KR20190127731A - 복합 소결체, 정전 척 부재, 정전 척 장치 및 복합 소결체의 제조 방법 - Google Patents
복합 소결체, 정전 척 부재, 정전 척 장치 및 복합 소결체의 제조 방법 Download PDFInfo
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Abstract
Description
도 2는 슬러리 pH와 입자의 ζ전위와의 관계를 나타내는 그래프이다.
도 3은 본 실시형태의 복합 소결체의 제조 방법에 대하여 설명하는 설명도이다.
도 4는 본 실시형태의 복합 소결체의 제조 방법에 대하여 설명하는 설명도이다.
도 5는 본 실시형태의 복합 소결체의 제조 방법에 대하여 설명하는 설명도이다.
도 6은 본 실시형태의 복합 소결체의 제조 방법에 대하여 설명하는 설명도이다.
도 7은 본 실시형태의 복합 소결체의 제조 방법에 대하여 설명하는 설명도이다.
도 8은 본 실시형태의 복합 소결체의 제조 방법에 대하여 설명하는 설명도이다.
도 9는 실시예에서 체적 고유 저항값을 측정할 때의 소결체의 모습을 나타내는 모식도이다.
| 프리 산화 처리 온도 (℃) |
본 산화 처리 온도 (℃) |
SiC 첨가량 (질량%) |
|
| 실시예 1 | 500 | - | 7 |
| 실시예 2 | 500 | - | 5 |
| 실시예 3 | 500 | - | 5 |
| 비교예 1 | - | 370 | 8.5 |
| 비교예 2 | - | 370 | 4 |
| 비교예 3 | - | 500 | 12 |
| A12O3 입경 (μm) |
SiC 입경 (μm) |
A12O3 입자 내의 SiC 입내의 존재비(%) |
|
| 실시예 1 | 1.41 | 0.22 | 27 |
| 실시예 2 | 1.44 | 0.18 | 41 |
| 실시예 3 | 1.31 | 1.15 | 48 |
| 비교예 1 | 0.94 | 0.34 | 14 |
| 비교예 2 | 1.05 | 0.29 | 18 |
| 비교예 3 | 0.85 | 0.27 | 16 |
| 체적 고유 저항값 (Ω·cm) |
유전율 @1kHz |
유전 탄젠트 @1kHz |
|
| 실시예 1 | 5.0×1015 | 15.4 | 0.0018 |
| 실시예 2 | 8.0×1015 | 13.1 | 0.0011 |
| 실시예 3 | 5.7×1015 | 13.1 | 0.0004 |
| 비교예 1 | 4.0×1015 | 12.6 | 0.0071 |
| 비교예 2 | 6.0×1015 | 12.0 | 0.0052 |
| 비교예 3 | 1.5×1015 | 12.4 | 0.0042 |
2 정전 척부
3 온도 조정용 베이스부
3b 관통 구멍
4 접착층
5 히터 엘리먼트
6 접착층
7 절연판
8 접착제층
10 포커스 링
11 재치판(기체)
11a 재치면
11b 돌기부
12 지지판(기체)
13 정전 흡착용 전극
14 절연재층
15 급전용 단자
15a 유리
16 관통 구멍
17 급전용 단자
18 유리
19 홈
20 온도 센서
21 설치 구멍
22 온도 계측부
23 여기부
24 형광 검출기
25 제어부
28 가스 구멍
29 유리
100 소결체
110 주전극
120 가드 전극
130 상대 전극
A 산화 알루미늄 입자
B 탄화 규소 입자
3A 유로
W 판상 시료
Claims (10)
- 주상인 금속 산화물과, 부상인 탄화 규소를 포함하는 세라믹스의 복합 소결체이고,
상기 탄화 규소의 결정립은, 상기 금속 산화물의 결정립 내 및 상기 금속 산화물의 결정립계에 분산되어 있으며,
상기 금속 산화물의 결정립 내에 분산되어 있는 상기 탄화 규소의 결정립의 비율은, 상기 탄화 규소의 결정립 전체에 대하여 면적비로 25% 이상인 복합 소결체. - 제 1 항에 있어서,
상기 금속 산화물은, 산화 알루미늄 또는 산화 이트륨인 복합 소결체. - 제 1 항 또는 제 2 항에 있어서,
상기 금속 산화물의 평균 결정 입경은, 1.2μm 이상 10μm 이하인 복합 소결체. - 제 1 항 내지 제 3 항 중 어느 한 항에 기재된 복합 소결체를 형성 재료로 하고, 일 주면이 판상 시료를 재치하는 재치면인 판상의 기체와,
상기 기체의 상기 재치면과는 반대 측, 또는 상기 기체의 내부에 마련된 정전 흡착용 전극을 갖는 정전 척 부재. - 제 4 항에 기재된 정전 척 부재를 구비하는 정전 척 장치.
