Shawn, You may want to consider simply making the vias a larger diameter, rather than increasing the plating. If there's room for the larger vias, I think this would be an easier option. Regards, Jason Roetz, CID+ Master Designer Eaton Corporation Electrical Group, Industrial Controls Division 4201 North 27th Street Milwaukee, WI. 53216 Telephone: 414-449-6397 Fax: 414-449-7319 [log in to unmask] www.eaton.com -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Upton, Shawn Sent: Thursday, July 30, 2009 9:06 AM To: [log in to unmask] Subject: [TN] Via plating question Quick question: I usually have via's plated to a minimum of 1mil. I have a high current design where I'd like to have those via's plated to 2mil (near 2oz, to match the 2oz spec for the layers) -- but the board has some 15mil vias and is a 125mil thick board. Would a typical board house be ok with this? I don't care about getting those 15mil mil diameter via's to 2mil barrel plating, only the 32mil ones need to be that thick. Shawn Upton, KB1CKT Test Engineer Allegro MicroSystems, Inc [log in to unmask] 603.626.2429/fax: 603.641.5336 --------------------------------------------------- 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 ----------------------------------------------------- --------------------------------------------------- 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 -----------------------------------------------------