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Electronics Forum | Sun Jan 14 16:35:48 EST 2007 | Austin
I have several boards built at various CM's. We have prototype builds with some JTAG failures on BGA's (1-3 failures with qty 3, 1500 pin BGA's). CM's always claim reflow profiles look good. X-ray does not show bridges and they claim it looks good, b
Electronics Forum | Wed Feb 07 13:44:09 EST 2007 | dsoohoo
After some precursory experimentation, I am planing on employing a form of low melting temp solder for use in reworking some very dense, copper core PCB's, both SMT and THT, which were originally mounted with 63/37 solder. The main problem with the
Electronics Forum | Fri Mar 23 23:26:40 EDT 2007 | mika
Hi, We are facing a complete new package type for us in our prototype production. RoHS LGA 36 Land Grid Array with 36 so called pads instead of bumps underneath. It is totatlly flat. This component is only 6.5 x 3.5 x 1.6 mm and we recieved them in a
Electronics Forum | Sun May 27 04:18:22 EDT 2007 | grantp
Hi, We are currently soldering only connectors, so there is not that much to do. For the wave we currently use palettes as we solder PCI cards but don't want to wash. So the palette keeps the flux off the board. My reasons for looking at changing o
Electronics Forum | Fri Jun 22 13:47:51 EDT 2007 | 18424
Good afternoon all, I am looking for help from you folks to find a place that can do metalurgical analysis on components and contamination. We are an OEM and just recently received back from the customer several units that failed in the field after
Electronics Forum | Fri Jun 22 13:49:46 EDT 2007 | 18424
Good afternoon all, I am looking for help from you folks to find a place that can do metalurgical analysis on components and contamination. We are an OEM and just recently received back from the customer several units that failed in the field after
Electronics Forum | Thu Jun 28 16:55:45 EDT 2007 | hegemon
Hey Brian, Did you use the auto profile feature on your DRS25 machine to arrive at your profile? Our DRS25 has been doing quite well at larger BGA components. Most critical is a good preheat until the PCB reaches at least 140c, followed by a 2degC
Electronics Forum | Mon Jul 16 10:21:29 EDT 2007 | samir
d0mino, Given the fact that the SLIMKic has built in wave detection, you can just make a pallet out of 10mm delmat material, and drill a couple of holes on the pallet for the wave detect T/C's (ports 2 & 3 for left and right). All the wavesurfer is
Electronics Forum | Tue Nov 20 19:08:15 EST 2007 | Peter
Hello, I would like to ask for opinion on an epoxy application. We apply RTV to bond and secure 2 electronic devices on a PCB. But after noticing the RTV bond breaking off during vibration test, our customer has specs in a 5min 2-part epoxy (made
Electronics Forum | Wed Dec 19 14:44:54 EST 2007 | Paul M.
Kelca..... I don't think yer getting the picture here. These boards are supplied by the customer. They are "Labor Only" accounts. We have NO control of the PCB's or any of the parts for that matter. These Labor Only customers show up at the back doo
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