I just found this in the Technet archives:

From: Lisa Williams <[log in to unmask]> Subject: FAB: Plugged, Filled
&/or Tented Vias </SCRIPTS/WA.EXE?A2=ind9806&L=TechNet&D=0&m=19159&P=44344>
Content-Type: text/plain
IPC is forming a task group that will develop the acceptability requirements
of plugged, filled and tented vias. This may involve round robin testing. If
you are interested in joining this task group, please contact Lisa Williams
at the IPC.
Lisa Williams IPC 2215 Sanders Road Northbrook, IL 60062 URL: www.ipc.org


Can someone give me an update of what has happened in this regard?
I'm very interested in this subject

Jack

##############################################################
TechNet Mail List 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 TECHNET <your full name>
To unsubscribe:   SIGNOFF TECHNET
##############################################################
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
information.
If you need assistance - contact Keach Sasamori at [log in to unmask] or
847-509-9700 ext.5315
##############################################################