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    • 55. 发明授权
    • Method of trimming resist pattern
    • 修剪抗蚀剂图案的方法
    • US09581909B2
    • 2017-02-28
    • US14875458
    • 2015-10-05
    • TOKYO OHKA KOGYO CO., LTD.
    • Rikita TsunodaRyoji WatanabeYoichi Hori
    • G03F7/30G03F7/40G03F7/20G03F7/32H01L21/027
    • G03F7/40G03F7/0397G03F7/20G03F7/30G03F7/325G03F7/405H01L21/0273H01L21/0274
    • A method of trimming a resist pattern, including forming a positive resist film on a substrate, the positive resist film is exposed and the positive resist film is subjected to an alkali development to form a first resist pattern having an alkali-insoluble region on the surface thereof; applying a resist trimming composition including an acid to the substrate on which the first resist pattern is formed; a heating the first resist pattern coated with the resist trimming composition, and the solubility of the first resist pattern in a developing solution is changed under action of the acid included in the resist trimming composition; and developing the first resist pattern after heating with an organic solvent to remove the alkali-insoluble region of the first resist pattern, the resist trimming composition including the acid and a solvent which does not dissolve the first resist pattern.
    • 一种修整抗蚀剂图案的方法,包括在基板上形成正性抗蚀剂膜,暴露正性抗蚀剂膜,并将正性抗蚀剂膜进行碱显影以在表面上形成具有碱不溶性区域的第一抗蚀剂图案 的; 在其上形成有第一抗蚀剂图案的基板上涂布含有酸的抗蚀剂修饰组合物; 加热涂布有抗蚀剂修整组合物的第一抗蚀剂图案,并且第一抗蚀剂图案在显影液中的溶解度在抗蚀剂修剪组合物中包含的酸的作用下改变; 并且在用有机溶剂加热后显影第一抗蚀剂图案以除去第一抗蚀剂图案的碱不溶性区域,该抗蚀剂修整组合物包括不溶解第一抗蚀剂图案的酸和溶剂。
    • 56. 发明授权
    • Patterning process
    • 图案化过程
    • US09568821B2
    • 2017-02-14
    • US14622306
    • 2015-02-13
    • Shin-Etsu Chemical Co., Ltd.Samsung Electronics Co., Ltd.
    • Jun HatakeyamaHyun-Woo Kim
    • G03F7/20G03F7/004G03F7/095G03F7/32
    • G03F7/0046G03F7/095G03F7/2002G03F7/325
    • There is provided a patterning process that forms a negative pattern by developing using an organic solvent, using a resist top coat composition that not only reduces the effect from the environment on a resist film and effectively blocks OOB light, but also reduces the film loss of a resist pattern and the bridging between patterns, enhances the sensitivity of the resist film, and suppresses the emission of an outgas from the resist film. The patterning process includes the steps of forming a resist top coat on a photoresist film formed on a substrate, with the resist top coat using as a top base material a polymer having a repeating unit p of styrene having a 1,1,1,3,3,3-hexafluoro-2-propanol group, in which m is 1 or 2, and p is 0
    • 提供通过使用有机溶剂显影形成负图案的图案化工艺,使用抗蚀剂面漆组合物,其不仅降低了抗蚀剂膜上的环境的影响并且有效地阻挡OOB光,而且还降低了膜损失 抗蚀剂图案和图案之间的桥接,增强了抗蚀剂膜的灵敏度,并且抑制了从抗蚀剂膜发出的气体。 图案化工艺包括以下步骤:在形成在基底上的光致抗蚀剂膜上形成抗蚀剂外涂层,其中抗蚀剂外涂层使用作为顶部基材的具有苯乙烯重复单元p的聚合物,其具有1,1,1,3 3,3-六氟-2-丙醇基,其中m为1或2,p为0