- 금속 산화물 입자와 탄화 규소 입자를 혼합하는 공정과,
상기 혼합하는 공정에서 얻어진 슬러리에 대하여, 상기 슬러리 중의 상기 금속 산화물 입자의 표면 전하가 정이 되고, 상기 슬러리 중의 상기 탄화 규소 입자의 표면 전하가 부가 되는 범위로, 상기 슬러리의 pH를 조정하는 공정과,
pH를 조정한 상기 슬러리로부터 분산매를 제거한 후, 성형하는 공정과,
얻어지는 성형체를, 비산화성 분위기하, 25MPa 이상의 압력으로 가압하여 고화시키면서 1600℃ 이상으로 가열하여 가압 소결하는 공정을 갖는 복합 소결체의 제조 방법. - 제 6 항에 있어서,
상기 금속 산화물 입자와 탄화 규소 입자를 혼합하는 공정이, 금속 산화물 입자와 탄화 규소 입자를, 각각 고속으로 분사하여 서로 충돌시키면서 혼합하는 공정인 복합 소결체의 제조 방법. - 제 6 항에 있어서,
상기 혼합하는 공정에 앞서, 상기 탄화 규소 입자의 표면을 산화 처리하는 공정을 갖는 복합 소결체의 제조 방법. - 제 6 항 내지 제 8 항 중 어느 한 항에 있어서,
상기 pH를 조정하는 공정은, 상기 슬러리의 pH를 3 이상 7 이하로 하는 복합 소결체의 제조 방법. - 제 6 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 금속 산화물 입자는, 금속 산화물의 함유량이 99.99% 이상인 복합 소결체의 제조 방법.
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| JPJP-P-2017-068710 | 2017-03-30 | ||
| PCT/JP2018/012039 WO2018181130A1 (ja) | 2017-03-30 | 2018-03-26 | 複合焼結体、静電チャック部材、静電チャック装置および複合焼結体の製造方法 |
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| KR20220136340A (ko) * | 2020-01-31 | 2022-10-07 | 스미토모 오사카 세멘토 가부시키가이샤 | 세라믹스 접합체, 정전 척 장치, 세라믹스 접합체의 제조 방법 |
| KR20220136341A (ko) * | 2020-01-31 | 2022-10-07 | 스미토모 오사카 세멘토 가부시키가이샤 | 세라믹스 접합체, 정전 척 장치, 세라믹스 접합체의 제조 방법 |
| KR20230148735A (ko) * | 2022-04-18 | 2023-10-25 | 구로사키 하리마 코포레이션 | 정전 척용 급전부 및 정전 척 |
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| JP7063326B2 (ja) | 2017-03-30 | 2022-05-09 | 住友大阪セメント株式会社 | 複合焼結体、静電チャック部材、静電チャック装置および複合焼結体の製造方法 |
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| JP6986361B2 (ja) * | 2017-04-05 | 2021-12-22 | 太陽誘電株式会社 | 積層セラミックコンデンサおよびその製造方法 |
| WO2019131115A1 (ja) * | 2017-12-28 | 2019-07-04 | 住友大阪セメント株式会社 | 静電チャック装置 |
| KR102790291B1 (ko) * | 2018-03-22 | 2025-04-04 | 스미토모 오사카 세멘토 가부시키가이샤 | 복합 소결체, 정전 척 부재, 정전 척 장치 및 복합 소결체의 제조 방법 |
| JP6960390B2 (ja) * | 2018-12-14 | 2021-11-05 | 東京エレクトロン株式会社 | 給電構造及びプラズマ処理装置 |
| WO2020235651A1 (ja) | 2019-05-22 | 2020-11-26 | 住友大阪セメント株式会社 | 複合焼結体、静電チャック部材、静電チャック装置および複合焼結体の製造方法 |
| KR102319079B1 (ko) * | 2019-12-27 | 2021-11-03 | 한국재료연구원 | SiC 복합체 및 이의 제조방법 |
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| JP7734110B2 (ja) * | 2022-03-31 | 2025-09-04 | 日本特殊陶業株式会社 | 保持装置 |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018181130A1 (ja) | 2018-10-04 |
| CN110461797A (zh) | 2019-11-15 |
| US20200027770A1 (en) | 2020-01-23 |
| JP7063326B2 (ja) | 2022-05-09 |
| KR102582566B1 (ko) | 2023-09-26 |
| JPWO2018181130A1 (ja) | 2020-02-06 |
| US12074050B2 (en) | 2024-08-27 |
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