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经营范围
发明名称
Novolak resin precursor, novolak resin and positive photoresist composition containing the novolak resin
摘要
申请公布号
EP0902326(A3)
申请公布日期
1999.09.29
申请号
EP19980113799
申请日期
1998.07.23
申请人
TOKYO OHKA KOGYO CO., LTD.
发明人
MIYAGI, KEN;DOI, KOUSUKE;TAKAHASHI, RYUUSAKU;KOHARA, HIDEKATSU;NAKAYAMA, TOSHIMASA
分类号
G03F7/022;C08G8/00;C08G8/10;C08L61/06;G03F7/023;H01L21/027;(IPC1-7):G03F7/023
主分类号
G03F7/022
代理机构
代理人
主权项
地址
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