Just a quick question... When specifying 'plugged' vias using LPI soldermask... what is the actual process used to accomplish this procedure? How do you make sure the vias are plugged and what is the proper acceptance criteria used to verify and inspect the finished results? What is an acceptable plugged via vs. a reject? Is there a spec or standard that spells this out process and inspection criteria and method for reference? Thanks in advance... Bill --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------