DG: It will lead to a interesting conclusion that couple through Si substrate will dominate over C12. Mmm... It looks that to reduce the Capacitive couple, lowering the conductivity will be much more useful than seperating them away, right ? I will do more experiments to verify. Thanks! BH --------------------------------- Do You Yahoo!? "ÃÀÅ®ÃǵÄÃØÃÜÎäÆ÷£¡" ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu