JP2009533551A - 真空処理装置、バイアス電源および真空処理装置の操作方法 - Google Patents
真空処理装置、バイアス電源および真空処理装置の操作方法 Download PDFInfo
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Abstract
Description
Claims (16)
- 少なくとも1つの基材(12)を処理するための真空処理装置(10)であって、処理チャンバ(14)と、少なくとも1つのカソード(16)と、チャンバ内で気相で存在する材料のイオンおよび/またはカソードを形成する材料のイオンを発生するためにカソードに付随した電源(18)と、基材キャリア(20)と、基材キャリアおよびその上に存在する基材に負バイアスを印加するためのバイアス電源(32)とを有し、これにより前記イオンを前記少なくとも1つの基材に引きつけ、前記カソード電源(18)は比較的短い持続時間で比較的高い電力のパルスを、例えばDC動作に比べて低い平均電力レベル、例えば約1KWから100KWの範囲で前記カソードに加えるものである、真空処理装置において、
バイアス電源(32)は、バイアス電流が平均電力または電流のレベルに略対応するレベルで流れることを可能にするようになっており、および
前記少なくとも1つのカソード(16)に加えられる比較的高い電力の電力に適合するバイアス電圧を供給するために、比較的低い誘導性および抵抗性インピーダンスの追加の電圧源(60)がバイアス電源(32)に付随されている、ことを特徴とする真空処理装置。 - 少なくとも1つの基材(12)におけるアーク発生を検出するために適合されたアーク抑制回路(68)が、バイアス電源に付随しており、またバイアス電源(32)および/または追加の電圧源(60)から基材キャリア(20)に加えられる電圧を変更するものである、ことを特徴とする請求項1記載の真空処理装置。
- 基材のバイアス電圧の値をアーク放電を継続させるのに不十分である低い値に低減するために、アーク抑制回路(68)がバイアス電源(32)と追加の電圧源(60)の少なくとも一方に並列に接続されたスイッチ(34)を含んでいる、ことを特徴とする請求項1または2記載の真空処理装置。
- アーク発生の際にバイアス電流が基材(12)に流れるのを遮断するために、アーク抑制回路(68)がバイアス電源(32)と追加の電圧源(60)の少なくとも一方に直列に接続されたスイッチ(34)を含んでいる、ことを特徴とする請求項1または2記載の真空処理装置。
- スイッチ(34)が、バイアス電源(32)の一部であるか、追加の電圧源(60)の一部であるか、または独立したユニットである、ことを特徴とする請求項3または4記載の真空処理装置
- アーク抑制回路(68)が、基材ホルダにおける意図しない低電圧、基材ホルダにおける電圧の急激な低下、基材ホルダへの電流の急激な増大、最大電流を超える基材ホルダに流れる電流、バイアス電源または電圧源における予め設定された電圧パターンおよび/または電流パターンの発生、および光学式検出器および電気式ノイズ発生検知器を含む他のアーク検出手段の少なくとも1つのパラメータをモニタするものである、ことを特徴とする請求項2から5のいずれかに記載の真空処理装置。
- 電圧源(60)が定電圧源である、ことを特徴とする請求項1から6のいずれかに記載の真空処理装置。
- 前記電圧源(60)がコンデンサ(62)である、ことを特徴とする請求項1から7のいずれかに記載の真空処理装置。
- 前記電圧源(60)が、前記バイアス電源(32)により充電されるか、またはバイアス電源の設定値に等しい電圧を供給するものである、ことを特徴とする請求項1から8のいずれかに記載の真空処理装置。
- 前記バイアス電源(32)がDC電源である、ことを特徴とする請求項1から9のいずれかに記載の真空処理装置。
- 前記バイアス電源(32)がパルスバイアス電源であり、例えば10から350kHzの範囲の周波数で動作するパルスバイアス電源である、ことを特徴とする請求項1から10のいずれかに記載の真空処理装置。
- 前記バイアス電源(32)および/または前記電圧源(60)への接続点に少なくとも1つのブロッキングダイオード(80)が設けられている、ことを特徴とする請求項11記載の真空処理装置。
- 少なくとも1つの基材(12)を処理するための真空処理装置(10)であって、処理チャンバ(14)と、少なくとも1つのカソード(16)と、チャンバ内で気相で存在する材料のイオンおよび/またはカソードを形成する材料のイオンを発生するためにカソードに付随した電源(18)と、基材キャリア(20)と、基材キャリアおよびその上に存在する基材に負バイアスを印加するためのバイアス電源(32)とを有し、これにより前記イオンを前記少なくとも1つの基材に引きつけ、前記カソード電源(18)は比較的短い持続時間で比較的高い電力パルスを、例えばDC動作に比べて低い平均電力レベルで前記カソードに加えるように適合されている、真空処理装置において、
