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    • 36. 发明授权
    • Pattern forming method and resist composition used therefor
    • 图案形成方法和用于其的抗蚀剂组合物
    • US07635553B2
    • 2009-12-22
    • US11528572
    • 2006-09-28
    • Shinji Tarutani
    • Shinji Tarutani
    • G03F7/00G03F7/004
    • G03F7/0397G03F7/0046G03F7/0048G03F7/0395G03F7/0758Y10S430/114Y10S430/136
    • A pattern forming method comprising: coating a resist composition on a substrate; adjusting a rotational speed of the substrate within a range of 500 to 1,500 rpm so that a film thickness of the resist composition coated is adjusted; and subjecting the resist composition to drying, exposure and development, wherein the resist composition includes: (A) a compound capable of generating an acid upon irradiation with one of actinic rays and radiation; (B) a resin of which dissolution rate in an alkali developer increases under the action of an acid; (C) a mixed solvent; and (D) a surfactant, and the mixed solvent (C) includes at least one member selected from a group A of solvents and at least one member selected from a group B of solvents, or includes at least one member selected from the group A of solvents and at least one member selected from a group C of solvents: Group A: propylene glycol monoalkyl ether carboxylates, Group B: propylene glycol monoalkyl ethers, alkyl lactates, acetic acid esters, one of chain and cyclic ketones, and alkoxyalkyl propionates, and Group C: γ-butyrolactone, ethylene carbonate and propylene carbonate.
    • 一种图案形成方法,包括:在基材上涂布抗蚀剂组合物; 在500〜1500rpm的范围内调整基板的旋转速度,调整涂布的抗蚀剂组合物的膜厚; 并且对抗蚀剂组合物进行干燥,曝光和显影,其中抗蚀剂组合物包括:(A)在用光化射线和辐射之一照射时能够产生酸的化合物; (B)在酸性作用下碱显影剂溶解速率增加的树脂; (C)混合溶剂; 和(D)表面活性剂,并且混合溶剂(C)包括选自溶剂组A和选自B组溶剂的至少一种的至少一种,或者包括选自A组 的溶剂和选自溶剂组C中的至少一种:A组:丙二醇单烷基醚羧酸酯,B组:丙二醇单烷基醚,乳酸烷基酯,乙酸酯,链和环酮之一和烷氧基烷基丙酸酯, 和C组:γ-丁内酯,碳酸亚乙酯和碳酸亚丙酯。