Electronics Forum: george and ball (Page 2 of 25)

Wave flux and profiling

Electronics Forum | Tue Dec 19 10:08:10 EST 2006 | George

Grant, Why don't you try a water-base flux which is No-clean, VOC-free also? I have tried the 270WR flux from AIM with good results even on lead-free process. My $0.02, George

wave pallets and titanium

Electronics Forum | Mon Nov 12 07:58:55 EST 2007 | ksrsr

George, Who do you purchase your wave pallets from. Our vendors has not perfected this attachment yet and I need to get a source. Thanks, KSRSR

wave pallets and titanium

Electronics Forum | Thu Nov 15 12:11:40 EST 2007 | George

I use Pentagon EMS (503) 924-2747 with Chad Haima. Note: I do not get a penny for referals. I just like the service, super fast, high quality and excellent customer service. I have worked with them for about 4 years. Thanks, George

Pick and Place tutorials

Electronics Forum | Tue Sep 30 21:08:17 EDT 2003 | George

I just start training as operator of a Samsung CP-11E Pick-and-Place machine. I would like to know where to find info or tutorials about those machines or general info about "how smt pick-and-place machines work ". I have not found anything on the we

wave pallets and titanium

Electronics Forum | Tue Nov 13 18:39:19 EST 2007 | mefloump

I do not know who George uses, but we use Ascentec Engineering for our wave pallets. I have no association with them other than they make an excellent product that we continually go to, to get new fixtures from. They can be contacted at (503) 925-194

BGA assembly and inspection

Electronics Forum | Tue Apr 03 01:37:54 EDT 2001 | philipreyes

60% 36% 0f ball area >36% Class2 Accept Reject 45% of ball diameter >45% 20.25% of ball area >20.25% Class3 Accept

wave pallets and titanium

Electronics Forum | Wed Sep 12 17:09:11 EDT 2007 | allwave

HI John, I use wave fixtures with titanium inserts. So far I have not seen any problem with walls about 0.010" thickness and 0.120" tall (or deep depending how you see it)...The Titanium-composite interface is also very strong (as long as you have e

solder balls and flux

Electronics Forum | Tue Feb 29 10:14:02 EST 2000 | Robert Hartmann

My company is just getting into the flip chip packaging arena. We are putting in a prototype/small volume wire bond PBGA line. We have some questions with regard to choosing solder balls and cleaning of flux. 1) Is there a formula for the shrink

solder balls and flux

Electronics Forum | Tue Feb 29 10:14:02 EST 2000 | Robert Hartmann

My company is just getting into the flip chip packaging arena. We are putting in a prototype/small volume wire bond PBGA line. We have some questions with regard to choosing solder balls and cleaning of flux. 1) Is there a formula for the shrink

Solder Balls and Humidity

Electronics Forum | Thu Aug 23 16:28:14 EDT 2007 | grics

I want to get a collective opinion from the forum... I was always under the impression that Humidity at SMT can be a disaster and can cause solder balls... But what about at the Wave/Selective solder? If every board or almost every board has solder


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