发明名称 NOVOLAC RESIN SOLUTION, POSITIVE TYPE PHOTORESIST COMPOSITION AND METHOD OF PREPARING THE SAME
摘要 <P>PROBLEM TO BE SOLVED: To provide a method of preparing a resist composition which has no variability of properties among lots in addition to storage stability of the resist composition after preparation. <P>SOLUTION: A novolac resin solution obtained by blending benzoquinone to a novolac resin solution obtained by dissolving a novolac resin in an organic solvent is disclosed. Besides, a positive type photoresist composition comprising the novolac resin solution and a photosensitive component, a positive type photoresist composition comprising the novolac resin solution, a photosensitive component and hydroquinone, and a method of preparing a positive type photoresist composition wherein a novolac resin solution and a photosensitive component are mixed are also provided. <P>COPYRIGHT: (C)2004,JPO
申请公布号 JP2004043777(A) 申请公布日期 2004.02.12
申请号 JP20030106669 申请日期 2003.04.10
申请人 TOKYO OHKA KOGYO CO LTD 发明人 ONISHI HIROYUKI;NAKAGAWA YUSUKE;DOI KOSUKE
分类号 G03F7/023;C08K5/08;C08K5/13;C08K5/28;C08L61/06 主分类号 G03F7/023
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