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    • 5. 发明授权
    • Photoresist composition
    • 光刻胶组成
    • US08753796B2
    • 2014-06-17
    • US13443155
    • 2012-04-10
    • Koji IchikawaHiromu SakamotoYuichi Mukai
    • Koji IchikawaHiromu SakamotoYuichi Mukai
    • G03F7/039G03F7/38
    • G03F7/0046G03F7/0045G03F7/0397G03F7/2041
    • The present invention provides a photoresist composition comprising a salt represented by the formula (I): wherein R1 and R2 independently each represent a fluorine atom or a C1-C6 perfluoroalkyl group, X1 represents a C1-C17 divalent saturated hydrocarbon group, etc., s1 represents 1 or 2, and t1 represents 0 or 1, with proviso that sum of s1 and t1 is 1 or 2, R3 represents a C1-C12 saturated hydrocarbon group, etc., u1 represents an integer of 0 to 8, and (Z1)+ represents an organic cation,a salt represented by the formula (II-0): wherein R4 represents a C1-C24 hydrocarbon group etc., X2 represents a C1-C6 alkanediyl group etc., and (Z2)+ represents an organic cation, anda resin being insoluble or poorly soluble in an aqueous alkali solution but becoming soluble in an aqueous alkali solution by the action of an acid.
    • 本发明提供了包含式(I)表示的盐的光致抗蚀剂组合物:其中R1和R2各自独立地表示氟原子或C1-C6全氟烷基,X1表示C1-C17二价饱和烃基等, s1表示1或2,t1表示0或1,条件是s1和t1之和为1或2,R3表示C1-C12饱和烃基等,u1表示0〜8的整数,( Z1)+表示有机阳离子,式(II-0)表示的盐:其中,R4表示C1-C24烃基等,X2表示C1-C6烷二基等,(Z2)+表示 有机阳离子和在碱性水溶液中不溶或难溶的树脂,但通过酸的作用变得可溶于碱性水溶液。
    • 7. 发明授权
    • Abrasive composition for magnetic recording disc substrate
    • 磁记录盘基片磨料组合物
    • US5935278A
    • 1999-08-10
    • US890330
    • 1997-07-09
    • Ken IshitobiTakanori KidoHiromu Sakamoto
    • Ken IshitobiTakanori KidoHiromu Sakamoto
    • C09G1/02C09K3/14B24B1/00
    • C09K3/1463C09G1/02
    • An abrasive composition for polishing a substrate for a magnetic recording disc is described, which comprises finely divided zirconium oxide particles, an abrasion promoter, an optional water-soluble oxidizing agent, and water. This abrasive composition is used for polishing a substrate for a magnetic recording disc by a process wherein the substrate is polished with a pad while the abrasive composition is supplied between the substrate and the pad, and at least one of the pad and the substrate is rotated. The contents of the finely divided zirconium oxide particles, the abrasion promoter and the optional water-soluble oxidizing agent are 2-20 wt. %, 1-20 wt. % and up to 10 wt. %, respectively, based on the weight of the abrasive composition as used for polishing the substrate.
    • 描述了一种用于抛光用于磁记录盘的基底的研磨组合物,其包括细碎的氧化锆颗粒,磨损促进剂,任选的水溶性氧化剂和水。 这种研磨组合物用于通过其中衬底在衬底和衬垫之间被提供的衬底抛光的过程中用于抛光磁记录盘的衬底,并且衬垫和衬底中的至少一个旋转 。 细碎的氧化锆颗粒,磨耗助剂和任选的水溶性氧化剂的含量为2-20wt。 %,1-20重量% %和高达10wt。 %,分别基于用于研磨基材的磨料组合物的重量。