Hello MEMS Fellows, I plan to use a positive tone PR and SU8 together to make microchannels. But I don't know which postive PRs do not react with SU8. Does anyone have some experience and suggestions? Thanks a lot! Hong Gang _________________________________________________________ Do You Yahoo!? 更多惊喜,同样精彩,NetVista A30 热卖 http://ad.cn.doubleclick.net/clk;5313999;7930402;p?http://www.ibm.com/cn/promoti on/pc/netvista_a30/index.shtml