JP5259618B2 - 高出力インパルス・マグネトロン・スパッタリング(hipims)におけるパルシング及びアーク抑制 - Google Patents
高出力インパルス・マグネトロン・スパッタリング(hipims)におけるパルシング及びアーク抑制 Download PDFInfo
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- H01J37/32—Gas-filled discharge tubes
- H01J37/32917—Plasma diagnostics
- H01J37/32935—Monitoring and controlling tubes by information coming from the object and/or discharge
- H01J37/32944—Arc detection
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/3435—Applying energy to the substrate during sputtering
- C23C14/345—Applying energy to the substrate during sputtering using substrate bias
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
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- C23C14/3485—Sputtering using pulsed power to the target
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32018—Glow discharge
- H01J37/32045—Circuits specially adapted for controlling the glow discharge
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3402—Gas-filled discharge tubes operating with cathodic sputtering using supplementary magnetic fields
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- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3411—Constructional aspects of the reactor
- H01J37/3444—Associated circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3464—Operating strategies
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32055—Arc discharge
- H01J37/32064—Circuits specially adapted for controlling the arc discharge
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Description
S1,S2;スイッチ
L,L2;コイル
Claims (21)
- 基板上にコーティングを形成するためにターゲットのスパッタリングを発生させるための装置であって、
カソード及びアノードを備えたマグネトロンと、
前記マグネトロンに動作可能に接続された電源と、
前記電源に動作可能に接続された少なくとも一つのキャパシタと、
前記少なくとも一つのキャパシタに動作可能に接続されたインダクタンスと、
前記マグネトロンを充電させるために前記マグネトロンに前記電源を動作可能に接続し、前記マグネトロンに第1のパルスを供給するように構成された第1のスイッチと、
前記マグネトロンを放電させるために動作可能に接続され、第2のパルスにより前記マグネトロンを放電させるように構成された第2のスイッチとを備えた装置。 - 前記インダクタンスはコイルであり、前記第2のスイッチは、前記コイルに沿った点に動作可能に接続された請求項1記載の装置。
- インダクタンスと抵抗を有するケーブルを更に備え、該ケーブルは、前記少なくとも一つのキャパシタの開始電圧を前記マグネトロンへ放電させるために使用される請求項1または2の何れか1項記載の装置。
- 前記第1のパルスと前記第2のパルスは、0.2μsと5μsの間のオン時間およびオフ時間を有する請求項1乃至3の何れか1項記載の装置。
- 基板上にコーティングを形成するためにターゲットのスパッタリングを発生させるための装置であって、
カソード及びアノードを備えたマグネトロンと、
前記マグネトロンに動作可能に接続された電源と、
前記電源に動作可能に接続された少なくとも一つのキャパシタと、
前記少なくとも一つのキャパシタに動作可能に接続されたインダクタンスと、
前記マグネトロンを充電させるために動作可能に接続され、第1のパルスにより前記マグネトロンを充電させるように構成された第1のスイッチと、
前記マグネトロンを放電させるために動作可能に接続され、第2のパルスにより前記マグネトロンを放電させるように構成された第2のスイッチと、
前記マグネトロンに動作可能に接続された少なくとも一つの検出器とを備え、
前記少なくとも一つの検出器は、アークの発生を検出するように構成され、前記アークの検出は、前記アークの発生を抑制するために前記第2のスイッチを活性化する装置。 - 前記インダクタンスはコイルであり、前記第2のスイッチは、前記コイルに沿った点に動作可能に接続された請求項5記載の装置。
- インダクタンスと抵抗を有するケーブルを更に備え、該ケーブルは、前記少なくとも一つのキャパシタの開始電圧を前記マグネトロンへ放電させるために使用される請求項5または6の何れか1項記載の装置。
- 前記第1のスイッチは、前記少なくとも一つの検出器による前記アークの検出に応答して制御される請求項5乃至7の何れか1項記載の装置。
- 基板上にコーティングを形成するためにターゲットのスパッタリングを発生させるための装置であって、
カソード及びアノードを備えたマグネトロンと、
前記マグネトロンに動作可能に接続された電源と、
前記電源に動作可能に接続された少なくとも一つのキャパシタと、
前記少なくとも一つのキャパシタに動作可能に接続されたコイルと、
前記マグネトロンを充電させるために前記マグネトロンに前記電源を動作可能に接続し、前記マグネトロンに第1のパルスを供給するように構成された第1のスイッチと、
前記マグネトロンを放電させるために動作可能に接続され、前記コイルに沿った点に接続され、第2のパルスにより前記マグネトロンを放電させるように構成された第2のスイッチと、
前記マグネトロンに動作可能に接続され、アークが発生していることを検出するように構成された少なくとも一つの検出器とを備え、
前記第1のスイッチと前記第2のスイッチは、前記アークの発生を抑制するために前記少なくとも一つの検出器による前記アークの検出に応答して制御される装置。 - 基板上にコーティングを形成するためにスパッタリングを発生させる装置に電圧パルスを供給する方法であって、
電源からマグネトロンを充電させるために第1のスイッチに第1のパルスを供給するステップと、
前記マグネトロンを放電させるために第2のスイッチに第2のパルスを供給するステップとを含む方法。 - 前記第1のパルスは、キャパシタが充電される期間に該当する前記第1のスイッチについての比較的長いオフ時間を含み、
前記第2のパルスが前記第2のスイッチを活性化する前に前記第1のスイッチが活性化されてコイルにエネルギーを蓄えさせる比較的短い時間が経過し、前記第2のスイッチの活性化が前記マグネトロンの放電を引き起こす請求項10記載の方法。 - 前記第1のパルスの周波数は、1kHzと20kHzの間であり、
