KR102024965B1 - 정전척 및 정전척의 제조 방법 - Google Patents
정전척 및 정전척의 제조 방법 Download PDFInfo
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- KR102024965B1 KR102024965B1 KR1020147031085A KR20147031085A KR102024965B1 KR 102024965 B1 KR102024965 B1 KR 102024965B1 KR 1020147031085 A KR1020147031085 A KR 1020147031085A KR 20147031085 A KR20147031085 A KR 20147031085A KR 102024965 B1 KR102024965 B1 KR 102024965B1
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
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- H—ELECTRICITY
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- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- H02N13/00—Clutches or holding devices using electrostatic attraction, e.g. using Johnson-Rahbek effect
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Abstract
접착제를 사용한 경우에 있어서의 결점이 존재하지 않고, 그와 함께 설계 자유도가 높은 정전척 및 정전척의 제조 방법을 제공한다.
(수단)
척 본체를 구성하는 기재부 (2) 와, 기재부 (2) 의 표면 (2a) 에 형성된 용사 피막으로 이루어지는 제 1 절연층 (3) 과, 제 1 절연층 (3) 의 표면 (3a) 에 도전성 페이스트를 도포하여 형성된 도전체로 이루어지는 히터부 (4) 와, 히터부 (4) 를 덮도록 제 1 절연층 (3) 의 표면 (3a) 에 형성된 용사 피막으로 이루어지는 제 2 절연층 (5) 과, 제 2 절연층 (5) 의 표면 (5a) 에 용사하여 형성된 전극부 (6) 와, 전극부 (6) 를 덮도록 제 2 절연층 (5) 의 표면 (5a) 에 형성된 용사 피막으로 이루어지는 유전층 (7) 을 구비한 정전척 (1) 으로 하며, 접착제를 사용하지 않고, 히터부 (4) 의 체적 저항률을 낮게 하였다.
Description
도 2 는 정전척의 단면 모식도이다.
도 3 은 히터부를 나타내는 평면 모식도이다.
2 : 기부재
2a : 표면
3 : 제 1 절연층
3a : 표면
4 : 히터부
5 : 제 2 절연층
5a : 표면
6 : 전극부
7 : 유전층
9 : 가스 구멍
10 : 제 1 급전 핀
11 : 제 2 급전 핀
12 : 냉각로
50 : 진공 챔버
51 : 웨이퍼
Claims (7)
- 웨이퍼를 유지하기 위한 척 본체를 구성하는 기재부와,
상기 기재부의 웨이퍼 유지측에 형성된 용사 피막으로 이루어지는 제 1 및 제 2 절연층과,
상기 제 1 절연층의 웨이퍼 유지측의 표면에 도전성 페이스트를 도포하여 형성된 도전체로 이루어지는 히터부와,
상기 제 2 절연층의 웨이퍼 유지측의 표면에 도전성 페이스트를 도포하여 형성된, 정전 흡착용의 전극부와,
상기 제 2 절연층의 웨이퍼 유지측에 형성된 용사 피막으로 이루어지는 유전층을 구비하고,
상기 도전성 페이스트는 경화 후의 잔사량이 5 중량% 이하가 되고,
상기 히터부는, 5 ㎜ 이하의 선 폭으로 가늘고 긴 형상으로 배선되어 있는 것을 특징으로 하는 정전척. - 웨이퍼를 유지하기 위한 척 본체를 구성하는 기재부와,
상기 기재부의 웨이퍼 유지측의 표면에 형성된 용사 피막으로 이루어지는 절연층과,
상기 절연층의 웨이퍼 유지측의 표면에 도전성 페이스트를 도포하여 형성된 도전체로 이루어지는 히터부와,
상기 절연층의 웨이퍼 유지측의 표면에 도전성 페이스트를 도포하여 형성된, 정전 흡착용의 전극부와,
상기 절연층의 웨이퍼 유지측에 형성된 용사 피막으로 이루어지는 유전층을 구비하고,
상기 도전성 페이스트는 경화 후의 잔사량이 5 중량% 이하가 되고,
상기 히터부는, 5 ㎜ 이하의 선 폭으로 가늘고 긴 형상으로 배선되어 있는 것을 특징으로 하는 정전척. - 삭제
