JP7240497B2 - 電荷散逸コーティングを施した静電チャック - Google Patents
電荷散逸コーティングを施した静電チャック Download PDFInfo
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- JP7240497B2 JP7240497B2 JP2021527179A JP2021527179A JP7240497B2 JP 7240497 B2 JP7240497 B2 JP 7240497B2 JP 2021527179 A JP2021527179 A JP 2021527179A JP 2021527179 A JP2021527179 A JP 2021527179A JP 7240497 B2 JP7240497 B2 JP 7240497B2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N13/00—Clutches or holding devices using electrostatic attraction, e.g. using Johnson-Rahbek effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
- B23Q3/152—Rotary devices
-
- 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
- H01L21/67126—Apparatus for sealing, encapsulating, glassing, decapsulating or the like
-
- 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
-
- 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
-
- 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
- H01L21/6835—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 temporarily an auxiliary support
-
- 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
- H01L21/6875—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 plurality of individual support members, e.g. support posts or protrusions
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Jigs For Machine Tools (AREA)
Description
Claims (8)
- ウエハ基板を上部で支持するように構成された静電チャックアセンブリであって、静電チャックアセンブリが、
主電界領域を含む表面と、
主電界領域の周囲部分の上に延在する複数のエンボスを有する第1の絶縁体層と、エンボス間に配置されたコーティングされていない絶縁材料をもたらす第1の導電性コーティングにおける1又は複数の間隙部分を有する第1の導電性コーティングとを含む絶縁材料であって、複数のエンボスは、エンボスの各々が第1の導電性コーティングを有した状態で、静電チャックの外縁から横方向に配置されることにより、導電性コーティングされたエンボスが構成され、当該エンボスは、接地に電気的に結合されたエンボスのセット全体にわたって1又は複数の導電性ブリッジを形成し、複数の導電性コーティングされたエンボスが、主電界上及び静電チャックの外縁の上にウエハ基板を支持するように構成された、絶縁材料と、
第1の絶縁体層の下方に配置された第1の電極パターンであって、第1の電極パターンは、間隙部分の下方に縦方向に配置され、エンボスの導電性ブリッジ間に横方向に配置された電極要素を有し、導電性コーティングされたエンボスの遠位部分が、電極要素上を横方向に延在せず、縦方向の隙間を形成して、電極パターンの通電時に第1の電極パターンと導電性ブリッジとの間の電気的結合を減少させる、第1の電極パターンと、
第1の絶縁体層の下方に配置された第2の電極パターンであって、第2の電極パターンが、第1の電極パターンとは反対の極性であり、第1及び第2の電極パターンが、通電時のエンボスの導電性ブリッジ上にウエハ基板をクランプするように構成されている、第2の電極パターンと、
電極パターンの各々のうちの電極とインターリーブ構成で配置された、電気的に結合された複数のエンボスから形成された複数の導電性ブリッジ経路と、
第1の電極パターン及び導電性コーティングされたエンボスを有する表面を支持するように構成された絶縁体と、
を含む、静電チャックアセンブリ。 - 導電性ブリッジのうちの少なくとも1つが、静電チャックの縦方向の穴を通して、導電性接地層又は接地のうちの1つに電気的に結合されている、請求項1に記載の静電チャックアセンブリ。
- 静電チャックのワークピース接触面の外縁の少なくとも一部を覆う導電経路を更に含み、導電経路が、導電性接地層に電気的に結合された第2の導電性コーティングを含む、請求項1に記載の静電チャックアセンブリ。
- 表面上のガスシールリングを更に含み、導電経路が、静電チャックのガスシールリングの少なくとも一部を覆っている、請求項1に記載の静電チャックアセンブリ。
- エンボス上の第1の導電性コーティングが、金属材料又は導電性電荷散逸材料のうちの1つである、請求項1に記載の静電チャックアセンブリ。
- ウエハ基板を上部で支持するように構成された静電チャックアセンブリであって、静電チャックアセンブリが、
主電界領域の周囲部分の上に延在する少なくとも1つのエンボスを有する第1の絶縁体層を形成する絶縁材料と、エンボス間のコーティングされていない絶縁材料をもたらす第1の導電性コーティングにおける1又は複数の間隙部分を有する第1の導電性コーティングとを含む主電界領域を含む表面であって、少なくとも1つのエンボスは、第1の導電性コーティングが上部に配置された状態で、静電チャックの外縁から横方向に配置され、導電性コーティングされたエンボスが、静電チャックの縦方向の穴を介して接地に電気的に結合され、第2の導電性コーティングが、縦方向の穴の側壁に沿って延在するとともに縦方向の穴の側壁を覆い、導電性コーティングされたエンボスが、主電界上及び静電チャックの外縁の上にウエハ基板を支持するように構成される、表面と、
