16 mil over the drill size - 10 mil drill 26 mil anti-pad Gerry Meier, Sr. PCB Designer Freedom CAD Services. Inc Voice: (256)776-7470 or (603) 864-1350 Email:gerry.meier@xxxxxxxxxxxxxx visit us at http://www.freedomcad.com ________________________________ From: icu-pcb-forum-bounce@xxxxxxxxxxxxx [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Macindoe, Gary Sent: Friday, December 14, 2007 12:28 PM To: icu-pcb-forum@xxxxxxxxxxxxx Subject: [PCB_FORUM] Anti-pads Hey guys, We haven't thrown around anti-pads for a while! What is the smallest anti-pad for an inner plane that you have successfully used? Has anyone used down to 5 mils a side anti-pad to pad? Thanks, Gary Gary E. MacIndoe PCB Design Engineer Fort Collins, Colorado amd.com gary.macindoe@xxxxxxx