Ken, I had a design that used a 1mm pitch BGA and I used a 18mil NSMD pad along with a via that had a 20mil pad/10mil hole +0/-10mil. Regards, Bob Walker Sandgate Technologies Inc. [log in to unmask] -----Original Message----- From: TechNet [mailto:[log in to unmask]]On Behalf Of Ken Patel Sent: Thursday, October 04, 2001 3:40 PM To: [log in to unmask] Subject: [TN] Looking for pad layout info for 40 mil BGA Designers / Assemblers, I have few urgent needs for 40 mil BGA. (1) what is the BGA pad size currently being used in layout? (2) what the hole/pad size being used? re, Ken Patel ---------------------------------------------------------------------------- ----- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d 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 delivery of Technet send the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------- ----- --------------------------------------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d 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 delivery of Technet send the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------