- 삭제
- 제 1 항 또는 제 2 항에 있어서,
상기 히터부가 형성되어 있는 절연층 표면의 표면 조도가, Ra 값으로 6 ㎛ 이하인 것을 특징으로 하는 정전척. - 제 1 항 또는 제 2 항에 있어서,
상기 용사 피막은, 산화물계 세라믹, 질화물계 세라믹, 및 불화물계 세라믹에서 선택되는 1 종 이상의 재료로 이루어지는 것을 특징으로 하는 정전척. - 척 본체를 구성하는 기재부의 웨이퍼 유지측에서 용사 재료를 용사하여 제 1 및 제 2 절연층을 형성하는 절연층 형성 공정과,
상기 제 1 절연층의 웨이퍼 유지측의 표면에 스크린 인쇄법, 잉크젯법, 및 디스펜서법 중 어느 것에 의해 도전성 페이스트를 도포하여, 도전체로 이루어지는 히터부를 형성하는 히터부 형성 공정과,
상기 제 2 절연층의 웨이퍼 유지측의 표면에 스크린 인쇄법, 잉크젯법, 및 디스펜서법 중 어느 것에 의해 도전성 페이스트를 도포하여, 정전 흡착용의 전극부를 형성하는 전극부 형성 공정과,
상기 제 2 절연층의 웨이퍼 유지측에서 용사 재료를 용사하여 유전층을 형성하는 유전층 형성 공정을 구비하고,
상기 도전성 페이스트는 경화 후의 잔사량이 5 중량% 이하가 되고,
상기 히터부는, 5 ㎜ 이하의 선 폭으로 가늘고 긴 형상으로 배선되어 있는 것을 특징으로 하는 정전척의 제조 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012105583A JP6359236B2 (ja) | 2012-05-07 | 2012-05-07 | 静電チャック |
| JPJP-P-2012-105583 | 2012-05-07 | ||
| PCT/JP2013/058208 WO2013168471A1 (ja) | 2012-05-07 | 2013-03-22 | 静電チャック及び静電チャックの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20150013497A KR20150013497A (ko) | 2015-02-05 |
| KR102024965B1 true KR102024965B1 (ko) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147031085A Active KR102024965B1 (ko) | 2012-05-07 | 2013-03-22 | 정전척 및 정전척의 제조 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9799545B2 (ko) |
| JP (1) | JP6359236B2 (ko) |
| KR (1) | KR102024965B1 (ko) |
| CN (1) | CN104272450B (ko) |
| TW (1) | TWI581361B (ko) |
| WO (1) | WO2013168471A1 (ko) |
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- 2013-03-22 WO PCT/JP2013/058208 patent/WO2013168471A1/ja not_active Ceased
- 2013-03-22 CN CN201380023475.6A patent/CN104272450B/zh active Active
- 2013-03-22 US US14/397,297 patent/US9799545B2/en active Active
- 2013-03-22 KR KR1020147031085A patent/KR102024965B1/ko active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6359236B2 (ja) | 2018-07-18 |
| US9799545B2 (en) | 2017-10-24 |
| US20150116889A1 (en) | 2015-04-30 |
| KR20150013497A (ko) | 2015-02-05 |
| TWI581361B (zh) | 2017-05-01 |
| CN104272450B (zh) | 2016-11-23 |
| TW201347079A (zh) | 2013-11-16 |
| WO2013168471A1 (ja) | 2013-11-14 |
| CN104272450A (zh) | 2015-01-07 |
| JP2013235879A (ja) | 2013-11-21 |
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