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    • 80. 发明授权
    • Resist top-coat composition and patterning process
    • 抗顶层涂层组合和图案化工艺
    • US09507262B2
    • 2016-11-29
    • US14622291
    • 2015-02-13
    • Shin-Etsu Chemical Co., Ltd.Samsung Electronics Co., Ltd.
    • Jun HatakeyamaHyun-Woo Kim
    • G03F7/09G03F7/20G03F7/11
    • G03F7/091G03F7/11G03F7/2041
    • There are provided a top coat composition and a patterning process using that composition, which reduce the effect of contaminants in the surrounding atmosphere on the resist film in absorbing OOB light and in reducing film loss of the resist pattern and bridging between patterns, and also enhances the sensitivity of the resist film and suppresses the emission of outgas from the resist film. The resist top coat composition of the present invention is formed on a photoresist film formed on a wafer, and is used in a patterning process performed by lithography in which, after exposure, developing is performed. The resist top coat composition contains a polymer as a base resin having a repeating unit p of styrene having a 1,1,1,3,3,3-hexafluoro-2-propanol group shown by the following general formula (1), a C6-C10 ether compound, and a C7-C12 hydrocarbon compound, and wherein m is 1 or 2, and p is in the range of 0
    • 提供了一种使用该组合物的面漆组合物和图案化工艺,其在吸收OOB光时降低了在抗蚀剂膜上的污染物在抗蚀剂膜上的影响并降低了抗蚀剂图案的膜损耗和图案之间的桥接,并且还增强了 抗蚀剂膜的灵敏度并抑制从抗蚀剂膜发出的气体。 本发明的抗蚀面漆组合物形成在形成在晶片上的光致抗蚀剂膜上,用于通过光刻进行的图案化处理,其中曝光后进行显影。 抗蚀剂面漆组合物含有作为基础树脂的聚合物,其具有由以下通式(1)表示的具有1,1,1,3,3,3-六氟-2-丙醇的苯乙烯的重复单元p,a C6-C10醚化合物和C7-C12烃化合物,其中m为1或2,p在0