Electronics Forum | Thu Jul 09 10:34:49 EDT 2009 | davef
We can't tell from your picture that you have black pad, but it's not uncommon. Look here: * http://findarticles.com/p/articles/mi_qa5348/is_200606/ai_n21392950/?tag=content;col1 * http://www.pwbrc.org/members/pdf/works99/Houghton.PDF
Electronics Forum | Sun Sep 27 17:31:12 EDT 2009 | bandjwet
There are a couple of companies that make BGA > reballing kits. Try: Winslow Automation _a > class=roll > href="http://www.winslowautomation.com" > target="_blank"_http://www.winslowautomation.com_ > /a_ Another alternative BGA reballing kit
Electronics Forum | Wed Jul 29 07:02:50 EDT 2009 | thanhnguyen
yes i did test it manually, and it working fine.At the plug in, that the only way to plug it. With my ohm meter,24 volt present when you turn it on. The wierd thing is it blowing during head going down,then will sucking up when it move up.Vacuum valv
Electronics Forum | Thu Aug 06 14:58:40 EDT 2009 | davef
Semiconductor fab back-ends and production contractors use laser assisted solder jetting for protoyping, repair, and other low volume flip chip bumping. * As you say, printing paste is going to be very tough to control. * Solid ball placement is ai
Electronics Forum | Fri Sep 18 09:25:16 EDT 2009 | ysutariya
There's not really a good answer except that I think that the industry wasn't really prepared for such an increased use of white soldermask combined with the importance of using the white as a reflecting surface. Essentially, the resins commonly u
Electronics Forum | Tue Aug 25 10:38:03 EDT 2009 | grahamcooper22
Hi Sergey, Do you know the Moisture Sensitivity Level of the component ? This is normally recorded on the DRY PACK that the device comes in. It is not unusual for a device to POP CORN and still work in test. It depends how much damage there is to th
Electronics Forum | Thu Aug 27 18:22:37 EDT 2009 | zombie
Hello, thanks for the help. Since this is only for prototypes we can avoid lead-free. Also our boards are not that big or thick. On the other side, our parts are small, the smallest is 1.5x1mm. Would the DRS24 work? What brand is usally more affor
Electronics Forum | Tue Sep 01 05:28:49 EDT 2009 | aj
start skipping out some parts and try to transmit? could be a dodgy part data... Best thing to do is skip out everything except one part and see how you get on with the transmission and work from there. If it transmits start addin a few more until y
Electronics Forum | Thu Sep 03 10:13:38 EDT 2009 | markgray
Our wave started leaking a year ago. We welded, patched inside and outside the pot with metal patch. This works if you leave your wave on all of the time. If you turn your pot on and off consantly, the temperature cycles will bring the crack back. Ty
Electronics Forum | Fri Sep 18 13:23:16 EDT 2009 | fredcalkins
There may be other solutions to this, but MSC Industrial Supply has a plastic shim assortment that may work for you. Part number 00019208 for $35.54 the assortment has 12 different sizes to .02 inches. The shims are flexible and can be trimmed to any
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