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    • 6. 发明申请
    • Polymer Compound, Photoresist Composition Containing Such Polymer Compound, and Method for Forming Resist Pattern
    • 高分子化合物,含有这种高分子化合物的光致抗蚀剂组合物和形成抗蚀剂图案的方法
    • US20070224520A1
    • 2007-09-27
    • US11578189
    • 2005-04-05
    • Toshiyuki OgataSyogo MatsumaruHideo HadaMasaaki Yoshida
    • Toshiyuki OgataSyogo MatsumaruHideo HadaMasaaki Yoshida
    • C08F8/00C07C69/54G03F7/039C08F20/20
    • C08F220/28C07C69/54C07C2601/14C08F222/1006C08F232/08G03F7/0046G03F7/0392G03F7/0397
    • A polymer compound that, within a chemically amplified positive resist system, exhibits a significant change in alkali solubility from a state prior to exposure to that following exposure, as well as a photoresist composition that includes such a polymer compound and a method for forming a resist pattern, which are capable of forming fine patterns with a high level of resolution. The polymer compound includes, as an alkali-soluble group (i), a substituent group in which a group selected from amongst alcoholic hydroxyl groups, carboxyl groups, and phenolic hydroxyl groups is protected with an acid dissociable, dissolution inhibiting group (ii) represented by a general formula (1) shown below: [Formula 1] —CH2—O-AO—CH2—]n  (1) (wherein, A represents an organic group of 1 to 20 carbon atoms with a valency of at least n+1, and n represents an integer from 1 to 4).
    • 化学放大型正性抗蚀剂体系内的曝光后的状态下的碱溶解度显着变化的高分子化合物以及包含这种高分子化合物的光致抗蚀剂组合物和形成抗蚀剂的方法 图案,能够以高分辨率形成精细图案。 高分子化合物作为碱溶性基团(i)包括其中选自醇羟基,羧基和酚羟基的基团用酸解离的溶解抑制基团(ii)保护的取代基, 通过如下所示的通式(1):[式1] <?in-line-formula description =“In-line Formulas”end =“lead”?> - CH id =“PRIVATE-USE-CHARACTER-00001”he =“7.20mm”wi =“8.47mm”file =“US20070224520A1-20070927-Brketopenst.TIF”alt =“私人使用字符Brketopenst”img-content =“character”img -format =“tif”/> O-CH <2> (1)<?in-line-formula description =“In-line Formulas”end =“ 尾“→(其中,A表示1〜20个碳原子的有机基团,其化合价至少为n + 1,n表示1〜4的整数)。
    • 7. 发明授权
    • Polymer compound, photoresist composition including the polymer compound, and resist pattern formation method
    • 高分子化合物,包含高分子化合物的光致抗蚀剂组合物和抗蚀图案形成方法
    • US07807328B2
    • 2010-10-05
    • US10588866
    • 2005-01-20
    • Toshiyuki OgataSyogo MatsumaruHideo Hada
    • Toshiyuki OgataSyogo MatsumaruHideo Hada
    • G03F7/00G03F7/004
    • G03F7/0046C08G61/08G03F7/0392G03F7/0395G03F7/0397
    • The present invention provide a polymer compound whereby the alkali solubility greatly changes before and after exposure in a chemically amplified positive resist, and a photoresist composition including the polymer compound and a resist pattern formation method which can form a fine pattern with high resolution. The photoresist composition and the resist pattern formation method use the polymer compound including at least one substituent group selected from an alcoholic hydroxyl group, a phenolic hydroxyl group, or a carboxyl group as an alkali soluble group (i), wherein the substituent group is protected by an acid dissociable, dissolution inhibiting group (ii) represented by a general formula (1): —CH2—O—R  (1) (wherein R represents an organic group containing no more than 20 carbon atoms and at least one hydrophilic group).
    • 本发明提供了一种聚合物化合物,其中碱溶解度在化学放大的正性抗蚀剂中暴露之前和之后剧烈变化,以及包含高分子化合物的光致抗蚀剂组合物和能够以高分辨率形成精细图案的抗蚀剂图案形成方法。 光致抗蚀剂组合物和抗蚀图案形成方法使用包含至少一个选自醇羟基,酚羟基或羧基的取代基的聚合物化合物作为碱溶性基团(i),其中取代基被保护 由通式(1)表示的酸解离的溶解抑制基团(ⅱ):-CH 2 -O-R(1)(其中R表示含有不超过20个碳原子的有机基团和至少一个亲水基团) 。