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    • 3. 发明授权
    • Adjuvant for controlling polishing selectivity and chemical mechanical polishing slurry comprising the same
    • 用于控制抛光选择性的辅助剂和包含其的化学机械抛光浆料
    • US08163650B2
    • 2012-04-24
    • US11634238
    • 2006-12-06
    • Gi Ra YiJong Pil KimJung Hee LeeKwang Ik MoonChang Bum KoSoon Ho JangSeung Beom ChoYoung Jun Hong
    • Gi Ra YiJong Pil KimJung Hee LeeKwang Ik MoonChang Bum KoSoon Ho JangSeung Beom ChoYoung Jun Hong
    • H01L21/302
    • C09K3/1463C09G1/02H01L21/31053
    • Disclosed is an adjuvant for use in simultaneous polishing of a cationically charged material and an anionically charged material, which forms an adsorption layer on the cationically charged material in order to increase polishing selectivity of the anionically charged material, wherein the adjuvant comprises a polyelectrolyte salt containing: (a) a mixture of a linear polyelectrolyte having a weight average molecular weight of 2,000˜50,000 with a graft type polyelectrolyte that has a weight average molecular weight of 1,000˜20,000 and comprises a backbone and a side chain; and (b) a basic material. CMP (chemical mechanical polishing) slurry comprising the above adjuvant and abrasive particles is also disclosed. The adjuvant comprising a mixture of a linear polyelectrolyte with a graft type polyelectrolyte makes it possible to increase polishing selectivity as compared to CMP slurry using the linear polyelectrolyte alone, and to obtain a desired range of polishing selectivity by controlling the ratio of the linear polyelectrolyte to the graft type polyelectrolyte.
    • 公开了一种用于同时抛光阳离子电荷材料和阴离子充电材料的佐剂,其在阳离子电荷材料上形成吸附层,以增加阴离子带电材料的抛光选择性,其中助剂包含含有 :(a)重均分子量为2,000〜50,000的线性聚电解质与重均分子量为1,000〜20,000的接枝型聚电解质的混合物,其包含骨架和侧链; 和(b)基本材料。 还公开了包含上述助剂和磨料颗粒的CMP(化学机械抛光)浆料。 包含线性聚电解质与接枝型聚电解质的混合物的佐剂使得可以使用单独的线性聚电解质与CMP浆料相比提高抛光选择性,并且通过控制线性聚电解质与 接枝型聚电解质。
    • 5. 发明授权
    • Adjuvant for controlling polishing selectivity and chemical mechanical polishing slurry
    • 用于控制抛光选择性和化学机械抛光浆料的辅助剂
    • US08147711B2
    • 2012-04-03
    • US12086155
    • 2006-12-08
    • Jung Hee LeeJong Pil KimGi Ra YiKwang Ik MoonChang Bum KoSoon Ho JangSeung Beom ChoYoung Jun Hong
    • Jung Hee LeeJong Pil KimGi Ra YiKwang Ik MoonChang Bum KoSoon Ho JangSeung Beom ChoYoung Jun Hong
    • C09K13/00
    • C09G1/02C09K3/1409C09K3/1463H01L21/31053
    • Disclosed is an adjuvant for controlling polishing selectivity when polishing a cationically charged material simultaneously with an anionically charged material. CMP slurry comprising the adjuvant is also disclosed. The adjuvant comprises: (a) a polyelectrolyte that forms an adsorption layer on the cationically charged material in order to increase the polishing selectivity of the anionically charged material; (b) a basic material; and (c) a fluorine-based compound. when the adjuvant for controlling polishing selectivity of CMP slurry according to the present invention is applied to a CMP process, it is possible to increase the polishing selectivity of a silicon oxide layer, to obtain a uniform particle size of CMP slurry, to stabilize variations in viscosity under an external force and to minimize generation of microscratches during a polishing process. Therefore, the adjuvant for CMP slurry according to the present invention can improve reliability and productivity during the fabrication of very large scale integrated semiconductors.
    • 公开了用于在与阴离子充电材料同时研磨阳离子充电材料时控制抛光选择性的佐剂。 还公开了包含佐剂的CMP浆料。 助剂包括:(a)在阳离子充电材料上形成吸附层的聚电解质,以增加阴离子充电材料的抛光选择性; (b)基本材料; 和(c)氟系化合物。 当将用于控制根据本发明的CMP浆料的抛光选择性的佐剂应用于CMP工艺时,可以增加氧化硅层的抛光选择性,以获得CMP浆料的均匀粒度,以稳定化 在外力下的粘度并且在抛光过程中最小化微细纹的产生。 因此,根据本发明的用于CMP浆料的助剂可以在制造非常大规模的集成半导体期间提高可靠性和生产率。
    • 7. 发明授权
    • Adjuvant for CMP slurry
    • CMP浆料的辅料
    • US08062395B2
    • 2011-11-22
    • US11783742
    • 2007-04-11
    • Gi Ra YiJong Pil KimYoung Jun Hong
    • Gi Ra YiJong Pil KimYoung Jun Hong
    • B24D3/02C09C1/68C09K3/14
    • H01L21/31053C09G1/02C09K3/1463
    • Disclosed is an adjuvant in use for a process of polishing a cationically charged material and an anionically charged material at the same time with abrasive particles, which is absorbed onto the cationically charged material thereby to restrain the cationically charged material from being polished, resulting in raising a polishing selectivity of the anionically charged material, wherein the adjuvant comprises polymer particles having a core-shell structure with a nano-scale particle size smaller than that of the abrasive particles, surfaces of which are anionically charged. CMP (chemical mechanical polishing) slurry comprising the above adjuvant and abrasive particles is also disclosed.
    • 公开了一种用于对阳离子充电材料和阴离子充电材料同时研磨磨料颗粒的方法的辅助剂,其被吸收到阳离子充电材料上,从而限制阳离子充电材料的抛光,从而提高 阴离子充电材料的抛光选择性,其中所述助剂包含具有小于磨料颗粒的纳米级粒径的核 - 壳结构的聚合物颗粒,其表面是阴离子充电的。 还公开了包含上述助剂和磨料颗粒的CMP(化学机械抛光)浆料。
    • 8. 发明申请
    • Adjuvant for CMP slurry
    • CMP浆料的辅料
    • US20070243710A1
    • 2007-10-18
    • US11783742
    • 2007-04-11
    • Gi Ra YiJong Pil KimYoung Jun Hong
    • Gi Ra YiJong Pil KimYoung Jun Hong
    • H01L21/461C09K13/00
    • H01L21/31053C09G1/02C09K3/1463
    • Disclosed is an adjuvant in use for a process of polishing a cationically charged material and an anionically charged material at the same time with abrasive particles, which is absorbed onto the cationically charged material thereby to restrain the cationically charged material from being polished, resulting in raising a polishing selectivity of the anionically charged material, wherein the adjuvant comprises polymer particles having a core-shell structure with a nano-scale particle size smaller than that of the abrasive particles, surfaces of which are anionically charged. CMP (chemical mechanical polishing) slurry comprising the above adjuvant and abrasive particles is also disclosed.
    • 公开了一种用于对阳离子充电材料和阴离子充电材料同时研磨磨料颗粒的方法的辅助剂,其被吸收到阳离子充电材料上,从而限制阳离子充电材料的抛光,从而提高 阴离子充电材料的抛光选择性,其中所述助剂包含具有小于磨料颗粒的纳米级粒度的核 - 壳结构的聚合物颗粒,其表面是阴离子充电的。 还公开了包含上述助剂和磨料颗粒的CMP(化学机械抛光)浆料。