Electronics Forum | Tue Feb 27 10:19:06 EST 2007 | Michael Konrad
If you�re running chemistry in the wash, the wash temperature will be influenced by the chemical manufacturer�s recommendations. Typically, wash chemistries recommend operating temperatures between 130F and 150F. If your application is straight D
Electronics Forum | Wed Jun 06 13:33:31 EDT 2007 | hussman
You may be JAX... My purchasing people send out for quotes from 8 to 12 different board manufactures from any where in the world. Each board mfger has different Laminate Sizes. So this makes things difficult. But wait, there's more. Now each boar
Electronics Forum | Tue Jun 26 21:41:10 EDT 2007 | davef
4.4 Determine the amount of flux on the board. 4.4.1 Get a piece of corrugated cardboard and a weighing scale accurate to 0.01 grams. NOTE: Use cardboard with alcohol fluxes to slow their evaporation and get good data. 4.4.2 Weigh the cardboard. 4.4
Electronics Forum | Tue Jul 03 10:57:01 EDT 2007 | randomtech
To start, i do not know much about this industry. I am an inventor, and designed an electronic device. I am currently building the prototype myself. I need to find out where i can get this product produced. I would need PCB, component assembly, p
Electronics Forum | Wed Oct 31 16:56:11 EDT 2007 | glenearl
Has anyone ever looked into the possibility for laser marking 1812 size X7R ceramic chip capacitors injecting sufficient energy to cause cracking when voltage is applied? If so, what were the findings? We are having failures of caps from one manufa
Electronics Forum | Wed Nov 21 15:02:46 EST 2007 | jlawson
From info I have been told from design standpoint, via in pads helps with managing EMC issues with working design, in particular for high speed digital/dense populated type PCB's. We had a manufacturing customer that had very low yield because of th
Electronics Forum | Wed May 21 00:28:42 EDT 2008 | grayman
Hello, My Friend from USA wants to set up new factory for SMT production (expansion line). Currently, he has production lines in the USA (10 lines with testing). Initially, he will set up 3 lines to produce power supply like AVR and UPS. He doesn't
Electronics Forum | Thu Aug 28 11:02:28 EDT 2008 | omid_juve
we have two similar pcb from two different pcb manufacturer one of them passed the wave soldering without any short circuit and residue and another one passed it with many residue . don`t you think that the type of solder mask from these two pcb manu
Electronics Forum | Fri Sep 05 13:33:28 EDT 2008 | jmiller
We are having problems with relay package seals cracking and moisture intrusion in power relays on thru-hole assemblies. we use a few different brands of thru-hole relays, we are using a sn-pb process right now and just going to lead-free. the contra
Electronics Forum | Mon Jan 05 09:59:51 EST 2009 | prkonrad
HI, i work for an EMS company and i got a few remarks on the solder mask question. In the manufacturing of PCBs there should be no difference if they use other color solder mask, but in the production of electronic assembly it could make a difference
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