比較的低いバイアス電流で動作するように適合されると共にバイアス電源により充電され且つ比較的低い誘導性および抵抗性インピーダンスの追加の電圧源と組み合わせて使用されるバイアス電源(32)が設けられており、、
前記追加の電圧源は、前記少なくとも1つのカソード(16)に加えられる比較的高い電力の電力に適合するバイアス電圧を供給するために設けられている、ことを特徴とする真空処理装置。 - 請求項1から13の真空処理装置で使用される電圧源(60)と組み合わせられるバイアス電源(32)。
- 少なくとも1つの基材(12)を処理するための真空処理装置(10)であって、処理チャンバ(14)と、少なくとも1つのカソード(16)と、チャンバ内で気相で存在する材料のイオンおよび/またはカソードを形成する材料のイオンを発生するためにカソードに付随した電源(18)と、基材キャリア(20)と、基材キャリアおよびその上に存在する基材に負バイアスを印加するためのバイアス電源(32)とを有し、これにより前記イオンを前記少なくとも1つの基材に引きつけ、前記カソード電源(18)は比較的短い持続時間で比較的高い電力パルスをDC動作に比べて低い平均電力レベル、例えば約1KWから100KWの範囲で前記カソードに加えるように適合されている、真空処理装置を操作する方法において、
バイアス電源(32)は、バイアス電流が平均電力または電流レベルに略対応するレベルで流れることを可能にするように適合されるように、選択され、および
前記少なくとも1つのカソードに加えられる比較的高い電力の電流パルスの電力に適合するバイアス電圧を供給するために、比較的低い誘導性および抵抗性インピーダンスの追加の電圧源(60)がバイアス電源(32)に付随して設けられている、ことを特徴とする方法。 - 前記カソード(16)に加えられる前記高電力パルスのピーク間のインターバル(区間)の期間に、前記バイアス電源(32)から別の電圧源(60)を充電するステップを特徴とする請求項15記載の方法。
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PCT/EP2007/003181 WO2007115819A1 (en) | 2006-04-11 | 2007-04-10 | A vacuum treatment apparatus, a bias power supply and a method of operating a vacuum treatment apparatus |
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JP2013539498A (ja) * | 2010-01-29 | 2013-10-24 | ハウザー テクノ−コーティング ベー.フェー. | Hipims電源を備えるコーティング装置 |
KR20140061382A (ko) * | 2011-07-06 | 2014-05-21 | 램 리써치 코포레이션 | 플라즈마 처리 챔버 내에서의 동기화되고 단축된 마스터 슬레이브 rf 펄싱 |
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EP2075823B1 (en) | 2007-12-24 | 2012-02-29 | Huettinger Electronic Sp. z o. o | Current change limiting device |
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Also Published As
Publication number | Publication date |
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JP5541677B2 (ja) | 2014-07-09 |
GB0607269D0 (en) | 2006-05-17 |
CN101461032B (zh) | 2010-12-22 |
US20100025230A1 (en) | 2010-02-04 |
CN101461032A (zh) | 2009-06-17 |
EP2016610A1 (en) | 2009-01-21 |
WO2007115819A8 (en) | 2008-02-07 |
GB2437080A (en) | 2007-10-17 |
WO2007115819A1 (en) | 2007-10-18 |
KR20090007750A (ko) | 2009-01-20 |
GB2437080B (en) | 2011-10-12 |
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