Electronics Forum | Mon Feb 18 11:08:59 EST 2002 | Claudine Y. Corda
Ashok, a few suggestions.......steel/brass fittings anywhere in the flux line can cause that problem; also, check the transfer tank (if used) for cleanliness . There may be a problem with the pump, if you are using Sono-Tek's SonoFlux system then p
Electronics Forum | Fri Feb 22 01:58:21 EST 2002 | Marcus
Armin, another argument ist that the range of available options /features is totally different. E.g. automatic stencil wipers, aircondition or post print inspection systems are only avilable in auto�s. These options are also important to stabilize y
Electronics Forum | Tue Feb 19 18:35:05 EST 2002 | dougt
I was asked by a mechanical guy where the industry standard was for designing a chassis for an ISA/PCI backplane board that we are going to use. We typically use a chassis built by an outside manufacturer but they have decided to build our own. Wel
Electronics Forum | Wed Feb 20 08:13:21 EST 2002 | rkevin
When do you use Tin/Lead/Silver paste ? What is the advantage of using Tin/Lead/Silver paste comparing to Tin/Lead? Do you have to use Tin/Lead/Silver paste only if the components are made from Tin/Lead/Silver ? I would appreciate your quick resp
Electronics Forum | Wed Feb 20 10:28:38 EST 2002 | jax
Silver in paste is usually employed to prevent scavenging of silver from silver plated surfaces, BUT Dave's right. I wouldn't think Components are uniform enough to base a process change on. See how it goes with what you have. You will probably find
Electronics Forum | Wed Feb 20 23:17:34 EST 2002 | surachai
I AM JUST EVALUATION LEAD FREE EVALUATION AND FOUND THE BIG PROBLEM OF SOLDER CRACK BETWEEN TERMINAL OF COMPONENT AND THE INTERMETALLIC LAYER OF LEAD FREE ALLOY BUT DON'T FIND ANY CRACK BETWEEN SOLDER AND SURFACE OF PCB , COULD YOU HELP ME VERIFY T
Electronics Forum | Fri Feb 22 15:16:24 EST 2002 | rkevin
Bet your using tin/ lead plated components with a lead free Cu/Ag/Sn alloy. It leads to intermetallic cracking. Wow didn't anyone tell you to check the archives yet, It seems to be the answer given to everyone. Why have an interactive site if you alw
Electronics Forum | Mon Feb 25 08:10:47 EST 2002 | jax
Eric, I assume you are talking about "VOC" as in (MXL-350VC "VOC FREE" Swing Spray Fluxer) since I have never heard of "VCO" used when talking about Spray Fluxers', or anything else for that matter. This is copied right from the SMTnet Library: VOC.
Electronics Forum | Tue Feb 26 05:52:35 EST 2002 | mustservices
basically i am looking for a list of parts that would be required to be changed in an annual service for the qp242 and cp642. this information will not be relaeased by astro or fuji america or fuji japan as we are a competitior to astro in the uk, so
Electronics Forum | Tue Feb 26 05:56:14 EST 2002 | mustservices
basically i am looking for a list of parts that would be required to be changed in an annual service for the qp242 and cp642. this information will not be released by astro or fuji america or fuji japan as we are a competitior to astro in the uk, so
