KR101760529B1 - 화학 기계적 평탄화(CMP)를 위한 CeO2 나노입자 코팅된 라스베리형 금속 산화물 나노구조체 - Google Patents
화학 기계적 평탄화(CMP)를 위한 CeO2 나노입자 코팅된 라스베리형 금속 산화물 나노구조체 Download PDFInfo
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Abstract
Description
폴리싱율 | |||
실시예 | SiO2 [중량%] | CeO2 [중량%] | 폴리싱율[옴스트롬/분] |
5 | 78 | 22 | 1663 |
6 | 78 | 22 | 3518 |
7 | 78 | 22 | 4439 |
실시예 8 내지 19의 폴리싱제의 재료 조성 및 폴리싱 결과 | |||||||
실시예 번호 |
뱃치 번호 |
첨가제 | 첨가제 농도 [중량%] |
pH | MRRa) SiO2 |
MRRa ) Si3N4 |
선택도 SiO2/Si3N4 |
8 | 1 | - | - | 4 | 6118 | 987 | 6.2 |
9 | 1 | 글루탐산 | 4 | 2522 | 48 | 52.5 | |
10 | 2 | - | - | 5 | 5566 | 553 | 10 |
11 | 2 | 만니톨 | 5 | 6565 | 574 | 11.4 | |
12 | 2 | 만니톨 | 5 | 4593 | 123 | 37.3 | |
13 | 3 | - | - | 4 | 2633 | 490 | 5.4 |
14 | 3 | 시클로프로판카르복실산 | 4 | 3124 | 56 | 55.8 | |
15 | 4 | - | - | 4 | 3270 | 736 | 4.4 |
16 | 4 | 피콜린산 | 4 | 1749 | 34 | 51.4 | |
17 | 5 | 피콜린산 | 4 | 2104 | 61 | 34.5 | |
18 | 6 | 솔비톨 | 4 | 3909 | 199 | 19.6 | |
19 | 7 | 글루탐산 | 4 | 2732 | 47 | 68.1 | |
a) 재료 제거율[옴스트롬/분] |
Claims (22)
- 크기가 20∼100 nm인 SiO2 코어를 포함하고, 상기 코어는 10 nm 미만의 입자 크기를 갖는 CeO2 입자로 코팅된 것인 라스베리형 코팅 입자로서,
상기 라스베리형 코팅입자는 코어 및 코팅을 포함하는 입자이고, 상기 코팅은 평탄한 층이나 쉘 대신 구별가능한 점(dot) 또는 구체로서 코어 상에 침착되고,
상기 라스베리형 코팅입자는 라스베리형 코팅 입자의 총 중량을 기준으로 70∼90 중량%의 코어 및 10∼30 중량%의 CeO2 입자를 함유하고,
상기 라스베리형 코팅 입자는 하기 단계를 포함하는 방법에 의해 얻을 수 있거나 또는 제조되는 것인 라스베리형 코팅 입자:
i) a) 입자 크기가 20∼100 nm인 SiO2 코어 입자,
b) Ce(III) 나이트레이트, 및
c) 물
을 함유하는 혼합물을 제공하는 단계,
ii) 10∼90℃의 온도에서 1 이상의 유기 또는 무기 염기를 i) 단계의 혼합물에 첨가하는 단계로서, 상기 염기는 혼합물의 pH-값이 8 초과가 되도록 첨가되는 것인 단계, 및
iii) 10∼90℃의 온도에서 혼합물을 숙성시키는 단계. - 제1항에 있어서, 코어 크기는 50∼100 nm인 라스베리형 코팅 입자.
- 제2항에 있어서, 코어 크기는 50∼80 nm인 라스베리형 코팅 입자.
- 삭제
- 삭제
- 제1항 내지 제3항 중 어느 한 항에 있어서, 코어는 구체 또는 거의 구체인 라스베리형 코팅 입자.
- 삭제
- (A) 제1항에 따른 1종 이상의 라스베리형 코팅 입자,
(B) (b1) 카르복실산 기, 카르복실레이트 기, 설폰산 기 또는 설포네이트 기로 이루어진 군에서 선택된 1 이상의 작용기를 갖는 화합물;
(b2) 수성 매질에서 해리될 수 없는 히드록실 기를 갖는 폴리올; 및
(b3) pKa가 4∼9인 1 이상의 작용기를 가지며, 아릴아민, 아미노알콜, 지방족 아민, 복소환 아민, 히드록삼산, 환형 모노카르복실산, 불포화된 모노카르복실산, 치환된 페놀, 설폰아미드, 티올 및 이의 염으로 이루어진 군에서 선택되는 화합물
로 이루어진 군에서 선택된 1 이상의 폴리싱 첨가제; 및
(C) 1 이상의 액체 담체
를 함유하는 수성 현탁액. - i) a) 입자 크기가 20∼100 nm인 SiO2 코어 입자,
b) Ce(III) 나이트레이트, 및
c) 물
을 함유하는 혼합물을 제공하는 단계,
ii) 10∼90℃의 온도에서 1 이상의 유기 또는 무기 염기를 i) 단계의 혼합물에 첨가하는 단계로서, 상기 염기는 혼합물의 pH 값이 8 초과가 되도록 첨가되는 것인 단계, 및
iii) 10∼90℃의 온도에서 혼합물을 숙성시키는 단계
를 포함하는 제1항에 따른 라스베리형 코팅 입자의 제조 방법. - 제9항에 있어서, ii) 단계 및 iii) 단계는 18∼25℃의 온도에서 수행되는 것인 제조 방법.
