Electronics Forum | Sun Nov 23 08:28:16 EST 2008 | orian
Wow im amazed by the amount of replies I got, thank you all for your time. Davef, Mika, and eetour Thank you all for the websites, I've found googling homebrew to be most useful there really is alot of content, too bad I didn't search for that in th
Electronics Forum | Fri Jan 02 16:52:16 EST 2009 | boardhouse
Hi, From a Manufactures choice - Green is the best due to it is the most commonly used mask color in the industry & cheapest. Kind a like Red paint for Barns. For US shops, most only have one LPI machine and to continually switch from Green to othe
Electronics Forum | Thu Jan 22 11:12:06 EST 2009 | davef
Conformal coating masking: Electronic equipment manufacturer's use conformal coating processes to protect printed circuit modules from moisture, fumes, rapid temperature changes and other environmental conditions. Typically, pressure sensitive tapes
Electronics Forum | Fri Jan 30 10:29:48 EST 2009 | petep
We have a potential new customer who has special PCB requirements. I do not know a lot of details at this point, but have several questions. One of their assemblies has within it , a MID, Solid foil layer, completely isolating one side of the PCB f
Electronics Forum | Thu Feb 12 15:32:15 EST 2009 | gtemkin
A few other data points to consider. My experience working with Dymax 984LVF material was that its UV cure must be initiated immediately after coating, otherwise is surface will remain tacky forever, something like a post-it note tackiness, which wi
Electronics Forum | Sat Mar 14 09:12:59 EDT 2009 | davef
First, there is no good justification for getting solder on gold fingers. Second, it is well known that solder on gold fingers is unacceptable. So, shipping boards with that condition indicates sloppy quality practices at your CM. Third, that being
Electronics Forum | Sun Mar 29 13:49:59 EDT 2009 | tpappano
Hi Peter, I'm a new user of a CSM84VZ, so I have only a small grasp so far about what goes on in the machine 8-) There should be two locating pins. One fixed and the other adjustable for different board widths. Small cylinders are coupled to the
Electronics Forum | Wed Apr 08 14:46:34 EDT 2009 | boardhouse
The things to ask your board supplier would be: 1) Was the Pre-preg material that was used on this board within its Shelf life? and ask for the Incoming inspection CofC for the Pre-preg material. 2)Was this order shipped from Stock - this is why
Electronics Forum | Wed Jun 03 13:56:09 EDT 2009 | mika
less total area of voids, which mean a much more strength in the joint and much easier to solder such a cooling pad grounded via vias, with this approach! The same goes for big cooling pads of let say Power transistors without any via etc. Always re
Electronics Forum | Thu Dec 10 19:15:07 EST 2009 | swag
We like to keep one fully populated SMT golden per product (high volume) with t-couples soldered to it. We have best results using high temp. solder to attach t-couples (most permanent). 1) Remove all production solder from the part you are wanting