第1の絶縁体層の下方に配置された第1の電極パターンであって、第1の電極パターンが、間隙部分の下方に縦方向に配置され、導電性コーティングされたエンボスから横方向に離れて配置された電極要素を有し、導電性コーティングされたエンボス又はその上の第1の導電性コーティングの遠位部分が、電極要素上を横方向に延在せず、縦方向の隙間を形成して、第1の電極パターンの通電時に第1の電極パターンと導電性コーティングされたエンボスとの間の電気的結合を減少させる、第1の電極パターンと、
を含む、静電チャックアセンブリ。 - 導電性コーティングが、金属材料又は導電性電荷散逸材料のうちの1つである、請求項6に記載の静電チャックアセンブリ。
- 静電チャックのワークピース接触面の外縁の少なくとも一部を覆う導電経路を更に含み、導電経路が、接地への電気経路に電気的に結合された導電性コーティングを含む、請求項7に記載の静電チャックアセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862769306P | 2018-11-19 | 2018-11-19 | |
US62/769,306 | 2018-11-19 | ||
PCT/US2019/061177 WO2020106521A1 (en) | 2018-11-19 | 2019-11-13 | Electrostatic chuck with charge dissipation coating |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022507729A JP2022507729A (ja) | 2022-01-18 |
JP7240497B2 true JP7240497B2 (ja) | 2023-03-15 |
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ID=70726882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2021527179A Active JP7240497B2 (ja) | 2018-11-19 | 2019-11-13 | 電荷散逸コーティングを施した静電チャック |
Country Status (7)
Country | Link |
---|---|
US (1) | US11742781B2 (ja) |
EP (1) | EP3884513A4 (ja) |
JP (1) | JP7240497B2 (ja) |
KR (1) | KR102556739B1 (ja) |
CN (1) | CN113056816A (ja) |
TW (1) | TWI740278B (ja) |
WO (1) | WO2020106521A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI762978B (zh) * | 2019-07-24 | 2022-05-01 | 美商恩特葛瑞斯股份有限公司 | 用於多層之靜電吸盤之接地機構及相關之方法 |
US20230009692A1 (en) * | 2021-07-07 | 2023-01-12 | Applied Materials, Inc | Coated substrate support assembly for substrate processing |
US20230060192A1 (en) * | 2021-09-02 | 2023-03-02 | Entegris, Inc. | Methods and apparatus for processing an electrostatic chuck |
KR102697885B1 (ko) * | 2022-02-08 | 2024-08-22 | (주)아이씨디 | 정전 장치 및 그 동작 방법 |
WO2023153021A1 (ja) * | 2022-02-09 | 2023-08-17 | 日本碍子株式会社 | 半導体製造装置用部材 |
US11764094B2 (en) * | 2022-02-18 | 2023-09-19 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor processing tool and methods of operation |
WO2023164128A1 (en) * | 2022-02-28 | 2023-08-31 | Entegris, Inc. | Electrostatic chuck with a charge dissipation strucutre |
TWI802407B (zh) * | 2022-05-12 | 2023-05-11 | 宏貿科技有限公司 | 靜電卡盤 |
WO2024078830A1 (en) * | 2022-10-10 | 2024-04-18 | Asml Netherlands B.V. | Electrostatic clamp with a structured electrode by post bond structuring |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006287210A (ja) | 2005-03-07 | 2006-10-19 | Ngk Insulators Ltd | 静電チャック及びその製造方法 |
JP2013542590A (ja) | 2010-09-08 | 2013-11-21 | インテグリス・インコーポレーテッド | 高導電性静電チャック |
JP2017212332A (ja) | 2016-05-25 | 2017-11-30 | 日本特殊陶業株式会社 | 電極内蔵型載置台構造 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5382311A (en) * | 1992-12-17 | 1995-01-17 | Tokyo Electron Limited | Stage having electrostatic chuck and plasma processing apparatus using same |
