KR102453292B1 - 산화세륨 복합분말의 분산 조성물 - Google Patents
산화세륨 복합분말의 분산 조성물 Download PDFInfo
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- 229910000420 cerium oxide Inorganic materials 0.000 title claims abstract description 181
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical group [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 title claims abstract description 181
- 239000000843 powder Substances 0.000 title claims abstract description 119
- 239000000203 mixture Substances 0.000 title claims abstract description 91
- 239000002245 particle Substances 0.000 claims abstract description 179
- 239000002131 composite material Substances 0.000 claims abstract description 111
- 239000006185 dispersion Substances 0.000 claims abstract description 85
- 238000002156 mixing Methods 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 7
- 238000004627 transmission electron microscopy Methods 0.000 claims description 7
- 238000002835 absorbance Methods 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 abstract description 38
- 239000000758 substrate Substances 0.000 abstract description 13
- 238000003860 storage Methods 0.000 abstract description 8
- 230000000052 comparative effect Effects 0.000 description 31
- 238000002360 preparation method Methods 0.000 description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000000034 method Methods 0.000 description 14
- 239000000126 substance Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 239000012153 distilled water Substances 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 239000002243 precursor Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 5
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 5
- UNJPQTDTZAKTFK-UHFFFAOYSA-K cerium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Ce+3] UNJPQTDTZAKTFK-UHFFFAOYSA-K 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- RAXXELZNTBOGNW-UHFFFAOYSA-N 1H-imidazole Chemical compound C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001027 hydrothermal synthesis Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000012695 Ce precursor Substances 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- XMPZTFVPEKAKFH-UHFFFAOYSA-P ceric ammonium nitrate Chemical compound [NH4+].[NH4+].[Ce+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O XMPZTFVPEKAKFH-UHFFFAOYSA-P 0.000 description 3
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000001238 wet grinding Methods 0.000 description 3
- 229910000667 (NH4)2Ce(NO3)6 Inorganic materials 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical group O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 2
- 230000002925 chemical effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 235000003704 aspartic acid Nutrition 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 description 1
- VGBWDOLBWVJTRZ-UHFFFAOYSA-K cerium(3+);triacetate Chemical compound [Ce+3].CC([O-])=O.CC([O-])=O.CC([O-])=O VGBWDOLBWVJTRZ-UHFFFAOYSA-K 0.000 description 1
- GHLITDDQOMIBFS-UHFFFAOYSA-H cerium(3+);tricarbonate Chemical compound [Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GHLITDDQOMIBFS-UHFFFAOYSA-H 0.000 description 1
- KHSBAWXKALEJFR-UHFFFAOYSA-H cerium(3+);tricarbonate;hydrate Chemical compound O.[Ce+3].[Ce+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O KHSBAWXKALEJFR-UHFFFAOYSA-H 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/224—Oxides or hydroxides of lanthanides
- C01F17/235—Cerium oxides or hydroxides
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Abstract
Description
도 2는 제조예 2에서 얻은 제2 산화세륨 입자의 격자간격을 나타낸 투과전자현미경(TEM) 분석 이미지이다.
도 3 은 X선 회절(XRD) 분석기를 이용하여, 실시예의 산화세륨 복합분말의 결정성을 분석한 이미지이다.
도 4는 실시예에서 얻은 산화세륨 복합분말의 밀도와 용액내에 포함된 산화세륨 복합분말의 밀도를 분석한 그래프이다.
도 5은 실시예 및 비교예에서 얻은 분산 조성물에 대한 연마속도를 평가한 그래프이다.
