Electronics Forum | Mon Sep 06 15:43:25 EDT 1999 | jerrdog
I have a zevatech 570 and 560 my boss want to place bga.s with these machines, Ive told him he needs to ugrade to newer machines. Zevatech say "no problem our machine are number 1". these machines dont even offer bga selections. These machines dont e
Electronics Forum | Tue Nov 14 11:38:44 EST 2000 | Jacqueline Coia
Hi there, Making a request here, Does anyone out there in Scotland know of any company that has a 'SRT' BGA rework machine??? ta Jack
Electronics Forum | Thu Nov 16 05:28:59 EST 2000 | Jacqueline
Heres my mail address; jacqueline_coia@solectron.co.uk
Electronics Forum | Tue Nov 14 13:34:28 EST 2000 | Leon
Jack Yes I have one. But I am not in Scotland. can I help you? Leon
Electronics Forum | Thu Nov 16 05:05:59 EST 2000 | andy
Jack , I am in Scotland and can help you with this . Please leave a mail address where we can talk offline . Andy .
Electronics Forum | Thu Dec 15 06:24:34 EST 2005 | tk380514
whats the pitch of the BGA�s and the stencil thickness?
Electronics Forum | Thu Dec 15 08:20:39 EST 2005 | jhernan9
The BGA pitch is 0.8 mm and stencil thickness is 0.005"
Electronics Forum | Wed Dec 14 23:32:19 EST 2005 | jhernan9
Hi, I'm having a lot of problems with BGA's shorts, we are using 0.005" stencil aperture 1 to 1 (0.014)", the paste is centre (I can not measured the height)was verified using electronic microscopie, the placement is centre (I'm using local fiducials
Electronics Forum | Thu Dec 15 09:05:44 EST 2005 | russ
These random shorts, are they most prevailent on the edges, corners, or truly all over the place. It almost sounds like package warp/delamination or something of that nature. Are you baking parts per MSL requirements?
Electronics Forum | Thu Dec 15 11:06:05 EST 2005 | Samir Nagaheenanajar
You might wanna try a small reduction in your stencil aperture. For example, for a 30-mil pad go 26-mil square aperture with 8 to 10-mil radius on your corners. Also, look at your designs. Is there enough resist between your pad and ball? Another
