (ja) * | 2006-11-10 | 2008-05-29 | Ulvac Japan Ltd | 膜厚測定方法 |
US20140083167A1 (en) * | 2012-09-21 | 2014-03-27 | Msp Corporation | Particle sampling and measurement in the ambient air |
JP2014062310A (ja) * | 2012-09-24 | 2014-04-10 | Hitachi High-Technologies Corp | 膜厚センサ並びにそれを用いた真空蒸着装置及び真空蒸着方法 |
JP2016205874A (ja) * | 2015-04-17 | 2016-12-08 | 株式会社日立産機システム | 樹脂の劣化計測センサおよび劣化計測システム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7503481B2 (ja) | 2020-11-17 | 2024-06-20 | 株式会社アルバック | 膜厚モニタ |
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