JP5496568B2 - プラズマ処理装置及びプラズマ処理方法 - Google Patents
プラズマ処理装置及びプラズマ処理方法 Download PDFInfo
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- JP5496568B2 JP5496568B2 JP2009181738A JP2009181738A JP5496568B2 JP 5496568 B2 JP5496568 B2 JP 5496568B2 JP 2009181738 A JP2009181738 A JP 2009181738A JP 2009181738 A JP2009181738 A JP 2009181738A JP 5496568 B2 JP5496568 B2 JP 5496568B2
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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
- H01J37/32091—Radio frequency generated discharge the radio frequency energy being capacitively coupled to the plasma
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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
- H01J37/32137—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
- H01J37/32009—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
-
- 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
- H01J37/32715—Workpiece holder
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Drying Of Semiconductors (AREA)
- Plasma Technology (AREA)
- Cleaning Or Drying Semiconductors (AREA)
Description
Claims (6)
- 内部に基板を収容可能とされた処理チャンバーと、
前記処理チャンバー内に配置され、前記基板が載置される載置台を兼ねた下部電極と、
前記処理チャンバー内に、前記下部電極と対向するように配置された上部電極と、
前記下部電極又は前記上部電極にプラズマ生成用の第1の周波数の高周波電力を印加するための第1の高周波電源と、
前記下部電極に、前記第1の周波数より周波数の低いイオン引き込み用の第2の周波数の高周波電力を印加するための第2の高周波電源と、
前記下部電極と電気的に絶縁された状態で、当該下部電極上の少なくとも周縁部に設けられたバイアス分布制御用電極と、
前記バイアス分布制御用電極に、前記第2の周波数より周波数の低い第3の周波数の矩形波の電圧を印加するためのバイアス分布制御用電源と
を具備したことを特徴とするプラズマ処理装置。 - 請求項1記載のプラズマ処理装置であって、
前記バイアス分布制御用電極が、同心状に分割されて複数設けられていることを特徴とするプラズマ処理装置。 - 請求項2記載のプラズマ処理装置であって、
前記複数のバイアス分布制御用電極に、夫々別の前記バイアス分布制御用電源が接続されている
ことを特徴とするプラズマ処理装置。 - 請求項1〜3いずれか1項記載のプラズマ処理装置であって、
前記バイアス分布制御用電極が、前記基板を静電吸着する静電チャックの電極を兼ねている
ことを特徴とするプラズマ処理装置。 - 請求項1〜4いずれか1項記載のプラズマ処理装置であって、
前記バイアス分布制御用電源から周波数が100KHz〜1MHz、電圧が1〜500Vの電圧を印加する
ことを特徴とするプラズマ処理装置。 - 内部に基板を収容可能とされた処理チャンバーと、
前記処理チャンバー内に配置され、前記基板が載置される載置台を兼ねた下部電極と、
前記処理チャンバー内に、前記下部電極と対向するように配置された上部電極と、
前記下部電極又は前記上部電極にプラズマ生成用の第1の周波数の高周波電力を印加するための第1の高周波電源と、
前記下部電極に、前記第1の周波数より周波数の低いイオン引き込み用の第2の周波数の高周波電力を印加するための第2の高周波電源と、
を具備したプラズマ処理装置を用いたプラズマ処理方法であって、
当該下部電極上の少なくとも周縁部に、前記下部電極と電気的に絶縁された状態のバイアス分布制御用電極を設け、
前記バイアス分布制御用電極に、バイアス分布制御用電源から前記第2の周波数より周波数の低い第3の周波数の矩形波の電圧を印加して前記下部電極上のバイアス分布を制御する
ことを特徴とするプラズマ処理方法。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009181738A JP5496568B2 (ja) | 2009-08-04 | 2009-08-04 | プラズマ処理装置及びプラズマ処理方法 |
| CN201010236449XA CN101990353B (zh) | 2009-08-04 | 2010-07-22 | 等离子处理装置和等离子处理方法 |
| KR1020100073806A KR101677239B1 (ko) | 2009-08-04 | 2010-07-30 | 플라즈마 처리 장치 및 플라즈마 처리 방법 |
| US12/848,342 US9275836B2 (en) | 2009-08-04 | 2010-08-02 | Plasma processing apparatus and plasma processing method |
| TW099125742A TWI553729B (zh) | 2009-08-04 | 2010-08-03 | Plasma processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009181738A JP5496568B2 (ja) | 2009-08-04 | 2009-08-04 | プラズマ処理装置及びプラズマ処理方法 |
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| Publication Number | Publication Date |
|---|---|
| JP2011035266A JP2011035266A (ja) | 2011-02-17 |
| JP5496568B2 true JP5496568B2 (ja) | 2014-05-21 |
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| JP2009181738A Active JP5496568B2 (ja) | 2009-08-04 | 2009-08-04 | プラズマ処理装置及びプラズマ処理方法 |
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| Country | Link |
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| US (1) | US9275836B2 (ja) |
| JP (1) | JP5496568B2 (ja) |
| KR (1) | KR101677239B1 (ja) |
| CN (1) | CN101990353B (ja) |
| TW (1) | TWI553729B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20250116550A (ko) * | 2024-01-25 | 2025-08-01 | 토토 가부시키가이샤 | 정전 척 |
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| KR20250116550A (ko) * | 2024-01-25 | 2025-08-01 | 토토 가부시키가이샤 | 정전 척 |
| KR102927416B1 (ko) | 2024-01-25 | 2026-02-13 | 토토 가부시키가이샤 | 정전 척 |
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| CN101990353A (zh) | 2011-03-23 |
| TWI553729B (zh) | 2016-10-11 |
| US9275836B2 (en) | 2016-03-01 |
| CN101990353B (zh) | 2013-04-17 |
| KR101677239B1 (ko) | 2016-11-17 |
| KR20110014104A (ko) | 2011-02-10 |
| US20110031217A1 (en) | 2011-02-10 |
| TW201130032A (en) | 2011-09-01 |
| JP2011035266A (ja) | 2011-02-17 |
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