Electronics Forum | Thu Feb 03 07:19:39 EST 2000 | Hany A. Salam
Hello there: Could anyone help: 1- In a double wave wave solder M/C, is possible to completely eliminate the second wave without affecting the quality of the solder joints? 2-From a quality control prespective, what is the minimum accepted length of
Electronics Forum | Thu Feb 03 06:21:57 EST 2000 | Ignacio Simon
I would like to have information about the materials commonly used for laminates of printed circuit boards, their main thermal, mechanical, humidity and electrical characteristics and proper finishing and aplicattions, and advantages/disadvantages be
Electronics Forum | Tue Feb 01 12:00:01 EST 2000 | K. Ckak
Hi Folks, I am looking for some info. and possibly a source on measuring inprocess copper plating thickness for Flex PCB manufacturing facilities. I have tried XRF, E-Current method but the supplier told us that it wont work with Flex material - th
Electronics Forum | Wed Feb 02 20:43:56 EST 2000 | Dave F
KC: Try: 1 http://www.rogers-corp.com/cmu/techindx.htm Circuit Materials Division Tech Tips Index: Techtip #9: Measurement of Copper Thickness by the Weight Method 2 Andy Magee - Flex Guru Senior Consultant, Bourton Groupmagee@donet.com (937) 435-
Electronics Forum | Tue Feb 01 18:29:03 EST 2000 | Roland
Gary, You may have luck by posting this info in our PCB Capital Equipment Mart-wanted section. The Mart also contains a large listing of equipment. Please also take note that we have a few used equipment dealers as advertisers whom you may want to
Electronics Forum | Tue Feb 01 06:54:19 EST 2000 | Roni H.
Hi, Does anyone have experience with gold over nickel (electroless) PCB finish: - Repeatble quality from PCB mfg. (very "painfull" with ENTEK). - Environment condition sensitivity. - Thermal processes sensitivity. - Solderability (Reflow & wave). -
Electronics Forum | Wed Feb 02 09:58:00 EST 2000 | Dave
Ashok, I don't understand what they're saying about the gray joint. Usually a gray joint has to do with too much heat. Also, the higher the temperature the lower the fillet because of the increased viscosity of the solder. Correct? Wouldn't yo
Electronics Forum | Mon Jan 31 12:15:32 EST 2000 | Neil
I am looking for a Mydata users group, one possibly located in the Chicago area. If such a group does not exist, I would be more than happy to help start one. I have an older Mydata TP9 (non-UNIX) machine, with weak (yet expensive) support from the m
Electronics Forum | Wed Feb 02 17:16:44 EST 2000 | Larry
Boca, We mix them with titanium fingers, been running them for 6 months with no problems with heat. They break off rather then mangle like the titaniums, which can be a good thing! Do I like them? Sure! I found they were 1/2 the price as titaniums an
Electronics Forum | Sat Jan 29 00:30:09 EST 2000 | Micah Newcomb
Mike, I found the easiest way around your issue is to get your parts in T&R rather then trying to modify your machine. Some part manufacturers may be unwilling to T&R your part but there is always a ready and willing company whom would be happy to d
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