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    • 60. 发明申请
    • METHOD OF FORMING PATTERNS
    • 形成图案的方法
    • US20090042147A1
    • 2009-02-12
    • US12137232
    • 2008-06-11
    • Hideaki Tsubaki
    • Hideaki Tsubaki
    • G03F7/20
    • G03F7/2041G03F7/0392G03F7/11G03F7/325
    • A method of forming patterns includes (a) coating a substrate with a resist composition for negative development to form a resist film, wherein the resist composition contains a resin capable of increasing the polarity by the action of the acid and becomes more soluble in a positive developer and less soluble in a negative developer upon irradiation with an actinic ray or radiation, (b) forming a protective film on the resist film with a protective film composition after forming the resist film and before exposing the resist film, (c) exposing the resist film via an immersion medium, and (d) performing development with a negative developer.
    • 一种形成图案的方法包括(a)用负显影用抗蚀剂组合物涂覆基材以形成抗蚀剂膜,其中抗蚀剂组合物含有能够通过酸的作用而增加极性的树脂,并变得更可溶于阳性 显影剂,并且在用光化射线或辐射照射时不太可溶于负显影剂,(b)在形成抗蚀剂膜之后和在曝光抗蚀剂膜之前,用保护膜组合物在抗蚀剂膜上形成保护膜,(c) 通过浸渍介质形成抗蚀膜,(d)用负极显影剂进行显影。