The market trend seems to lean towards laser ablated blind MicroVias due to the lowest cost and fastest process. I know that Hadco is among the leaders in this process. Contact Joe Gibson at [log in to unmask] for more info. Chris Taylor Senior Printed Circuit Designer LXE, Inc. 125 Technology Parkway Norcross, GA 30092 voice: (770) 447-4224 X3242 fax: (770) 447-6928 [log in to unmask] >---------- >From: JEREMY CHEN[SMTP:[log in to unmask]] >Sent: Thursday, April 30, 1998 10:43 AM >To: [log in to unmask] >Subject: [DC] Blind Via hole for Depth control > >Dear everybody: > Who can help me what is Depth control to hole depth accuracy for >blind via hole? >and how to control it ? What is blind via hole for HDI trend? Cap >lamination or depth control or laser via or Photovia ? How about market? > > Thank regards > > Jeremy H.C Chen April 30 1998 > >################################################################ >DesignerCouncil E-Mail Forum provided as a free service by IPC using LISTSERV >1.8c >################################################################ >To subscribe/unsubscribe, send a message to [log in to unmask] with following >text in the body: >To subscribe: SUBSCRIBE DesignerCouncil <your full name> >To unsubscribe: SIGNOFF DesignerCouncil >################################################################ >Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional >information. >For the technical support contact Dmitriy Sklyar at [log in to unmask] or >847-509-9700 ext.311 >################################################################ > > ################################################################ DesignerCouncil E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE DesignerCouncil <your full name> To unsubscribe: SIGNOFF DesignerCouncil ################################################################ Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ################################################################