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    • 91. 发明授权
    • 다결정 실리콘 연마용 CMP 슬러리 조성물 및 이의 제조방법
    • 다결정실리콘연마용CMP슬러리조성물및이의제조방
    • KR100643628B1
    • 2006-11-10
    • KR1020050105280
    • 2005-11-04
    • 제일모직주식회사삼성전자주식회사
    • 정재훈이인경최원영이태영양지철
    • C09K3/14
    • Provided are a CMP slurry composition for polishing polycrystalline silicon which is improved in polishing uniformity and selectivity by reducing the surface defect of a wafer, and its preparation method. The CMP slurry composition comprises a metal oxide; a quaternary ammonium base compound; and 0.001-1 wt% of a fluorine-based surfactant represented by CF3(CF2)nSO2X, wherein n is 1-20; X is COOR, RO, (OCH2CH2)n' or (OCH2CH(OH)CH2)n'; R is a C1-C20 alkyl group; and n' is 1-100. Preferably the metal oxide is at least one selected from the group consisting of SiO2, Al2O3, CeO2, ZrO2 and TiO2 and has a primary particle size of 10-200 nm and a specific surface area of 10-300 m^2/g; and the quaternary ammonium base compound is at least one selected from the group consisting of tetramethylammonium hydroxide, tetraethylammonium hydroxide, tetrapropylammonium hydroxide and tetrabutylammonium hydroxide.
    • 本发明提供一种用于抛光多晶硅的CMP浆料组合物,其通过减少晶片的表面缺陷而提高抛光均匀性和选择性,及其制备方法。 CMP浆料组合物包含金属氧化物; 季铵碱化合物; 和0.001-1重量%的由CF 3(CF 2)n SO 2 X表示的氟基表面活性剂,其中n为1-20; X是COOR,RO,(OCH 2 CH 2)n'或(OCH 2 CH(OH)CH 2)n'; R是C1-C20烷基; 和n'是1-100。 优选金属氧化物为选自SiO 2,Al 2 O 3,CeO 2,ZrO 2和TiO 2中的至少一种,其一次粒径为10-200nm,比表面积为10-300平方公尺/ g; 并且季铵碱化合物是选自氢氧化四甲基铵,氢氧化四乙基铵,氢氧化四丙基铵和氢氧化四丁基铵中的至少一种。
    • 99. 发明公开
    • 분산안정성을 개선한 금속배선 연마용 CMP 슬러리
    • 具有改进的抛光稳定性的CMP浆料用于抛光金属接线
    • KR1020050018361A
    • 2005-02-23
    • KR1020030055759
    • 2003-08-12
    • 제일모직주식회사
    • 김원래이재석강동헌라정인이인경이길성
    • C09K3/14
    • C09G1/02C09K3/1463H01L21/3212
    • PURPOSE: Provided is CMP slurry having uniform polishing performance and dispersion stability useful for enhancing polishing speed and flatness of surface of metallic wirings in CMP process. CONSTITUTION: The composition comprises 0.1-25 wt.% of metal oxide fine powder, 0.1-10 wt.% of peroxides, 0.001-0.1 wt.% of inorganic acid, 0.01-10 wt.% of carboxylic acid, 0.001-0.5 wt.% of metal complex, 0.001-0.1 wt.% of tetramethylammonium hydroxide(TMAH) as pH controller and the balance of deionized water. TMAH preferably improves slurry stability, thereby ensuring polishing reproduction and reduction of scratch. The carboxylic compound increase polishing velocity and optimize use of peroxides and organic oxidant to prevent corrosion or seam during CMP process.
    • 目的:提供具有均匀抛光性能和分散稳定性的CMP浆料,其用于提高CMP工艺中金属配线表面的抛光速度和平坦度。 组成:组合物包含0.1-25重量%的金属氧化物细粉,0.1-10重量%的过氧化物,0.001-0.1重量%的无机酸,0.01-10重量%的羧酸,0.001-0.5重量% %的金属络合物,0.001-0.1重量%的四甲基氢氧化铵(TMAH)作为pH控制器,余量为去离子水。 TMAH优选提高浆料稳定性,从而确保抛光再生和减少划痕。 羧化合物增加抛光速度,并优化使用过氧化物和有机氧化剂,以防止CMP过程中的腐蚀或接缝。
    • 100. 发明公开
    • 실리콘 웨이퍼의 최종 연마용 슬러리 조성물
    • 用于硅波最终抛光的浆料组合物
    • KR1020040057045A
    • 2004-07-02
    • KR1020020079245
    • 2002-12-12
    • 제일모직주식회사
    • 박태원노현수이길성이인경
    • C09K3/14
    • C09G1/02C09K3/1463H01L21/3212
    • PURPOSE: A slurry composition for the final polishing of a silicon wafer is provided, to improve the dispersion stability of a polymer cellulose used as a thickener and a polishing particle, and polishing quality by reducing the generation of surface defect. CONSTITUTION: The slurry composition comprises 0.25-20 wt% of silica; 0.1-5.0 wt% of a pH controller; 0.05-1 wt% of an organic base; 0.02-2 wt% of a thickener; 0.03-0.5 wt% of a nonionic surfactant represented by RN(R'O)m(R'O)nH (wherein R is an alkyl group of C5-C20, R' and R' are ethylene, and m+n is 5-100) and/or a nonionic surfactant represented by R(R'O)nR' (wherein R is an alkyl group of C5-C15, R' is ethylene, R' is a methyl, ethyl, propyl, isopropyl, butyl or t-butyl group, and n is 5-30); and the balance of deionized water. Preferably the silica is a colloidal silica or fumed silica having a primary particle size of 30-50 nm, a secondary particle size of 60-80 nm and an average diameter of 35-80 nm; the pH controller is ammonia; the final pH of the slurry is 10.5-12.0; and the thickener is a cellulose having a molecular weight of 100,000-1,500,000.
    • 目的:提供用于硅晶片的最终抛光的浆料组合物,以提高用作增稠剂和抛光颗粒的聚合物纤维素的分散稳定性,并且通过减少表面缺陷的产生来提高抛光质量。 构成:浆料组合物包含0.25-20重量%的二氧化硅; 0.1-5.0重量%的pH控制剂; 0.05-1重量%的有机碱; 0.02-2重量%的增稠剂; 0.03〜0.5重量%的由RN(R'O)m(R'O)nH表示的非离子表面活性剂(其中R为C5-C20烷基,R'和R'为乙烯,m + n为5 -100)和/或由R(R'O)nR'表示的非离子表面活性剂(其中R是C 5 -C 15的烷基,R'是乙烯,R'是甲基,乙基,丙基,异丙基,丁基或 叔丁基,n为5-30); 和去离子水的平衡。 优选地,二氧化硅是一次粒径为30-50nm,二次粒径为60-80nm,平均直径为35-80nm的胶体二氧化硅或热解二氧化硅; pH控制器是氨; 浆料的最终pH为10.5-12.0; 并且增稠剂是分子量为100,000-1,500,000的纤维素。