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Electronics Forum | Wed Jul 25 11:16:34 EDT 2007 | lloyd
Hi Folks, I hope someone can help me, Is the homeplate stencil design (for reduced solder paste) the same for preventing solder balls as it is for reducing tombstones? i.e. the reduction of solder paste under the component termination. I'm trying to
Electronics Forum | Wed Jul 25 11:55:21 EDT 2007 | ck_the_flip
Zoinks!! Doing the homeplate design on 0402 will actually make your tombstones WORSE! Think about it. Your wetting forces are now on the ENDS of the device with no solder paste toward the middle of the device to tack the part down - a gauranteed f
Electronics Forum | Fri Aug 03 09:58:20 EDT 2007 | stepheniii
And that's better because? I think the guy that thought this up has never been to a board shop or knows what is involved with plating. Why does he think it's the board shops that will disappear? Maybe they will simply build the board over the compon
Electronics Forum | Fri Jul 27 10:07:18 EDT 2007 | rgduval
Our preference has been ENIG. We find that we achieve higher quality (visually) soldering for through hole and surface mount parts, with less handling issues than when we use white-tin, or immersion tin. We are about to do a test on some boards tha
Electronics Forum | Fri Aug 10 10:56:02 EDT 2007 | bentigano
Hey everyone. I'm looking for as much information as possible on the Universal 4796B chipshooter. We currently have a few 4785's, and are getting a couple of 4796B's next week. Mainly, I'm just looking for information on the NCZ file format that the
Electronics Forum | Mon Aug 13 16:07:08 EDT 2007 | dyoungquist
We run double sided surface mount boards through our Heller oven without any parts falling off the bottom side unless they are too big/heavy. The trick we use is to set the bottom side temperature in the final 3 heat zones 10C-20C lower than the top
Electronics Forum | Wed Aug 22 17:39:19 EDT 2007 | K
I was wondering if there is anyone out there who is soldering the Luxeon Lumiled LEDs into product. We are working on a product that uses them. They are a challenge in that the are SMT parts, but will not withstand reflow temperatures. The manufact
Electronics Forum | Sun Aug 26 07:13:05 EDT 2007 | callckq
Hi Experts, Understand from my friends, PTH crystal can get damage easily when subject to vibration or heat..For example, if crystal drop from table to floor, its internal part already damage @ crack which cannot be seen by eye. Besides, they als
Electronics Forum | Mon Sep 10 13:39:21 EDT 2007 | boatwris
I'm sorry to hear that you had a bad experience with Universal. I would like to try to help you. I'm not sure how you tried to contact us, but I'm asking that you e-mail us at universal@uic.com or call us at 1-800-842-9732, and we'll try to help yo
Electronics Forum | Mon Oct 01 18:08:09 EDT 2007 | allgood
Aegis always told me that they wouldnt go into the full MRP thing believing that this was not their core speciality even though it would make sense but last I heard was that they were talking to Manex about making the two systems interact - this was
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