发明名称 Negative- acting aqueous photoresist composition
摘要 The invention relates to a novel negative, aqueous photoresist composition comprising a polyvinylacetal polymer, a water-soluble photoactive compound and a crosslinking agent. The water-soluble photoactive compound is preferably a sulfonium salt. The invention also relates to forming a negative image from the novel photoresist composition.
申请公布号 US2003077539(A1) 申请公布日期 2003.04.24
申请号 US20010966958 申请日期 2001.09.28
申请人 LU PING-HUNG;NEISSER MARK O.;DAMMEL RALPH R.;WU HENGPENG 发明人 LU PING-HUNG;NEISSER MARK O.;DAMMEL RALPH R.;WU HENGPENG
分类号 G03F7/039;G03F7/004;G03F7/038;G03F7/32;H01L21/027;(IPC1-7):G03F7/039;G03F7/30;G03F7/40 主分类号 G03F7/039
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