JP2014531510A - 誘電体材料の堆積速度および成長動態を高める多重周波数スパッタリング - Google Patents
誘電体材料の堆積速度および成長動態を高める多重周波数スパッタリング Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/02631—Physical deposition at reduced pressure, e.g. MBE, sputtering, evaporation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C14/3471—Introduction of auxiliary energy into the plasma
-
- 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
- H01J37/32082—Radio frequency generated discharge
- H01J37/32137—Radio frequency generated discharge controlling of the discharge by modulation of energy
- H01J37/32155—Frequency modulation
- H01J37/32165—Plural frequencies
-
- 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
- H01J37/3405—Magnetron sputtering
Abstract
Description
本出願は、全体として参照により本明細書に組み込まれている2011年9月9日出願の米国仮特許出願第61/533,074号の利益を主張する。
Claims (15)
- 誘電体薄膜をスパッタ堆積させる方法であって、
プロセスチャンバ内の基板ペデスタル上に基板を提供し、スパッタターゲットに対向して前記基板を位置決めすることと、
第1の電源からの第1のRF周波数および第2の電源からの第2のRF周波数を前記スパッタターゲットに同時に印加することと、
前記スパッタターゲットをスパッタリングするため、前記プロセスチャンバ内で前記基板と前記スパッタターゲットとの間にプラズマを形成することとを含み、
前記第1のRF周波数が前記第2のRF周波数より小さく、前記第1のRF周波数が前記プラズマのイオンエネルギーを制御するように選択され、前記第2のRF周波数が前記プラズマのイオン密度を制御するように選択される、方法。 - 前記スパッタターゲットが絶縁材料からなる、請求項1に記載の方法。
- 前記絶縁材料がオルトリン酸リチウムである、請求項2に記載の方法。
- 前記第1のRF周波数が500kHzより大きい、請求項2に記載の方法。
- 前記第1のRF周波数が500kHz〜2MHzの範囲内であり、前記第2のRF周波数が13.56MHz以上である、請求項1に記載の方法。
- 前記第1のRF周波数が2MHzより大きく、前記第2のRF周波数が60MHz以上である、請求項1に記載の方法。
- 前記スパッタ堆積中に、第3の電源から前記基板ペデスタルにRFバイアスを印加することをさらに含み、前記RFバイアスの周波数が、前記第1のRF周波数および前記第2のRF周波数とは異なる、請求項1に記載の方法。
- 前記プロセスチャンバ内の表面の自己バイアスを選択することをさらに含む、請求項1に記載の方法。
- 前記自己バイアスが、前記基板ペデスタルと接地との間に接続された阻止キャパシタの静電容量を調整することによって選択される、請求項8に記載の方法。
- 前記基板の表面の自己バイアスが選択される、請求項8に記載の方法。
- 誘電体薄膜をスパッタ堆積させるプロセスシステムであって、
プロセスチャンバと、
前記プロセスチャンバ内のスパッタターゲットと、
前記スパッタターゲットに対向して基板を保持するよう構成された、前記プロセスチャンバ内の基板ペデスタルと、
前記スパッタターゲットに第1のRF周波数を提供する第1の電源および第2のRF周波数を提供する第2の電源であり、前記第1のRF周波数が前記第2のRF周波数より小さく、前記第1のRF周波数が、前記プロセスチャンバ内の前記ターゲットと前記基板との間でプラズマのイオンエネルギーを制御するように選択され、前記第2のRF周波数が、前記プラズマのイオン密度を制御するように選択される、第1の電源および第2の電源と、
前記第1の電源と前記第2の電源との間ならびに前記第1の電源および前記第2の電源のうちの1つと前記ターゲットとの間に接続され、前記第1のRF周波数および前記第2のRF周波数が異なるようにするよう構成されたフィルタとを備えるプロセスシステム。 - 前記基板ペデスタルと接地との間に接続され、前記プロセスチャンバ内の表面の自己バイアスの選択を可能にする調整可能な阻止キャパシタをさらに備える、請求項11に記載のプロセスシステム。
- 前記プラズマに結合された追加の電源をさらに備える、請求項11に記載のプロセスシステム。
- 前記追加の電源がマイクロ波電源であり、前記マイクロ波電源がアンテナによって前記プラズマに結合される、請求項13に記載のプロセスシステム。
- 前記基板ペデスタルにRFバイアスを提供する第3の電源をさらに備え、前記RFバイアスの周波数が、前記第1のRF周波数および前記第2のRF周波数とは異なる、請求項11に記載のプロセスシステム。
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US201161533074P | 2011-09-09 | 2011-09-09 | |
US61/533,074 | 2011-09-09 | ||
PCT/US2012/054501 WO2013036953A2 (en) | 2011-09-09 | 2012-09-10 | Multiple frequency sputtering for enhancement in deposition rate and growth kinetics dielectric materials |
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US (1) | US20130248352A1 (ja) |
JP (2) | JP6192060B2 (ja) |
KR (1) | KR20140063781A (ja) |
CN (1) | CN103814431B (ja) |
WO (1) | WO2013036953A2 (ja) |
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KR20150096756A (ko) | 2012-12-19 | 2015-08-25 | 어플라이드 머티어리얼스, 인코포레이티드 | 수직 박막 배터리들의 마스크-리스 제조 |
CN104746026A (zh) * | 2013-12-29 | 2015-07-01 | 北京北方微电子基地设备工艺研究中心有限责任公司 | 薄膜沉积设备 |
WO2016033475A1 (en) * | 2014-08-29 | 2016-03-03 | Sputtering Components, Inc. | Dual power feed rotary sputtering cathode |
US9633839B2 (en) | 2015-06-19 | 2017-04-25 | Applied Materials, Inc. | Methods for depositing dielectric films via physical vapor deposition processes |
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Publication number | Publication date |
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CN103814431A (zh) | 2014-05-21 |
JP6192060B2 (ja) | 2017-09-06 |
KR20140063781A (ko) | 2014-05-27 |
US20130248352A1 (en) | 2013-09-26 |
JP2017201061A (ja) | 2017-11-09 |
WO2013036953A3 (en) | 2013-05-02 |
WO2013036953A2 (en) | 2013-03-14 |
CN103814431B (zh) | 2017-03-01 |
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