Electronics Forum | Thu Oct 02 21:00:26 EDT 2003 | davef
Who says the chlorine comes from your tap water? Our PTOW dumps boat loads of chlorine into our water periodically. Sometimes it's so bad you can smell it. We doubt that it is the source of your problem. This chlorine will volitize very quickly,
Electronics Forum | Mon Oct 06 08:51:26 EDT 2003 | davef
The EIA does not provide that information. EIA standards focus on component dimensions. Alternately consider: ...cut... SM-782A - Surface Mount Design & Land Pattern Standard, Inc. Am. 1 & 2 ANSI Approved Get up-to-date land pattern recommendat
Electronics Forum | Mon Oct 13 13:34:13 EDT 2003 | caldon
HI Andrea- to answer Q: 1) Stencils can be order through various vendors that manufacture stencils. You would need to have CAD data for the Stencil company to make them. You design engineer should have the CAD info. Also, the stencil design company c
Electronics Forum | Thu Oct 23 08:13:44 EDT 2003 | davef
The SEMA listing [ http://www.smema.org/smema5.pdf ] says: * D CUT SQUEEGEE: A single diamond edge squeegee which is shaped like an upside down house and made of polyurethane. * FOUR-SIDED DIAMOND EDGE SQUEEGEE: A polyurethane 3/8 x 3/8 four sided, f
Electronics Forum | Mon Oct 27 16:16:45 EST 2003 | Pat Fogarty
Good Morning John Your above enquiry has been brought to our attention by Mr Kenny Munroe of Permali Composites SA, France. Shamrock Industries Ltd are Tool & Die Makers, Precision Engineers & Original Equipment Manufacturers. We are based in Chri
Electronics Forum | Wed Dec 10 15:45:02 EST 2003 | Carl
If your operation is hi-mix low-volume, consider > taking a look at some of the bench-top units out > there. They are lower cost but can give similar > performance as higher cost in-line systems. Some > of the bench-tops cannot do solder fillet
Electronics Forum | Mon Dec 08 18:52:47 EST 2003 | Craig M
Stability of process is what your measuring so lets not assume a stable process(if your process was perfect you would have no defects). With no test a medium complexity board will be around 68.7% (according to Consulogic). I dont have many other sour
Electronics Forum | Fri Dec 12 01:06:02 EST 2003 | kenny
Dear folks; I am currently looking a PCB manufacturer who can fabricate PCB with the following specification:- Board sizes: _20000__ x _20000__ mils Thickness: 125 mils PCB material: FR4 Surface finish: 30 microinches Gold over 200 micro inches Nic
Electronics Forum | Thu Jan 08 11:06:40 EST 2004 | russ
If I read this correctly you have two identical ovens that were setup the same ie zone temps, fan speeds etc... when you ran the same board through each of them one showed a lower board temp. Is this correct? Is the temp of the board 7 deg. lower t
Electronics Forum | Fri Jan 16 15:41:23 EST 2004 | patrickbruneel
David, You just provided enough material to start an endless debate in an unexplored field (acceptable impurities, levels and effect on reliability in high tin content (lead free alloys). High tin content alloys have a high affinity to metals like C
