Electronics Forum | Mon Aug 06 07:15:14 EDT 2012 | reypal
Hi to everyone in this forum. I came across this problem recently. Im not sure how it started and its rootcause. The chip resistor termination has been peeled off. Thanks in advance for all your advise.
Electronics Forum | Mon Aug 06 16:47:41 EDT 2012 | duchoang
Can you give more info: - Hand-soldered? Placed by Pick&Place machine? What kind of SMT machine? - Oven re-flowed? Temperature? - Any physical impact?
Electronics Forum | Tue Aug 07 01:19:49 EDT 2012 | reypal
Thanks DucHoang, More input: 1. Tin/Lead s.paste on Pbfree component 2. Machine pick and place 3. Reflowed@ 210-230C peak @ around 15sec. 4. Boards are subjected to washing process 5. This issue can be seen after washing process. Do you think it
Electronics Forum | Fri Mar 07 14:52:09 EST 2003 | caldon
Any company reclaiming desired metals will be interested. Some of the companies also take used PCB's for the metal content. It is not very profitable but does help. Metal reclaim companies can be found on the net. One company that might be interested
Electronics Forum | Wed Jan 18 16:30:30 EST 2006 | davef
380SR-flux gel is sold by Cobar. Look here: http://www.lumileds.com/pdfs/AB10.PDF This application note suggests: * �#1;Metals 390DH4 * �#1;Metals LR735 * �#1;Metals NS4029 * ESP 6#1;412 * Cobar 380SR#1;flux gel Comments are: * "�#1;Metals" is "A
Electronics Forum | Mon Sep 25 16:22:10 EDT 2000 | bill yates
Does anyone know of a company {may be Canadian} that makes stencils from a non-metal material?
Electronics Forum | Mon Nov 29 18:31:25 EST 1999 | al abalos
I'm looking for information on assembly, manufacturing, and reliability of PCBs made with a metal core.
Electronics Forum | Tue Dec 07 09:28:56 EST 1999 | Huw
I've designed several boards with metal cores, what do you want to know ?
Electronics Forum | Wed May 20 15:22:13 EDT 1998 | Chris Fontaine
How about masking the metal surfaces with Kapton tape?
Electronics Forum | Mon Apr 27 16:45:22 EDT 1998 | Eric Jenkins
Need a resource for metal tubes to bake moisture sensitive devices. Eric Jenkins