前記第1のパルスは、0.1%と10%の間のデューティサイクルを有し、且つ、前記第1のパルスのオン時間は2μsと20μsの間である請求項11記載の方法。 - 前記第1のパルスと前記第2のパルスは、第1のモードと第2のモードの間で周期的に切り替わり、
前記第1のモードは、キャパシタが充電される期間に該当する前記第1のスイッチについての比較的長いオフ時間を有する前記第1のパルスを含み、
前記第2のパルスが前記第2のスイッチを活性化する前に前記第1のスイッチが活性化されてコイルにエネルギーを蓄えさせる比較的短い時間が経過し、前記第2のスイッチの活性化が前記マグネトロンの放電を引き起こし、
前記第2のモードは、前記マグネトロンに電圧を供給するための比較的長いパルスを有する前記第1のパルスを含み、前記第2のパルスは1組のショートパルスである請求項10乃至12の何れか1項記載の方法。 - 前記第2のモードは、
前記第1のパルスの周波数が10Hzと1kHzの間であり、前記第1のパルスが0.1%と10%の間のデューティサイクルを有し、前記第1のパルスについてのオン時間が2μsと20μsの間であり、
前記第1のパルスが前記第1のスイッチを活性化していない場合に、前記第2のパルスが0.01%と20%の間のデューティサイクルを有し、
前記第1のパルスがオフ時間を有する場合の前記第2のパルスについてのオン時間が1μs乃至5μsの間であること
を含む請求項13記載の方法。 - 前記第1のパルスは、前記マグネトロンに電圧を供給するための比較的長いパルスであり、
前記第2のパルスは、1組のショートパルスである請求項10乃至14の何れか1項記載の方法。 - 前記第1のパルスと前記第2のパルスの周波数は、10Hzと1kHzの間であり、
前記第1のパルスは、0.1%と10%の間のデューティサイクルを有し、
前記第1のパルスについてのオン時間は、2μsと20μsの間であり、
前記第2のパルスは、30%と99%の間のデューティサイクルを有する請求項15記載の方法。 - インダクタコイルに沿った前記第2のスイッチの位置の調整により、または前記第2のパルスの調整を通じて、前記基板上のビアまたはトレンチのカバレッジを最適化するステップを更に含む請求項10乃至16の何れか1項記載の方法。
- 前記基板上に少なくとも一つの層を形成すると共に前記基板に所望のコーティングを提供するためにインダクタコイルに沿った前記第2のスイッチの位置を調整すると共に前記第2のパルスを調整するステップを更に含む請求項10乃至17の何れか1項記載の方法。
- 前記コーティングの膜応力、微細構造、力学的特性、電気的特性、または光学的特性のうちの少なくとも一つを最適化するためにインダクタコイルに沿った前記第2のスイッチの位置を調整すると共に前記第2のパルスを調整するステップを更に含む請求項10乃至18の何れか1項記載の方法。
- 少なくとも一つの検出器の使用を通じてアークが発生していることを検出するステップと、前記アークの検出に応答して前記マグネトロンを放電させて前記アークの発生を抑制するために前記第2のスイッチを活性化するステップとを更に含む請求項10乃至19の何れか1項記載の方法。
- 請求項10乃至20の何れか1項記載の方法を含むコーティングされた基板を製造するための方法。
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US86957806P | 2006-12-12 | 2006-12-12 | |
US86956606P | 2006-12-12 | 2006-12-12 | |
US60/869,578 | 2006-12-12 | ||
US60/869,566 | 2006-12-12 | ||
US86991206P | 2006-12-14 | 2006-12-14 | |
US60/869,912 | 2006-12-14 | ||
PCT/EP2007/063787 WO2008071734A2 (en) | 2006-12-12 | 2007-12-12 | Arc suppression and pulsing in high power impulse magnetron sputtering (hipims) |
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JP2009540762A Active JP5259618B2 (ja) | 2006-12-12 | 2007-12-12 | 高出力インパルス・マグネトロン・スパッタリング(hipims)におけるパルシング及びアーク抑制 |
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US (4) | US8435389B2 (ja) |
EP (2) | EP2102889B1 (ja) |
JP (2) | JP5383500B2 (ja) |
KR (2) | KR20090118912A (ja) |
CN (2) | CN101589450B (ja) |
TW (2) | TWI464282B (ja) |
WO (2) | WO2008071734A2 (ja) |
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EP2102889B1 (en) | 2006-12-12 | 2020-10-07 | Evatec AG | Rf substrate bias with high power impulse magnetron sputtering (hipims) |
DE502007006093D1 (de) * | 2007-03-08 | 2011-02-10 | Huettinger Elektronik Gmbh | Verfahren und Vorrichtung zum Unterdrücken von Bogenentladungen beim Betreiben eines Plasmaprozesses |
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EP2102888B1 (en) | 2015-07-29 |
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JP2010512458A (ja) | 2010-04-22 |
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CN101589451B (zh) | 2012-03-07 |
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US20130220802A1 (en) | 2013-08-29 |
CN101589451A (zh) | 2009-11-25 |
US20160237554A1 (en) | 2016-08-18 |
TW200848528A (en) | 2008-12-16 |
KR101447302B1 (ko) | 2014-10-06 |
TWI476289B (zh) | 2015-03-11 |
WO2008071732A3 (en) | 2009-01-22 |
WO2008071734A3 (en) | 2009-01-22 |
US9355824B2 (en) | 2016-05-31 |
EP2102889A2 (en) | 2009-09-23 |
JP5383500B2 (ja) | 2014-01-08 |
US10692707B2 (en) | 2020-06-23 |
WO2008071734A2 (en) | 2008-06-19 |
KR20090118912A (ko) | 2009-11-18 |
US8435389B2 (en) | 2013-05-07 |
EP2102888A2 (en) | 2009-09-23 |
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