- 제9항 또는 제10항에 있어서,
iv) 입자를 혼합물로부터 분리시키는 단계, 및
v) 입자를 180∼220℃의 온도에서 처리하는 단계
를 추가로 포함하는 것인 제조 방법. - 제11항에 있어서, v) 단계는 200℃에서 수행되는 것인 제조 방법.
- 삭제
- 제9항 또는 제10항에 있어서, i) 단계의 혼합물 중 b) Ce(III) 나이트레이트의 농도는 i) 단계의 혼합물의 총 중량을 기준으로 0.5∼6 중량%인 제조 방법.
- 제9항 또는 제10항에 있어서, i) 단계의 혼합물 중 a) 코어 입자의 농도는 i) 단계의 혼합물의 총 중량을 기준으로 1∼20 중량%인 제조 방법.
- 제9항 또는 제10항에 있어서, ii) 단계에서 첨가되는 염기는 트리에틸아민인 제조 방법.
- 제9항 또는 제10항에 있어서, ii) 및 iii) 단계는 대기압 및 공기 하에서 수행되는 것인 제조 방법.
- 삭제
- 삭제
- 제9항 또는 제10항에 있어서, 라스베리형 입자는 구체 또는 거의 구체인 제조 방법.
- 삭제
- 제1항 내지 제3항 중 어느 한 항에 따른 라스베리형 코팅 입자, 제9항 또는 제10항에 따른 방법으로 제조된 라스베리형 코팅 입자, 또는 제8항에 따른 수성 현탁액을 사용하는 표면 폴리싱 방법.
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Application Number | Priority Date | Filing Date | Title |
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EP09162098 | 2009-06-05 | ||
EP09162098.9 | 2009-06-05 | ||
PCT/EP2010/057336 WO2010139603A1 (en) | 2009-06-05 | 2010-05-27 | RASPBERRY-TYPE METAL OXIDE NANOSTRUCTURES COATED WITH CeO2 NANOPARTICLES FOR CHEMICAL MECHANICAL PLANARIZATION (CMP) |
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KR101760529B1 true KR101760529B1 (ko) | 2017-07-21 |
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KR (1) | KR101760529B1 (ko) |
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KR20200002707A (ko) * | 2018-06-29 | 2020-01-08 | 버슘머트리얼즈 유에스, 엘엘씨 | 산화물 트렌치 디싱이 낮은 화학적 기계적 연마 |
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EP2424910B1 (en) * | 2009-04-27 | 2014-07-16 | Basf Se | Organic-inorganic composite particles |
WO2011058503A1 (en) | 2009-11-13 | 2011-05-19 | Basf Se | A chemical mechanical polishing (cmp) composition comprising inorganic particles and polymer particles |
EP2507332A4 (en) | 2009-11-30 | 2017-08-02 | Basf Se | Process for removing bulk material layer from substrate and chemical mechanical polishing agent suitable for this process |
WO2011064734A1 (en) | 2009-11-30 | 2011-06-03 | Basf Se | Process for removing a bulk material layer from a substrate and a chemical mechanical polishing agent suitable for this process |
EP2539412A4 (en) | 2010-02-24 | 2013-07-31 | Basf Se | AQUEOUS CLEANSING AGENT, AND PFROPOPOPOLYMERS AND THEIR USE IN A METHOD OF CLEANING PATENTED AND UNSTRUCTURED METAL SURFACES |
KR20140005963A (ko) * | 2011-01-25 | 2014-01-15 | 히타치가세이가부시끼가이샤 | Cmp 연마액 및 그의 제조 방법, 복합 입자의 제조 방법, 및 기체의 연마 방법 |
WO2013035545A1 (ja) * | 2011-09-09 | 2013-03-14 | 旭硝子株式会社 | 研磨砥粒およびその製造方法、研磨スラリー並びにガラス製品の製造方法 |
WO2013042596A1 (ja) * | 2011-09-20 | 2013-03-28 | 堺化学工業株式会社 | ガラス研磨用複合粒子 |
JP6191608B2 (ja) | 2012-09-05 | 2017-09-06 | コニカミノルタ株式会社 | 研磨材粒子の製造方法 |
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Also Published As
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WO2010139603A1 (en) | 2010-12-09 |
TWI481699B (zh) | 2015-04-21 |
TW201043686A (en) | 2010-12-16 |
KR20120025585A (ko) | 2012-03-15 |
US20160280963A1 (en) | 2016-09-29 |
US20120077419A1 (en) | 2012-03-29 |
EP2438133B1 (en) | 2018-07-11 |
EP2438133A1 (en) | 2012-04-11 |
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