EP0635870A1 (en) * | 1993-07-20 | 1995-01-25 | Applied Materials, Inc. | An electrostatic chuck having a grooved surface |
TW380292B (en) * | 1996-09-11 | 2000-01-21 | Hitachi Ltd | Electrostatic attachment electrode and manufacturing method thereof |
JP2002170871A (ja) * | 2000-12-04 | 2002-06-14 | Kyocera Corp | 静電チャック |
JP4010541B2 (ja) * | 2002-06-18 | 2007-11-21 | キヤノンアネルバ株式会社 | 静電吸着装置 |
KR100511854B1 (ko) * | 2002-06-18 | 2005-09-02 | 아네르바 가부시키가이샤 | 정전 흡착 장치 |
JP4061131B2 (ja) * | 2002-06-18 | 2008-03-12 | キヤノンアネルバ株式会社 | 静電吸着装置 |
JP4338376B2 (ja) * | 2002-10-24 | 2009-10-07 | キヤノンアネルバ株式会社 | 静電チャック装置 |
US6753503B2 (en) | 2002-07-08 | 2004-06-22 | Illinois Tool Works Inc. | Oil separator for a welder |
US6946403B2 (en) * | 2003-10-28 | 2005-09-20 | Axcelis Technologies, Inc. | Method of making a MEMS electrostatic chuck |
US7586734B2 (en) * | 2004-06-28 | 2009-09-08 | Kyocera Corporation | Electrostatic chuck |
TW200735254A (en) * | 2006-03-03 | 2007-09-16 | Ngk Insulators Ltd | Electrostatic chuck and producing method thereof |
US7667944B2 (en) * | 2007-06-29 | 2010-02-23 | Praxair Technology, Inc. | Polyceramic e-chuck |
JP4418032B2 (ja) * | 2007-09-11 | 2010-02-17 | キヤノンアネルバ株式会社 | 静電チャック |
JP5293211B2 (ja) * | 2009-01-14 | 2013-09-18 | Toto株式会社 | 静電チャックおよび静電チャックの製造方法 |
WO2013049586A1 (en) * | 2011-09-30 | 2013-04-04 | Applied Materials, Inc. | Electrostatic chuck |
EP3073521B1 (en) * | 2013-11-22 | 2022-04-20 | Kyocera Corporation | Electrostatic chuck |
CN107078086B (zh) * | 2014-02-07 | 2021-01-26 | 恩特格里斯公司 | 静电夹具以及制造其之方法 |
JP6129451B1 (ja) * | 2015-08-20 | 2017-05-17 | 日本碍子株式会社 | 静電チャックヒータ |
-
2019
- 2019-11-13 US US16/682,497 patent/US11742781B2/en active Active
- 2019-11-13 JP JP2021527179A patent/JP7240497B2/ja active Active
- 2019-11-13 WO PCT/US2019/061177 patent/WO2020106521A1/en unknown
- 2019-11-13 CN CN201980075709.9A patent/CN113056816A/zh active Pending
- 2019-11-13 EP EP19886420.9A patent/EP3884513A4/en active Pending
- 2019-11-13 KR KR1020217014735A patent/KR102556739B1/ko active IP Right Grant
- 2019-11-19 TW TW108141980A patent/TWI740278B/zh active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006287210A (ja) | 2005-03-07 | 2006-10-19 | Ngk Insulators Ltd | 静電チャック及びその製造方法 |
JP2013542590A (ja) | 2010-09-08 | 2013-11-21 | インテグリス・インコーポレーテッド | 高導電性静電チャック |
JP2017212332A (ja) | 2016-05-25 | 2017-11-30 | 日本特殊陶業株式会社 | 電極内蔵型載置台構造 |
Also Published As
Publication number | Publication date |
---|---|
KR102556739B1 (ko) | 2023-07-17 |
CN113056816A (zh) | 2021-06-29 |
EP3884513A4 (en) | 2022-08-03 |
EP3884513A1 (en) | 2021-09-29 |
KR20210065189A (ko) | 2021-06-03 |
WO2020106521A1 (en) | 2020-05-28 |
US20200161158A1 (en) | 2020-05-21 |
TW202027214A (zh) | 2020-07-16 |
JP2022507729A (ja) | 2022-01-18 |
US11742781B2 (en) | 2023-08-29 |
TWI740278B (zh) | 2021-09-21 |
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