On Monday, July 08, 1996 2:45 PM, vanech wrote: > To Whom.. 08 Jul 96 > > I didn't see any comments to your question on the forum, so > either you were answered directly or you have recreived none.. hope it's > not none. Anyway, IMO, layer count is normally a much bigger cost driver > than vias..With multiple spindle heads (I hope that's correct terminology) > via quantity should be a relativly insignificant cost driver when compared > to layers. Maybe some supplier could go into more detail for you. Hope > this helps somewhat. If you don't get more information and want to talk, > feel free to contact me. Have a good day. > Bob Vanech > Just to add my 2 cents..... I believe Bob is right in regards to cost - layers are higher cost than vias. From a noise standpoint you may have more trouble with greater via counts - your planes start to look like "swiss cheese" and you might even isolate some areas of the plane if many vias are close together. You will just have to take all the factors into consideration and determine what's best for yours situation. thanks...ben The mail list is provided by IPC using SmartList v3.05 To unsubscribe from this list at any time, send a message to: [log in to unmask] with <subject: unsubscribe> and no text.