Electronics Forum | Sat Feb 02 09:33:33 EST 2002 | davef
�8.4.2, Cracking Of Soldered Joints in the epic "Soldering In Electronics" by RJ Klein Wassink [Electrochemical Publications,ISBN 0 901150 24 X] covers cracking differented by: * Overloading * Creep * Fatigue You can't go wrong by starting there.
Electronics Forum | Wed Feb 23 08:27:14 EST 2011 | cyber_wolf
I am going to disagree with that. Our QP242 wasn't worth a crap when it came to reliably placing BGA's. The lighting parameters and the programming will have you tearing your hair out. If you are doing outline recognition on small BGA's...then maybe.
Electronics Forum | Mon Jul 01 20:45:38 EDT 2002 | davef
Solder mask thickness specifications by fabricators are: * Wet mask: 0.0002 ~ 0.0004� on trace * LPI mask: 0.0002 ~ 0.0008� on trace Liquids usually range between 10 to 13 um (0.00039 to 0.00051") when dried. Liquid resist processes I have seen are
Electronics Forum | Fri Aug 30 03:59:18 EDT 2013 | spoiltforchoice
For "Production" none of the above or any of this type. These little batch oven are for small labs and prototyping houses, even the best ones have only limited control over the reflow process. None of them are intended for the repeated serial use you
Electronics Forum | Sun Jun 04 21:10:05 EDT 2023 | spoiltforchoice
> We own the Ekra X4 and pleased with it. Solid > phone support from factory in the US. Do review > GKG out of Asia which is supposed to be $20-$30k > usd https://www.gkgasia.com/smt-printer-g-titan/ > In speaking with Koki, they
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