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    • 15. 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)。