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公开(公告)号:US5371169A
公开(公告)日:1994-12-06
申请号:US953031
申请日:1992-09-28
申请人: Ping H. Lu , Anthony Canize , Dinesh N. Khanna , M. Dalil Rahman
发明人: Ping H. Lu , Anthony Canize , Dinesh N. Khanna , M. Dalil Rahman
IPC分类号: C08L61/04 , C08L61/06 , G03F7/023 , H01L21/027 , C08G14/04
CPC分类号: G03F7/0236 , C08L61/04
摘要: The present invention provides mixture of at least two novolak resins with a molecular weight distribution overlap of at least 50% and having dissolution rates which differ by a factor of at least 2.0. A method is also provided for producing such novolak resin mixtures.
摘要翻译: 本发明提供了至少两种酚醛清漆树脂的混合物,分子量分布重叠率至少为50%,溶解速率至少为2.0。 还提供了用于生产这种酚醛清漆树脂混合物的方法。