JP7129587B1 - ウエハ支持台及びrfロッド - Google Patents
ウエハ支持台及びrfロッド Download PDFInfo
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- JP7129587B1 JP7129587B1 JP2022543661A JP2022543661A JP7129587B1 JP 7129587 B1 JP7129587 B1 JP 7129587B1 JP 2022543661 A JP2022543661 A JP 2022543661A JP 2022543661 A JP2022543661 A JP 2022543661A JP 7129587 B1 JP7129587 B1 JP 7129587B1
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- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32715—Workpiece holder
- H01J37/32724—Temperature
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- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/458—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
- C23C16/4581—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber characterised by material of construction or surface finish of the means for supporting the substrate
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- 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
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/458—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
- C23C16/4582—Rigid and flat substrates, e.g. plates or discs
- C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
- C23C16/4586—Elements in the interior of the support, e.g. electrodes, heating or cooling devices
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- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
- C23C16/505—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using radio frequency discharges
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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
- H01J37/32431—Constructional details of the reactor
- H01J37/32532—Electrodes
- H01J37/32577—Electrical connecting means
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
- H01L21/67103—Apparatus for thermal treatment mainly by conduction
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6831—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using electrostatic chucks
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6831—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using electrostatic chucks
- H01L21/6833—Details of electrostatic chucks
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68757—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a coating or a hardness or a material
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68785—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by the mechanical construction of the susceptor, stage or support
-
- 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
- H01J2237/20—Positioning, supporting, modifying or maintaining the physical state of objects being observed or treated
- H01J2237/2007—Holding mechanisms
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Abstract
Description
ウエハ載置面を有し、RF電極とヒータ電極とが前記ウエハ載置面側からこの順に埋設されたセラミック基体と、
前記セラミック基体のうち前記ウエハ載置面とは反対側の面から前記RF電極に向けて設けられた穴と、
高周波電力を前記RF電極へ供給し、先端が前記穴の底面に露出した前記RF電極又は前記RF電極と接続している導電性部材と接合されたRFロッドと、
を備え、
前記RFロッドは、前記RFロッドのうち前記先端から前記先端と基端との間に位置する所定位置までの領域を形成するNi製の第1ロッド部材と、前記第1ロッド部材に接合され、前記RFロッドのうち前記所定位置から前記基端までの領域を形成する第2ロッド部材とによって構成されたハイブリッドロッドであり、
前記第2ロッド部材は、非磁性体製である。
先端から前記先端と基端との間に位置する所定位置までの領域を形成するNi製の第1ロッド部材と、前記第1ロッド部材に接合され、前記所定位置から前記基端までの領域を形成する第2ロッド部材とによって構成されたハイブリッドロッドであり、
前記第2ロッド部材は、非磁性体製である。
T(x)=Ts-(ΔT/L)*x …(1)
Claims (7)
- ウエハ載置面を有し、RF電極とヒータ電極とが前記ウエハ載置面側からこの順に埋設されたセラミック基体と、
前記セラミック基体のうち前記ウエハ載置面とは反対側の面から前記RF電極に向けて設けられた穴と、
高周波電力を前記RF電極へ供給し、先端が前記穴の底面に露出した前記RF電極又は前記RF電極と接続している導電性部材と接合されたRFロッドと、
を備え、
前記RFロッドは、前記RFロッドのうち前記先端から前記先端と基端との間に位置する所定位置までの領域を形成するNi製の第1ロッド部材と、前記第1ロッド部材に接合され、前記RFロッドのうち前記所定位置から前記基端までの領域を形成する第2ロッド部材とによって構成されたハイブリッドロッドであり、
前記第2ロッド部材は、非磁性体製であり、
前記所定位置は、前記ハイブリッドロッドの代わりにNi製ロッドを用い、前記ヒータ電極の温度をTs[℃](但し、TsはNiのキュリー温度を超える)、前記Ni製ロッドの長さをL[cm]、前記Ni製ロッドの両端部の温度差をΔT[℃]、前記Ni製ロッドの先端から前記所定位置までの長さをx[cm]、前記Ni製ロッドの前記位置における温度をT(x)[℃]としたとき、
T(x)=Ts-(ΔT/L)*x
で表されるT(x)がNiのキュリー温度以上で、前記非磁性体の酸化温度以下となるように定められている、
ウエハ支持台。 - ウエハ載置面を有し、RF電極とヒータ電極とが前記ウエハ載置面側からこの順に埋設されたセラミック基体と、
