Electronics Forum | Mon Feb 14 12:07:47 EST 2000 | Dave F
Leslie: Product screens and tests of prototypes and test vehicles should be tailored for the specific goal and product. I caution your use of equations and test condition information without specific use environments and design conditions. Lawyer:
Electronics Forum | Mon Feb 04 20:27:25 EST 2002 | davef
1,000 G ohm ||100 M ohm Dielectric Constant ||9.5 ||4.9 Loss Factor ||5 - 20 ||200 * E indicates exponent Continuing: * Spacing between same plane traces effect the electical parameters between the traces. * Dielectric materials used between diff
Electronics Forum | Thu Apr 17 16:43:09 EDT 2003 | davef
Background: * Bulwith, Ronald A., �Failure Analysis of Solder Joints�, �Insulation/Circuits� magazine, February 1978 * Banks, Donald R., et al., �The Effects of Solder Joint Voiding on Plastic Ball Grid Array Reliability�, Proceedings of the Technica
Electronics Forum | Thu May 07 20:28:35 EDT 2009 | davef
From our notes, the following is a series of snips from: "Copper Dissolution in Tin" LJ Turbini, PhD, adjunct faculty member, University of Toronto, Materials Science and Engineering, SMT 2/07 As the solder becomes molten, copper from the board diff
Electronics Forum | Sun May 28 23:43:35 EDT 2017 | claire_08
Hi. We provide rework and repair of printed circuit boards to companies all over the world. Key services: BGA Rework Services. BGA Reballing Services. BGA X-Ray Services, Consulting Services. Advanced Technologies R & D Support Services. Hand Sol
Electronics Forum | Thu Nov 20 03:58:39 EST 2014 | hhat
To get the best performance of electronic circuits, components and circuit board supports circuit components and devices in electronic products. Even if the circuit principle diagram design is correct, the printed circuit board is designed improperly
Electronics Forum | Thu Oct 18 12:15:03 EDT 2018 | teresat2
The numerous traits of an electronic assembly comprise high volume assembly, BGA, AOI and 3 dimensional solder paste inspection. The value incorporated features of these assembly services comprise low loss, blended technology assembly, many layer, du
Electronics Forum | Thu Aug 03 12:44:07 EDT 2017 | davef
Try: * RD Chemical [ http://rdchem.com/chemposit-sn-rd-51.html ] * MacDermid [ http://electronics.macdermidenthone.com/products-and-applications/printed-circuit-board/final-finishes/immersion-tin/ ] * Technic [ https://www.technic.com/applications
Electronics Forum | Thu Nov 30 15:19:56 EST 2006 | CK the Flip
Mike, dude, I feel your pain. Hearing stories like this makes my blood boil! It's almost as ridiculous as a customer who told me to put more solder paste on a MELF component to overcome noise issues - he used more solder paste as antennas to overco
Electronics Forum | Mon Apr 03 02:09:58 EDT 2017 | soldertraining
Restriction of Hazardous Substances (RoHS) bans products that contain a high level of hazardous materials from entering the market like the EU market. If we talk about PCB products - The printed circuit board services – including both conventional an
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