KR20200052973A - 정전 척 어셈블리, 정전 척 및 포커스 링 - Google Patents
정전 척 어셈블리, 정전 척 및 포커스 링 Download PDFInfo
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- H10P72/7604—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches the wafers being placed on a susceptor, stage or support
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Abstract
Description
도 2는 도 1의 정전 척 어셈블리(15)의 부분 확대도이다.
도 3은 정전 척 어셈블리(15)의 조립 순서를 도시한 설명도이다.
도 4는 정전 척 어셈블리(15)의 다른 예의 부분 확대도이다.
도 5는 정전 척 어셈블리(15)의 다른 예의 부분 확대도이다.
도 6은 정전 척 어셈블리(15)의 다른 예의 부분 확대도이다.
도 7은 정전 척 어셈블리(15)의 다른 예의 부분 확대도이다.
20: 정전 척 22: 세라믹체
22a: 웨이퍼 배치면 22b: 이면
23: 요철 영역 23c: 오목부
23d: 가스 공급로 24a: 환형 단차면
27: 제1 세라믹 부재 28: 제2 세라믹 부재
28a: 포커스 링 배치면 29: 요철 영역
29c: 오목부 29d: 가스 공급로
32: 웨이퍼 흡착용 전극 38: 포커스 링 흡착용 전극
50: 포커스 링 52: 링 본체
52a: 환형 단차면 52b: 이면
54: 대향 영역 55, 355: 내주홈
57, 357: 외주홈 60: O링
65: 소직경 O링 67: 대직경 O링
70: 냉각판 72: 냉매 통로
75: 본딩 시트 80: 챔버
90: 샤워 헤드 125, 325: 내주홈
127, 327: 외주홈 227, 255: 절결홈
W: 웨이퍼
Claims (4)
- 원형 표면인 웨이퍼 배치면과 비교하여 저위(低位)의 포커스 링 배치면을 상기 웨이퍼 배치면의 외주부에 갖는 세라믹체와,
상기 세라믹체의 내부 중 상기 웨이퍼 배치면에 대향하는 위치에 매설된 제1 전극과,
상기 세라믹체의 내부 중 상기 포커스 링 배치면에 대향하는 위치에 매설된 제2 전극과,
상기 포커스 링 배치면의 표면에 형성된 가스 저장용의 요철 영역과,
상기 포커스 링 배치면에 배치된 포커스 링과,
상기 포커스 링 배치면과 상기 포커스 링 사이이며 상기 요철 영역을 둘러싸도록 상기 포커스 링 배치면의 내주측 및 외주측에 배치된 한 쌍의 탄성 환형 시일재
를 구비한 정전 척 어셈블리. - 제1항에 있어서, 상기 탄성 환형 시일재는, 상기 포커스 링 배치면 및 상기 포커스 링 중 적어도 한쪽에 형성된 환형 홈에 끼워 넣어져 있는 것인 정전 척 어셈블리.
- 원형 표면인 웨이퍼 배치면과 비교하여 저위의 포커스 링 배치면을 상기 웨이퍼 배치면의 외주부에 갖는 세라믹체와,
상기 세라믹체의 내부 중 상기 웨이퍼 배치면에 대향하는 위치에 매설된 제1 전극과,
상기 세라믹체의 내부 중 상기 포커스 링 배치면에 대향하는 위치에 매설된 제2 전극과,
상기 포커스 링 배치면의 표면에 형성된 가스 저장용의 요철 영역과,
상기 포커스 링 배치면의 표면 중 상기 요철 영역을 둘러싸도록 내주측 및 외주측에 형성된 한 쌍의 환형 홈
을 구비한 정전 척. - 정전 척의 포커스 링 배치면에 배치되는 포커스 링으로서,
상기 포커스 링 중 상기 정전 척에 배치되는 측의 면의 내주측 및 외주측에 형성된 한 쌍의 환형 홈
을 구비하고,
상기 한 쌍의 환형 홈은, 상기 포커스 링 배치면에 형성된 가스 저장용의 요철 영역의 내주측과 외주측을 둘러싸는 것이 가능한 위치에 형성되어 있는 것인 포커스 링.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762581900P | 2017-11-06 | 2017-11-06 | |
| US62/581,900 | 2017-11-06 | ||
| PCT/JP2018/040590 WO2019088204A1 (ja) | 2017-11-06 | 2018-10-31 | 静電チャックアセンブリ、静電チャック及びフォーカスリング |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200052973A true KR20200052973A (ko) | 2020-05-15 |
| KR102387008B1 KR102387008B1 (ko) | 2022-04-18 |
Family
ID=66333588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020207012239A Active KR102387008B1 (ko) | 2017-11-06 | 2018-10-31 | 정전 척 어셈블리, 정전 척 및 포커스 링 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11610798B2 (ko) |
| JP (1) | JP6894000B2 (ko) |
| KR (1) | KR102387008B1 (ko) |
| CN (1) | CN111226309B (ko) |
| TW (1) | TWI761621B (ko) |
| WO (1) | WO2019088204A1 (ko) |
Cited By (4)
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|---|---|---|---|---|
| KR20230026252A (ko) * | 2021-08-17 | 2023-02-24 | 엔지케이 인슐레이터 엘티디 | 웨이퍼 배치대 |
| KR20230141443A (ko) * | 2022-03-31 | 2023-10-10 | 엔지케이 인슐레이터 엘티디 | 웨이퍼 배치대 |
| KR20240174523A (ko) * | 2023-06-07 | 2024-12-17 | 엔지케이 인슐레이터 엘티디 | 웨이퍼 적재대 |
| US12548741B2 (en) | 2022-07-21 | 2026-02-10 | Solmics Co., Ltd. | Focus ring and plasma etching device including same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111226309A (zh) | 2020-06-02 |
| CN111226309B (zh) | 2023-09-19 |
| TWI761621B (zh) | 2022-04-21 |
| US11610798B2 (en) | 2023-03-21 |
| US20200251371A1 (en) | 2020-08-06 |
| JP6894000B2 (ja) | 2021-06-23 |
| WO2019088204A1 (ja) | 2019-05-09 |
| TW201933530A (zh) | 2019-08-16 |
| JPWO2019088204A1 (ja) | 2020-11-19 |
| KR102387008B1 (ko) | 2022-04-18 |
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