Electronics Forum | Tue Mar 11 11:56:20 EST 2003 | Mark
Please inspect the pcb were the components were "lost" Check if the glue dots were lef on the PCB.If so you have a component which has been contaminated.If the dots dont appear on the PCB,which is the more common of the 2,there is an adhesion problem
Electronics Forum | Wed Mar 05 10:59:04 EST 2003 | jfb2003
Currently, my company's applies a PCB bake (5 hours @ 125C) for all SMT PCB's prior to surface mount assembly. Many of us believe this is a non-value added activity, and have concluded it can be eliminated. With today's PCB process controls coupled
Electronics Forum | Thu May 15 14:11:04 EDT 2003 | Dyann
Hi, I'm a non-technical person working for a small MFG company that uses SMT. We are experiencing a high level of board failures due to "insufficent soder". Where is the best place for me to get data to bring myself up to a level of knowlegde on
Electronics Forum | Thu Jun 19 13:06:09 EDT 2003 | derelict
I am pretty happy with my Ersascope, they have been a little slow with software updates and with software questions that i have had. But my main reason that this has paid for itself is dealing with our non-local contract manufacturers, we have used t
Electronics Forum | Fri Jun 27 22:33:16 EDT 2003 | Ben
HI, I'm doing a dye penetrant and peel test of non-function BGA solder joints to locate the fracture surface. After applying dye, I found the dye ink just accumulate at the solder mask edge and spread everywhere after I peeled off the package. THis i
Electronics Forum | Mon Aug 11 20:30:05 EDT 2003 | davef
Our old friend Bob Willis posted the best procedure for determining wave solder recipes at his site [ http://www.bobwillis.co.uk ]. In the "Download" section, look for "Setting up Wave Soldering System (Plain Text Format)". It was written, last we
Electronics Forum | Tue Sep 16 10:57:01 EDT 2003 | Gabriele
Also most of Tantalum Caps are iron-magnetic material made, for sure is not this case but always wen we met problems like James met, we had always sot-23, light capacitors 0603 as you know some of them have Nikel barriel (also magnectic sensitive) an
Electronics Forum | Thu Sep 25 09:13:21 EDT 2003 | davef
Pete: That ACL Staticide� is used on the bulb of the Arach Technology & Application Corp Vacuum Pen� to attain ESD proprties, make us uneasy. "Staticide" is a topical anti-static solution. It's a soap that absorbs moisture from the air to improve
Electronics Forum | Mon Oct 06 10:04:29 EDT 2003 | davef
Excess low residue flux is very dangerous to leave on your finished assembly, because it can: * Be corrosive to your solder connections * Promote dendrite growth. To prevent this, follow your supplier's recommendations on: * Applying the proper amou
Electronics Forum | Tue Jan 13 04:35:26 EST 2004 | pablowe
We have done some trials with Lead free which appear to have gone well. We will be introducing a number of new products over the coming months and it is an opportune time to begin using lead free on these products which will be required by law in the
