JP2022540568A - プラズマ処理設備のためのアーク抑制装置 - Google Patents
プラズマ処理設備のためのアーク抑制装置 Download PDFInfo
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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
- H01J37/32082—Radio frequency generated discharge
- H01J37/32174—Circuits specially adapted for controlling the RF discharge
- H01J37/32183—Matching 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
- H01J37/32917—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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/32—Processing objects by plasma generation
- H01J2237/33—Processing objects by plasma generation characterised by the type of processing
- H01J2237/332—Coating
- H01J2237/3321—CVD [Chemical Vapor Deposition]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/32—Processing objects by plasma generation
- H01J2237/33—Processing objects by plasma generation characterised by the type of processing
- H01J2237/332—Coating
- H01J2237/3322—Problems associated with coating
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Abstract
Description
本出願は、2019年6月28日に出願された米国仮出願第16/456,598号の優先権を主張し、その内容は、参照により本明細書に組み込まれる。
Claims (20)
- トリガ信号に関わるスイッチング素子のセットと、
前記スイッチング素子のセットにより連結される電力散逸器であって、前記スイッチング素子のセットが連結するときに、蓄積されたエネルギー及び供給されたエネルギーの両方を散逸する、電力散逸器と、
前記電力散逸器に結合されたインピーダンス変成器であって、前記スイッチング素子のセットが前記電力散逸器と連動して連結されるときに、装置の入力で前記反射係数を下げるインピーダンス変換を実行する、インピーダンス変成器と、
を具備する装置。 - 前記スイッチング素子のセットは、PINダイオード、SiCFET(silicon carbide field effect transistor)、MOSFET(metal oxide semiconductor field effect transistor)、IGBT(insulated-gate bipolar transistor)、又はBJT(bipolar junction transistor)の少なくとも一つを含む、請求項1に記載の装置。
- 前記スイッチング素子のセットの各スイッチは、マイクロ秒オーダで前記トリガ信号に反応する、請求項1に記載の装置。
- 前記インピーダンス変成器は、集中素子π型回路網を使用する90度インピーダンス変成器である、請求項1に記載の装置。
- 前記インピーダンス変成器は、同軸伝達線路、ブロードサイド結合伝達線路、埋め込み伝達線路、又は導波管の少なくとも一つである、請求項1に記載の装置。
- 前記電力散逸器は、無誘導性の抵抗素子を含む、請求項1に記載の装置。
- 前記反射係数は、0~0.5の範囲に下げられる、請求項1に記載の装置。
- 前記スイッチング素子は、連動して連結させる、又は個別に作動させる、請求項1に記載の装置。
- 前記トリガ信号は、少なくとも0.5の反射係数における変化の結果である、請求項1に記載の装置。
- 整合回路網装置であって、
複数のリアクタンス素子と、
前記複数のリアクタンス素子のための作動装置のそれぞれにそれぞれの制御信号を提供するように構成されたコントローラであって、それに提供された前記それぞれの制御信号に応じて、各リアクタンス素子は、その制御信号に従って作動するような、コントローラと、
を備える整合回路網装置と、
アーク抑制装置であって、
トリガ信号に関わるスイッチング素子のセットと、
前記スイッチング素子のセットにより連結される電力散逸器であって、前記スイッチング素子のセットが連結するときに、蓄積されたエネルギー及び供給されたエネルギーの両方を散逸する、電力散逸器と、
前記電力散逸器に結合されたインピーダンス変成器であって、前記スイッチング素子のセットが前記電力散逸器と連動して連結されるときに、装置の入力で前記反射係数を下げるインピーダンス変換を実行する、インピーダンス変成器と、
を備えるアーク抑制装置と、
を具備する整合回路網システム。 - 前記トリガ信号は、ある期間に亘って事前に判定された閾値を超える、電流、電圧、又は反射係数における変化である、請求項10に記載の整合回路網システム。
- 前記スイッチング素子のセットは、前記電力散逸器をグランドに接続できる、請求項10に記載の整合回路網システム。
- 前記アーク抑制装置の前記働きは、前記プラズマチャンバに供給された電力を少なくとも3dB下げる、請求項10に記載の整合回路網システム。
- 高周波発生器と、
前記高周波発生器に結合されるアーク抑制装置であって、
トリガ信号に関わるスイッチング素子のセットと、
前記スイッチング素子のセットにより連結される電力散逸器であって、前記スイッチング素子のセットが連結するときに、蓄積されたエネルギー及び供給されたエネルギーの両方を散逸する、電力散逸器と、
前記電力散逸器に結合されたインピーダンス変成器であって、前記スイッチング素子のセットが前記電力散逸器と連動して連結されるときに、装置の入力で前記反射係数を下げるインピーダンス変換を実行する、インピーダンス変成器と、
を備えるアーク抑制装置と、
前記高周波発生器に結合された整合回路網と、
前記整合回路網に結合されたプラズマチャンバと、
を具備するプラズマ発生システム。 - 前記トリガ信号は、前記RF発生器により前記アーク抑制装置に提供される、請求項14に記載のプラズマ発生システム。
- 前記高周波プラズマチャンバは、アーク事象がいつ起こるかを判定し、前記アーク事象が検出されたときにトリガ信号を前記アーク抑制装置に提供するセンサを含む、請求項14に記載のプラズマ発生システム。
- 前記センサは、光学センサ又は電気センサの少なくとも一つである、請求項16に記載のプラズマ発生システム。
- 前記トリガ信号は、前記プラズマ発生システム全体に分配された複数の検出信号の前記合成信号である、請求項14に記載のプラズマ発生システム。
- 前記インピーダンス変成器は、前記電力散逸器のセットと連動してインピーダンス変換をさらに実行して、システムの入力で前記反射係数を0.5未満に下げる、請求項14に記載のプラズマ発生システム。
