JP7575866B2 - 物理蒸着を用いて形成された材料層の厚さの変動を制御する装置 - Google Patents
物理蒸着を用いて形成された材料層の厚さの変動を制御する装置 Download PDFInfo
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Description
材料層が形成されるターゲット及び材料層が形成可能な基板を備えるチャンバを設けるステップと、
第1の態様による磁石アセンブリの上に基板を配置するステップと、
気体をチャンバに導入するステップと、
チャンバ内にプラズマを生成するステップと、
ターゲットに近接するプラズマを略局在させるためにターゲットの近傍にプラズマを局在させる磁界を付与するステップと、
基板にRFバイアス電圧を印加するステップと、
磁界が存在しないときに比べて材料層の厚さ均一性を向上させるために、プラズマから気体イオンを誘導するための基板の近傍の磁石アセンブリの磁界を、基板の上に形成された材料層の選択領域に付与するステップと、
基板に対して回転軸の周りで磁石アセンブリの磁界を回転させるステップと、
を備える方法を提供する。
Claims (6)
- パルスDC物理蒸着工程の間に基板に材料層を形成するのに用いられるイオンを誘導する、基板を支持するプラテン内の磁石アセンブリであって、前記磁石アセンブリは、前記プラテンの窪み内に配置されるように構成され、
前記基板の近傍および下部の磁界を生成する磁界生成配置と、
前記基板に対して回転軸の周りで前記磁界生成配置を回転させる手段と、
を備え、前記磁界生成配置は、前記回転軸の周りに延在するアレイに対して構成される複数の磁石を備え、前記磁石のアレイは、前記回転軸に対する半径方向に沿って変動磁界強度を生成するように構成され、
前記アレイは、並列形態および積層形態で配置した複数の線形的なサブアレイを備え、
カセットであって、前記複数の磁石は前記線形的なサブアレイを受け入れるのに適合した複数の窪みを備えた前記カセット内に配置され、前記窪みは前記カセットの外表面で規定され、前記基板は前記カセットの上部に配置され、前記線形的なサブアレイは前記カセットの径に平行に延在し、前記窪み内の前記磁石は積層形態で構成され、前記積層形態の磁石のアレイは、前記変動磁界強度が前記カセット内の窪みの周辺近傍が前記カセットの中心よりも強くなるように構成され、前記窪みの少なくとも一つは前記カセットの中央部のいずれかの側に第1および第2の窪み部を有し、前記窪みの少なくとも二つは周縁の一端から前記周縁の他端に延在し、全ての前記窪みは互いに平行である、カセットと、
前記窪みの少なくとも一つ内の前記磁石を離間させるための少なくとも一つの非磁性スペーサと、
を備える磁石アセンブリ。 - 前記磁界を回転させる手段は、スピンドルと、前記スピンドルを駆動する駆動アセンブリとを備え、前記スピンドルは一端において前記カセットに、他端において前記駆動アセンブリに回転自在に結合される、請求項1に記載の磁石アセンブリ。
- パルスDC物理蒸着によって形成される材料層の厚さ変動を制御する装置であって、
前記材料層が形成されるターゲット及び前記材料層が形成可能な基板を収容するチャンバであって、気体を前記チャンバに導入する吸気口を有するチャンバと、
前記チャンバ内にプラズマを生成するプラズマ生成配置と、
前記基板にRFバイアス電圧を印加する電源と、
を備え、
前記ターゲットに近接するプラズマを局在させるために前記ターゲットの近傍にプラズマを局在させる磁界を使用中に生成するように構成されたプラズマを局在させる磁界生成
配置と、
請求項1に記載の磁石アセンブリと、
を更に備える装置。 - 前記磁界は、前記プラズマを局在させる磁界に実質的に影響されない、請求項3に記載の装置。
- 前記磁界生成配置は、前記プラズマに面する基板の側の反対側である基板の側に配置される、請求項3に記載の装置。
- 前記線形的なサブアレイは、前記カセットの部分によって互いに離間されている、請求項1に記載の磁石アセンブリ。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1815216.5 | 2018-09-18 | ||
| GBGB1815216.5A GB201815216D0 (en) | 2018-09-18 | 2018-09-18 | Apparatus and a method of controlling thickness variation in a material layer formed using physical vapour deposition |
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| JP2020045566A JP2020045566A (ja) | 2020-03-26 |
| JP2020045566A5 JP2020045566A5 (ja) | 2022-09-28 |
| JP7575866B2 true JP7575866B2 (ja) | 2024-10-30 |
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|---|---|
| US (2) | US11913109B2 (ja) |
| EP (1) | EP3627531B1 (ja) |
| JP (1) | JP7575866B2 (ja) |
| KR (2) | KR20200032640A (ja) |
| CN (1) | CN110904414B (ja) |
| GB (1) | GB201815216D0 (ja) |
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| GB201815216D0 (en) * | 2018-09-18 | 2018-10-31 | Spts Technologies Ltd | Apparatus and a method of controlling thickness variation in a material layer formed using physical vapour deposition |
| KR102789960B1 (ko) * | 2019-07-31 | 2025-04-03 | 가부시키가이샤 후루야긴조쿠 | 스퍼터링 타겟 |
| EP3964603B1 (en) * | 2020-09-03 | 2023-07-26 | Lam Research Corporation | Method for producing a scandium aluminum nitride target for pld |
| GB202014592D0 (en) * | 2020-09-16 | 2020-10-28 | Spts Technologies Ltd | Deposition method |
| GB202115616D0 (en) * | 2021-10-29 | 2021-12-15 | Spts Technologies Ltd | PVD method and apparatus |
| CN117431512A (zh) * | 2022-07-14 | 2024-01-23 | 长鑫存储技术有限公司 | 磁控组件、物理气相沉积装置及方法、控制装置 |
| KR20240026361A (ko) * | 2022-08-18 | 2024-02-28 | 삼성디스플레이 주식회사 | 증착 장치 |
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| EP3627531A1 (en) | 2020-03-25 |
| GB201815216D0 (en) | 2018-10-31 |
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| JP2020045566A (ja) | 2020-03-26 |
| TW202030349A (zh) | 2020-08-16 |
| US11913109B2 (en) | 2024-02-27 |
| CN110904414B (zh) | 2023-10-13 |
| US20240014018A1 (en) | 2024-01-11 |
| KR20250114483A (ko) | 2025-07-29 |
| US20200090913A1 (en) | 2020-03-19 |
| KR20200032640A (ko) | 2020-03-26 |
| CN110904414A (zh) | 2020-03-24 |
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