'Dycostrate' is the process of plasma ablating the microvias for BUM boards. Laser ablation is just that - laser ablation. It has no process patent and does not require any type of licensing to perform. Kevin Thomas AlliedSignal Laminate Systems ---------- >>>From: [log in to unmask] >>>To: Thomas, Kevin; [log in to unmask]; [log in to unmask] >>>Subject: RE: Built-up Up Multilayer >>>Date: Friday, February 07, 1997 11:48AM >>> >>> >>>At 8:33 AM 2/7/97, Thomas, Kevin wrote: >>> Another BUM technology utilizes >>>>a thin, glass free resin coated copper with vias either laser or plasma >>>>ablated. >>> >>>that would be Dycostrate (Merix does it) >>> >>> >>>*************************************************************************** >>>* TechNet mail list is provided as a service 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. * >>>*************************************************************************** >>>* If you are having a problem with the IPC TechNet forum please contact * >>>* Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * >>>*************************************************************************** >>> >>> *************************************************************************** * TechNet mail list is provided as a service 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. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * ***************************************************************************