where Ar1, Ar2 and Ar3 are each independently an aromatic ring group that optionally has a substituent group."/>
公开/公告号US2007228356A1
专利类型
公开/公告日2007-10-04
原文格式PDF
申请/专利号US20070691832
申请日2007-03-27
分类号H01L29/06;H01L33/00;
国家 US
入库时间 2022-08-21 21:04:46