- 前記アーク抑制装置に結合されたデジタルアイソレータをさらに具備する、請求項14に記載のプラズマ発生システム。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/456,598 US11114279B2 (en) | 2019-06-28 | 2019-06-28 | Arc suppression device for plasma processing equipment |
| US16/456,598 | 2019-06-28 | ||
| PCT/US2020/038892 WO2020263726A1 (en) | 2019-06-28 | 2020-06-22 | An arc suppression device for plasma processing equipment |
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| Publication Number | Publication Date |
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| JP2022540568A true JP2022540568A (ja) | 2022-09-16 |
| JP7623307B2 JP7623307B2 (ja) | 2025-01-28 |
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| US (3) | US11114279B2 (ja) |
| EP (1) | EP3991198A4 (ja) |
| JP (1) | JP7623307B2 (ja) |
| KR (1) | KR20220025816A (ja) |
| CN (1) | CN114008737B (ja) |
| WO (1) | WO2020263726A1 (ja) |
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| US11114279B2 (en) * | 2019-06-28 | 2021-09-07 | COMET Technologies USA, Inc. | Arc suppression device for plasma processing equipment |
| US11596309B2 (en) * | 2019-07-09 | 2023-03-07 | COMET Technologies USA, Inc. | Hybrid matching network topology |
| US11894250B2 (en) * | 2020-03-31 | 2024-02-06 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method and system for recognizing and addressing plasma discharge during semiconductor processes |
| JP7733684B2 (ja) * | 2020-07-08 | 2025-09-03 | ラム リサーチ コーポレーション | プラズマ処理システムの無線周波数供給システムからプロセス制御情報を抽出するためのシステムおよび方法 |
| US11348761B2 (en) * | 2020-09-04 | 2022-05-31 | Tokyo Electron Limited | Impedance matching apparatus and control method |
| KR102655337B1 (ko) * | 2021-07-16 | 2024-04-05 | 가부시키가이샤 아루박 | 성막 방법 및 성막 장치 |
| DE102022108642A1 (de) * | 2022-04-08 | 2023-10-12 | TRUMPF Hüttinger GmbH + Co. KG | Plasmazünderkennungsvorrichtung zum Anschluss an eine Impedanzanpassungsschaltung für ein Plasmaerzeugungssystem |
| CN115050626B (zh) * | 2022-06-24 | 2025-11-11 | 北京北方华创微电子装备有限公司 | 阻抗匹配方法和装置、半导体工艺设备 |
| US12020902B2 (en) | 2022-07-14 | 2024-06-25 | Tokyo Electron Limited | Plasma processing with broadband RF waveforms |
| WO2025136657A1 (en) * | 2023-12-19 | 2025-06-26 | Advanced Energy Industries, Inc. | Capacitance sensing systems and methods |
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- 2020-06-22 CN CN202080044918.XA patent/CN114008737B/zh active Active
- 2020-06-22 WO PCT/US2020/038892 patent/WO2020263726A1/en not_active Ceased
- 2020-06-22 JP JP2021577980A patent/JP7623307B2/ja active Active
- 2020-06-22 EP EP20833662.8A patent/EP3991198A4/en active Pending
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2021
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| Publication number | Publication date |
|---|---|
| KR20220025816A (ko) | 2022-03-03 |
| EP3991198A4 (en) | 2023-06-28 |
| JP7623307B2 (ja) | 2025-01-28 |
| US20210391148A1 (en) | 2021-12-16 |
| US11114279B2 (en) | 2021-09-07 |
| US20230141067A1 (en) | 2023-05-11 |
| WO2020263726A1 (en) | 2020-12-30 |
| US11574799B2 (en) | 2023-02-07 |
| EP3991198A1 (en) | 2022-05-04 |
| US11972928B2 (en) | 2024-04-30 |
| US20200411290A1 (en) | 2020-12-31 |
| CN114008737A (zh) | 2022-02-01 |
| CN114008737B (zh) | 2025-07-29 |
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