KR102394717B1 - Cmp 연마제 및 그 제조방법, 그리고 기판의 연마방법 - Google Patents
Cmp 연마제 및 그 제조방법, 그리고 기판의 연마방법 Download PDFInfo
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- KR102394717B1 KR102394717B1 KR1020177009454A KR20177009454A KR102394717B1 KR 102394717 B1 KR102394717 B1 KR 102394717B1 KR 1020177009454 A KR1020177009454 A KR 1020177009454A KR 20177009454 A KR20177009454 A KR 20177009454A KR 102394717 B1 KR102394717 B1 KR 102394717B1
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- South Korea
- Prior art keywords
- polishing
- film
- abrasive
- cmp
- cmp abrasive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Description
도 2는 본 발명의 연마방법에 있어서 사용할 수 있는 편면연마장치의 일례를 나타낸 개략도이다.
도 3은 도전막을 연마정지막으로 한 반도체소자의 단면도이다.
도 4는 본 발명의 CMP 연마제에 의해 절연막을 CMP 연마한 후의 반도체소자의 단면도이다.
Claims (14)
- 연마입자, 보호제, 및 물을 포함하는 CMP 연마제로서,
상기 보호제는, 극성기를 갖는 실세스퀴옥산폴리머이며,
상기 CMP 연마제는, 절연막연마용 CMP 연마제인 것을 특징으로 하는 CMP 연마제.
- 제1항에 있어서,
상기 연마입자가, 습식 세리아입자인 것을 특징으로 하는 CMP 연마제.
- 제1항에 있어서,
상기 실세스퀴옥산폴리머가, 극성기로서 설포기 및 카르복시기 중 어느 하나 또는 모두를 갖는 수용성 실세스퀴옥산폴리머인 것을 특징으로 하는 CMP 연마제.
- 제2항에 있어서,
상기 실세스퀴옥산폴리머가, 극성기로서 설포기 및 카르복시기 중 어느 하나 또는 모두를 갖는 수용성 실세스퀴옥산폴리머인 것을 특징으로 하는 CMP 연마제.
- 제1항에 있어서,
상기 실세스퀴옥산폴리머가, 상기 CMP 연마제 100질량부에 대하여 0.1질량부 이상 1질량부 이하로 배합된 것을 특징으로 하는 CMP 연마제.
- 제2항에 있어서,
상기 실세스퀴옥산폴리머가, 상기 CMP 연마제 100질량부에 대하여 0.1질량부 이상 1질량부 이하로 배합된 것을 특징으로 하는 CMP 연마제.
- 제3항에 있어서,
상기 실세스퀴옥산폴리머가, 상기 CMP 연마제 100질량부에 대하여 0.1질량부 이상 1질량부 이하로 배합된 것을 특징으로 하는 CMP 연마제.
- 제1항에 있어서,
상기 CMP 연마제의 pH가, 3 이상 7 이하인 것을 특징으로 하는 CMP 연마제.
- 제2항에 있어서,
상기 CMP 연마제의 pH가, 3 이상 7 이하인 것을 특징으로 하는 CMP 연마제.
- 제3항에 있어서,
상기 CMP 연마제의 pH가, 3 이상 7 이하인 것을 특징으로 하는 CMP 연마제.
- 정반 상에 붙여진, 기판을 연마하기 위한 연마패드 상에, 제1항 내지 제10항 중 어느 한 항에 기재된 CMP 연마제를 공급하면서, 상기 기판에 형성된 연마정지막 상의 절연막을 상기 연마패드에 맞대어 가압하면서, 상기 기판과 상기 정반을 상대적으로 움직임으로써 상기 절연막을 연마하는 것을 특징으로 하는 기판의 연마방법.
- 제11항에 있어서,
상기 연마정지막을 폴리실리콘막으로 하고, 상기 절연막을 산화규소막으로 하는 것을 특징으로 하는 기판의 연마방법.
- 제1항 내지 제10항 중 어느 한 항에 기재된 CMP 연마제의 제조방법으로서,
상기 보호제로서, 극성기 함유 유기트리알콕시실란모노머의 가수분해와 중축합반응에 의해 합성된 실세스퀴옥산폴리머를 첨가하는 공정을 포함하는 것을 특징으로 하는 CMP 연마제의 제조방법. - 삭제
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PCT/JP2015/004360 WO2016056165A1 (ja) | 2014-10-09 | 2015-08-28 | Cmp研磨剤及びその製造方法、並びに基板の研磨方法 |
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CN111087930A (zh) * | 2019-12-23 | 2020-05-01 | 长江存储科技有限责任公司 | 一种化学机械抛光研磨剂的制备方法及化学机械抛光方法 |
CN112680186A (zh) * | 2021-01-04 | 2021-04-20 | 上海晖研材料科技有限公司 | 一种表面改性的二氧化硅及含其的磨料组合物的制备方法 |
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KR20240096278A (ko) * | 2022-12-19 | 2024-06-26 | 한남대학교 산학협력단 | Cmp 슬러리의 연마입자 표면에 코팅된 아크릴 폴리머 분산제의 특성연구 |
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