구분 | 제1 산화세륨 입자와 제2 산화세륨 입자의 혼합 비율 (wt./wt.) |
실시예 1 | 80 : 20 |
실시예 2 | 70 : 30 |
실시예 3 | 60 : 40 |
실시예 4 | 50 : 50 |
실시예 5 | 40 : 60 |
실시예 6 | 30 : 70 |
실시예 7 | 20 : 80 |
비교예 1 | 90 : 10 |
비교예 2 | 10 : 90 |
비교예 3a | 50 : 50 |
구분 | 사용된 복합분말 | 구분 | 사용된 복합분말 |
실시예 8 | 실시예 1에서 제조된 복합분말 | 실시예 13 | 실시예 6에서 제조된 복합분말 |
실시예 9 | 실시예 2에서 제조된 복합분말 | 실시예 14 | 실시예7에서 제조된 복합분말 |
실시예 10 | 실시예 3에서 제조된 복합분말 | 비교예 4 | 비교예 1에서 제조된 복합분말 |
실시예 11 | 실시예 4에서 제조된 복합분말 | 비교예 5 | 비교예 2에서 제조된 복합분말 |
실시예 12 | 실시예 5에서 제조된 복합분말 | 비교예 6 | 비교예 3에서 제조된 복합분말 |
단위: nm | Dv(50) | D50 | |
Zetasizer | Microtrac | Lumisizer | |
제조예 1 | 89.8 | 146.1 | 55.41 |
제조예 2 | 129.0 | 202.8 | 32.53 |
실시예 1 | 82.9 | 145.4 | 48.89 |
실시예 4 | 105.0 | 178.2 | 42.03 |
실시예 7 | 129.0 | 216.6 | 36.65 |
조건 1 | 조건 2 | |
실시예 8의 샘플 (혼합비= 80:20 wt./wt.) |
2.93 |
2.05 |
실시예 9의 샘플 (혼합비= 70:30 wt./wt.) |
2.88 |
1.85 |
실시예 10의 샘플 (혼합비= 60:40 wt./wt.) |
2.84 |
1.77 |
실시예 11의 샘플 (혼합비= 50:50 wt./wt.) |
2.81 |
1.69 |
실시예 12의 샘플 (혼합비= 40:60 wt./wt.) |
2.71 |
1.55 |
실시예 13의 샘플 (혼합비= 30:70 wt./wt.) |
2.62 |
1.41 |
실시예 14의 샘플 (혼합비= 20:80 wt./wt.) |
2.56 |
1.28 |
비교예 5의 샘플 | 4.59 | 3.42 |
제1 및 제2 산화세륨 입자의 혼합 비율 [wt./wt.] |
입도 변화율 | |
제조예 1 샘플 (제1 산화세륨 입자) |
100 : 0 | < 5 % |
실시예 8 | 80 : 20 | < 5 % |
실시예 11 | 50 : 50 | < 5 % |
실시예 14 | 20 : 80 | < 5 % |
제조예 2 샘플 (제2 산화세륨 입자) |
0 : 100 | < 5 % |
비교예 5 | 50 : 50 | >25 % |
Claims (8)
- 평균 입자 크기가 15 nm 이상인 제1 산화세륨 입자; 및
평균 입자 크기가 10 nm 이하인 제2 산화세륨 입자를 포함하는 분산 조성물로서 제1 산화세륨 입자 및 제2 산화세륨 입자의 혼합비율은 6:4 내지 4:6 (wt./wt.)인 CMP용 산화세륨 복합분말의 분산 조성물.
- 삭제
- 제1항에 있어서,
산화세륨 복합분말은 투과전자현미경(TEM) 분석 시, 단위면적(가로 550 nm 및 세로 550 nm)당 제1 산화세륨 입자 1개에 대하여 평균적으로 제2 산화세륨 입자 50 내지 19,000개를 포함하는 CMP용 산화세륨 복합분말의 분산 조성물.
- 제1항에 있어서,
산화세륨 복합분말의 평균 BET 비표면적은 50.00 ㎡/g 이상인 것을 특징으로 하는 CMP용 산화세륨 복합분말의 분산 조성물.
- 제1항에 있어서,
산화세륨 복합분말의 분산 입도(D50)는,
제타포텐셜측정기(Zetasizer) 분석 시 50 nm 내지 180 nm이거나;
레이저입도분석기(Microtrac) 분석 시 60 nm 내지 350 nm이거나;
루미사이저(Lumisizer) 분석 시 30 nm 내지 70 nm인 것을 특징으로 하는 CMP용 산화세륨 복합분말의 분산 조성물.
- 제1항에 있어서,
분산 조성물의 용액내에 포함된 산화세륨 복합분말의 평균 밀도는 1.0 g/mL 내지 2.95 g/mL 인 것을 특징으로 하는 CMP용 산화세륨 복합분말의 분산 조성물.
- 제1항에 있어서,
산화세륨 복합분말의 분산 조성물에서, 산화세륨 복합분말이 0.007 wt.%의 농도가 되도록 조정한 후 파장 450~600nm에서의 흡광도를 측정할 경우 0.02~0.19 % 이거나 파장 500 nm에서의 투과도가 70~90 % 인 것을 특징으로 하는 CMP용 산화세륨 복합분말의 분산 조성물.
- 제1항에 있어서,
40℃에서 30일 방치 후의 평균 입도 변화가 5% 이하인 것을 특징으로 하는 CMP용 산화세륨 복합분말의 분산 조성물.
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US17/636,797 US20230121006A1 (en) | 2020-07-07 | 2021-07-07 | Dispersion composition of cerium oxide composite powder |
CN202180005005.1A CN114667328B (zh) | 2020-07-07 | 2021-07-07 | 氧化铈复合粉末的分散组合物 |
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