Electronics Forum | Tue Jan 30 12:58:49 EST 2007 | barryg
We are seeing problems with platinum over silver plated part also. Our main problem is solder splatter under these devices, and voiding at the terminations on parts off the reels.I am curious if you have removed any of these parts and noticed any spl
Electronics Forum | Fri Feb 16 06:47:38 EST 2007 | CL
vshan, We were using pallets (delmat with cavities for the flex) We put stips of double sided Kapton tape in the critical areas. The tape held up to the heat and kept the circuit flat for the QFP's and BGA's. We based our assembly process for this c
Electronics Forum | Wed Feb 28 16:46:08 EST 2007 | jmelson
Philips is out of this business. They spun off the SMT business as Assembleon America. Their site is partially closed, and I don't know what hoops you have to jump through to become a member. The open part of their site gives no result when you se
Electronics Forum | Fri Mar 02 16:56:37 EST 2007 | vickt
Mark, How about a "line booster" such as the Universal AdVantis AC30L? The Lightning head provides a huge boost in throughput for your existing line, while also adding to the component range. One solution is to put it in the middle of a line to retur
Electronics Forum | Sun Mar 04 14:38:45 EST 2007 | finepitch
Hi guys, I kind of disagree with this. First, how can you tell whether ALL balls reached the melting point or not? you can't... For that reason, on one machine I know quite well, a "melting point reached" button appears. When you think you see the b
Electronics Forum | Mon Mar 12 09:25:16 EDT 2007 | rgraves
Our internal designers are employing SMT connectors that utilize a �PCB positioning boss� in conjunction with normal gull wing leads. The use of these devices is based on the advertised ability of the boss to prevent �mis-insertions� and assist in �
Electronics Forum | Tue Mar 13 08:04:28 EDT 2007 | Cmiller
We have used thousands of them with no problems. They will not aid in "connector retention" unless you have a shear force at exactly the right angle. This is an advertising joke. They will help with alignment of the connector. Open your holes up so t
Electronics Forum | Thu Mar 15 17:33:20 EDT 2007 | Darby
As you are new to this - start with lots of hair and slowly reduce. Start with one good person. Spend the money on someone who knows the process, can set it all up, (including air, power, alignment, calibration, programming, troubleshooting, stenc
Electronics Forum | Fri Mar 16 01:26:31 EDT 2007 | CHITRA K
Many thanks for your reply. We would like to clarify two things; 1. We have recently purchased a vision system with oblique viewing facility to rotate the camera with 40x magnification, which we find useful to inspect fine pitch components . 2. Wh
Electronics Forum | Thu Apr 05 23:27:37 EDT 2007 | mika
to pad on the PCB. The pick & placement as I mentioned before is OK. Now our X-Ray machine cannot see if the joint is firm whitin the PCB-pad and the LGA-pad. So I still don't know if this "gonna work" in a long term...The customers of ours doesn't
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