JP2017509135A - ピクセル化された容量制御esc - Google Patents
ピクセル化された容量制御esc Download PDFInfo
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- JP2017509135A JP2017509135A JP2016529443A JP2016529443A JP2017509135A JP 2017509135 A JP2017509135 A JP 2017509135A JP 2016529443 A JP2016529443 A JP 2016529443A JP 2016529443 A JP2016529443 A JP 2016529443A JP 2017509135 A JP2017509135 A JP 2017509135A
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/92—Capacitors having potential barriers
- H01L29/93—Variable capacitance diodes, e.g. varactors
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Abstract
Description
本明細書に記載される実施形態(インプリメンテーション)は、概して、半導体製造に関し、より具体的には、静電チャック及びその使用方法に関する。
デバイスパターンのフィーチャーサイズが小さくなるにつれて、これらのフィーチャーのクリティカルディメンジョン(CD)の要件は、安定的で再現性のあるデバイス性能に対するより重要な基準となる。処理チャンバ内で処理された基板全域に亘る許容されるCD変動は、チャンバの非対称性(例えば、チャンバ及び基板の温度、フローコンダクタンス、及びRF場)に起因して達成することが困難である。
Claims (15)
- 上で基板を受けるように構成されたワークピース支持面を有する誘電体本体と、
ピクセル化されたESC内に配置された1以上のチャッキング電極と、
浮いた状態と接地された状態との間で切り換え可能である、グランドに対して可変容量を有する、又はそれらの両方である複数のピクセル電極であって、ワークピース支持面に基板を静電チャックするように動作可能な回路を形成する複数のピクセル電極とを含むピクセル化された静電チャック(ESC)。 - ピクセル電極とグランドとの間に結合されたコンデンサのバンクを含む、請求項1記載のピクセル化されたESC。
- コンデンサのうちの少なくとも1つが、MEMSコンデンサである、請求項1記載のピクセル化されたESC。
- チャッキング電極は、格子状に配置されている、請求項1記載のピクセル化されたESC。
- コンデンサは、本体内に一体化されている、請求項1記載のピクセル化されたESC。
- ピクセルコンデンサは、RF可変コンデンサである、請求項1記載のピクセル化されたESC。
- コンデンサは、約10%未満である、本体全域に亘る静電容量の均一性を有する、請求項1記載のピクセル化されたESC。
- ピクセル電極のうちの少なくとも1つとグランドとの間の静電容量が、約20pFである、請求項1記載のピクセル化されたESC。
- チャンバ本体と、
チャンバ本体内に配置されたピクセル化された静電チャック(ESC)であって、ピクセル化されたESCは、
上で基板を受けるように構成されたワークピース支持面を有する誘電体本体と、
ピクセル化されたESC内に配置された1以上のチャッキング電極と、
浮いた状態と接地された状態との間で切り換え可能である、グランドに対して可変容量を有する、又はそれらの両方である複数のピクセル電極であって、ワークピース支持面に基板を静電チャックするように動作可能な回路を形成する複数のピクセル電極とを含むピクセル化されたESCとを含む処理チャンバ。 - ピクセル電極とグランドとの間に結合されたコンデンサのバンクを含む、請求項9記載の処理チャンバ。
- コンデンサのうちの少なくとも1つが、MEMSコンデンサである、請求項9記載の処理チャンバ。
- ピクセルコンデンサは、RF可変コンデンサである、請求項9記載の処理チャンバ。
- ピクセル化された静電チャック内に形成された主チャッキング電極に電力を印加する工程と、
ピクセル化された静電チャックに基板を固定するためにピクセル化された静電チャック内で横方向に分布した複数のピクセル電極のうちの1以上をグランドに選択的に結合する工程と、
ピクセル化された静電チャック上で基板を処理する工程とを含む基板を処理するための方法。 - ピクセル化された静電チャック内に配置された他のピクセル電極に対して、各ピクセル電極のグランドへの結合の持続時間及びデューティサイクルのうちの少なくとも1つを制御する工程を含む、請求項13記載の方法。
- ピクセル化された静電チャック内に配置された他のピクセル電極に対して、少なくとも1つのピクセル電極とグランドとの間の静電容量を制御する工程を含む、請求項13記載の方法。
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KR102316425B1 (ko) | 2021-10-21 |
KR20170060165A (ko) | 2017-05-31 |
KR101854373B1 (ko) | 2018-05-03 |
WO2015134155A1 (en) | 2015-09-11 |
CN106876313B (zh) | 2019-09-27 |
TW201535588A (zh) | 2015-09-16 |
JP6126747B2 (ja) | 2017-05-10 |
CN108428663A (zh) | 2018-08-21 |
CN108428663B (zh) | 2022-08-30 |
US9472410B2 (en) | 2016-10-18 |
US9805965B2 (en) | 2017-10-31 |
KR20170017003A (ko) | 2017-02-14 |
TWI598990B (zh) | 2017-09-11 |
JP2017201700A (ja) | 2017-11-09 |
KR20160127717A (ko) | 2016-11-04 |
CN105981156B (zh) | 2018-04-24 |
US20170110358A1 (en) | 2017-04-20 |
JP6998136B2 (ja) | 2022-01-18 |
US20150311105A1 (en) | 2015-10-29 |
JP2021158369A (ja) | 2021-10-07 |
TW201719802A (zh) | 2017-06-01 |
CN105981156A (zh) | 2016-09-28 |
TWI596697B (zh) | 2017-08-21 |
KR101782981B1 (ko) | 2017-09-28 |
US9536769B1 (en) | 2017-01-03 |
CN106876313A (zh) | 2017-06-20 |
JP6207780B2 (ja) | 2017-10-04 |
US20170004988A1 (en) | 2017-01-05 |
JP2017143269A (ja) | 2017-08-17 |
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