前記セラミック基体のうち前記ウエハ載置面とは反対側の面から前記RF電極に向けて設けられた穴と、
高周波電力を前記RF電極へ供給し、先端が前記穴の底面に露出した前記RF電極又は前記RF電極と接続している導電性部材と接合されたRFロッドと、
を備え、
前記RFロッドは、前記RFロッドのうち前記先端から前記先端と基端との間に位置する所定位置までの領域を形成するNi製の第1ロッド部材と、前記第1ロッド部材に接合され、前記RFロッドのうち前記所定位置から前記基端までの領域を形成する第2ロッド部材とによって構成されたハイブリッドロッドであり、
前記第2ロッド部材は、非磁性体製であり、
前記RFロッドには、中空部分が設けられ、
前記中空部分は、前記第2ロッド部材に形成されており、
前記中空部分を取り囲む周壁部は、タングステンリボン又はタングステンメッシュで形成されている、
ウエハ支持台。 - 前記第2ロッド部材の端部には、前記RFロッドの前記基端に近づくにつれて幅が小さくなるテーパ形状の凸部が設けられ、
前記RFロッドは、前記第1ロッド部材の端部に設けられた凹部に、前記第2ロッド部材の前記凸部が嵌め合わされたものである、
請求項1又は2に記載のウエハ支持台。 - 前記第1ロッド部材の端部には、前記RFロッドの前記先端に近づくにつれて幅が小さくなるテーパ形状の凸部が設けられ、
前記RFロッドは、前記第2ロッド部材の端部に設けられた凹部に、前記第1ロッド部材の前記凸部が嵌め合わされたものである、
請求項1又は2に記載のウエハ支持台。 - 前記第2ロッド部材はタングステン製である、
請求項1~4のいずれか1項に記載のウエハ支持台。 - 前記第1ロッド部材の先端側には、くびれ部が形成されている、
請求項1~5のいずれか1項に記載のウエハ支持台。 - 先端から前記先端と基端との間に位置する所定位置までの領域を形成するNi製の第1ロッド部材と、前記第1ロッド部材に接合され、前記所定位置から前記基端までの領域を形成する第2ロッド部材とによって構成されたハイブリッドロッドであり、
前記第2ロッド部材は、非磁性体製であり、
前記第2ロッド部材には、中空部分が形成され、
前記中空部分を取り囲む周壁部は、タングステンリボン又はタングステンメッシュで形成されている、
RFロッド。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2021062560 | 2021-04-01 | ||
JP2021062560 | 2021-04-01 | ||
PCT/JP2022/009916 WO2022209619A1 (ja) | 2021-04-01 | 2022-03-08 | ウエハ支持台及びrfロッド |
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JP7129587B1 true JP7129587B1 (ja) | 2022-09-01 |
JPWO2022209619A1 JPWO2022209619A1 (ja) | 2022-10-06 |
JPWO2022209619A5 JPWO2022209619A5 (ja) | 2023-02-28 |
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JP2022543661A Active JP7129587B1 (ja) | 2021-04-01 | 2022-03-08 | ウエハ支持台及びrfロッド |
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US (1) | US20230058637A1 (ja) |
JP (1) | JP7129587B1 (ja) |
KR (1) | KR20220166861A (ja) |
CN (1) | CN117043925A (ja) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03145084A (ja) * | 1989-10-31 | 1991-06-20 | Shinagawa Refract Co Ltd | 非金属発熱体の電極接合方法及び電極接合構造 |
JP3145084B2 (ja) | 1999-07-21 | 2001-03-12 | 株式会社東芝 | 超音波治療装置 |
WO2016080502A1 (ja) * | 2014-11-20 | 2016-05-26 | 住友大阪セメント株式会社 | 静電チャック装置 |
JP2016143795A (ja) * | 2015-02-03 | 2016-08-08 | 日本特殊陶業株式会社 | 静電チャック |
JP2017119593A (ja) * | 2015-12-28 | 2017-07-06 | 日本特殊陶業株式会社 | セラミックス部材 |
US20170278682A1 (en) * | 2016-03-25 | 2017-09-28 | Applied Materials, Inc. | Ceramic heater with enhanced rf power delivery |
JP2017183329A (ja) * | 2016-03-28 | 2017-10-05 | 日本碍子株式会社 | ウエハ載置装置 |
US20200013586A1 (en) * | 2018-07-07 | 2020-01-09 | Applied Materials, Inc. | Semiconductor processing apparatus for high rf power process |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3790000B2 (ja) | 1997-01-27 | 2006-06-28 | 日本碍子株式会社 | セラミックス部材と電力供給用コネクターとの接合構造 |
-
2022
- 2022-03-08 CN CN202280003234.4A patent/CN117043925A/zh active Pending
- 2022-03-08 KR KR1020227039414A patent/KR20220166861A/ko not_active Application Discontinuation
- 2022-03-08 JP JP2022543661A patent/JP7129587B1/ja active Active
- 2022-10-19 US US18/047,713 patent/US20230058637A1/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03145084A (ja) * | 1989-10-31 | 1991-06-20 | Shinagawa Refract Co Ltd | 非金属発熱体の電極接合方法及び電極接合構造 |
JP3145084B2 (ja) | 1999-07-21 | 2001-03-12 | 株式会社東芝 | 超音波治療装置 |
WO2016080502A1 (ja) * | 2014-11-20 | 2016-05-26 | 住友大阪セメント株式会社 | 静電チャック装置 |
JP2016143795A (ja) * | 2015-02-03 | 2016-08-08 | 日本特殊陶業株式会社 | 静電チャック |
JP2017119593A (ja) * | 2015-12-28 | 2017-07-06 | 日本特殊陶業株式会社 | セラミックス部材 |
US20170278682A1 (en) * | 2016-03-25 | 2017-09-28 | Applied Materials, Inc. | Ceramic heater with enhanced rf power delivery |
JP2017183329A (ja) * | 2016-03-28 | 2017-10-05 | 日本碍子株式会社 | ウエハ載置装置 |
US20200013586A1 (en) * | 2018-07-07 | 2020-01-09 | Applied Materials, Inc. | Semiconductor processing apparatus for high rf power process |
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JPWO2022209619A1 (ja) | 2022-10-06 |
CN117043925A (zh) | 2023-11-10 |
US20230058637A1 (en) | 2023-02-23 |
KR20220166861A (ko) | 2022-12-19 |
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