Electronics Forum | Fri Jul 23 05:25:20 EDT 2004 | greg york
Got to agree with John on this, get a stencil cleaning wipe something a little more potent than standard IPA and wipe the surface thoroughly, this should produce a green residue of solder resist. If this does happen then ask your PCB vendor to look a
Electronics Forum | Fri Jul 23 06:48:23 EDT 2004 | mattkehoe
I am actually getting opinions that point to contaminated copper under the HASL finish. We've seen some "fish eyes" where the HASL is pulled away from the copper exposing a pin hole of copper that can be seen through the HASL finsh. We are planning o
Electronics Forum | Sat Jul 24 04:02:18 EDT 2004 | kent_peterson
Two ways at it.You could just put the same nozzle for both the min and max.Or you could move the feeder into a location that has similar parts using the nozzle you want. With the feeder setup it should be optimized for the least amount of nozzle ch
Electronics Forum | Sat Jul 24 04:02:21 EDT 2004 | kent_peterson
Two ways at it.You could just put the same nozzle for both the min and max.Or you could move the feeder into a location that has similar parts using the nozzle you want. With the feeder setup it should be optimized for the least amount of nozzle ch
Electronics Forum | Fri Aug 06 14:55:57 EDT 2004 | pdeuel
There is no substitution for proper calibration especally with ever decreasing size of parts. ISO certified companies and coustomer base often require calibration by qualified personel useing approved tools. Verification also in many cases be require
Electronics Forum | Wed Jul 21 14:57:57 EDT 2004 | Steve
I have some servo driver boards that intermittantly fail and would like some information on getting them repaired. Do any of the members know of a 3rd party repair facility that can repair/exchange these boards? As not having a schematic for these so
Electronics Forum | Wed Jul 21 16:02:42 EDT 2004 | rgraves
We are investigating the use of a 3rd party measurement service to complete capability studies on our SMT equipment. The only source I have been able to find that will come on-site is CeTaQ (www.ctq.de). Does anyone know if there are any other vend
Electronics Forum | Mon Jul 26 16:31:02 EDT 2004 | Sue PH
We use Kester 186 flux and the STU people would sometimes find white residue after cleaning with Isopropyl at the solder station. We have Lenium (Petroferm)in our vapor degreasers, and now they use Lenium at their stations as well as final clean, an
Electronics Forum | Wed Jul 21 22:46:52 EDT 2004 | dougt
A company I do some work with is looking to buy possibly a couple used pick and place machines. The decision on what type of machine to buy will partially depend on the service available in the Florida area. Can anyone recommend some good service
Electronics Forum | Thu Jul 22 15:15:24 EDT 2004 | russ
You can purchase pad repair kits at some "radio shack" type stores or you can order them from some such as Circuit repair corp. If you know where the signal traces go from the individual connector pins I woul;d recommend just adding a wire frm the p
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