Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


TOKYO KOGYO CO., LTD.

TOKYO KOGYO CO., LTD. Patent applications
Patent application numberTitlePublished
20090092921POSITIVE RESIST COMPOSITION AND RESIST PATTERN FORMING METHOD - A positive resist composition includes a base material component (A) which exhibits increased alkali solubility under an action of an acid, and an acid generator component (B) which generates an acid upon exposure, wherein the base material component (A) contains a compound (A1) in which phenolic hydroxyl groups in a polyhydric phenol compound (a) containing two or more phenolic hydroxyl groups and having a molecular weight of 300 to 2,500 are protected with acid dissociable, dissolution inhibiting groups, and the compound (A1) exhibits a standard deviation (s04-09-2009