Also the fill material may be the resin from lamination, I which case the via could not be cap plated internally. Jim -----Original Message----- From: IPC-600-6012 [mailto:[log in to unmask]] On Behalf Of Jose A Rios Sent: Wednesday, February 09, 2011 4:57 PM To: [log in to unmask] Subject: Re: [IPC-600-6012] buried cap thickness unless the design specifically calls out buried caps, we tend to not cap plate internals. a generic note like what you cite below "fill, planarize, cap" we tend to only apply it to externals. Joey Rios PWB & Process Quality Eng'r Endicott Interconnect Technologies 1093 Clark St. Endicott, NY 13760 Office: 607-755-5896 Chris Mahanna <[log in to unmask]> Sent by: IPC-600-6012 <[log in to unmask]> 02/09/2011 04:38 PM Please respond to "(Combined Forum of D-33a and 7-31a Subcommittees)" <[log in to unmask]> To [log in to unmask] cc Subject [IPC-600-6012] buried cap thickness I assume that we purposely did not include a caveat for buried cap thickness in 6012C? My particular interest is the case where the design predates 6012C and gives no more specifics than: "fill, planarize and cap" Thanks Chris Chris Mahanna President, Technical Manager Robisan Laboratory Inc. 6502 E. 21st Street Indianapolis, Indiana 46219 317-353-6249 ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ NOTICE: This email message is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy all copies of the original message. ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________