Electronics Forum | Sat Nov 24 22:15:16 EST 2001 | Glenn Robertson
Tony, I'm not sure if even baking will stop the voids if you have gaps in the plating. It probably doesn't take much moisture or even trapped air. I'm not speaking from a lot of direct experience here, so please run the tests and let us know wh
Electronics Forum | Thu Apr 17 14:14:17 EDT 2003 | davef
Takfire Questions are: * Why does your customer think the capacitor is the issue? [What are we thinking? Of course the capacitor is causing this voiding problem. What else could it be?] * What are the type, construction, end-cap material and plati
Electronics Forum | Tue Dec 21 17:56:13 EST 2010 | stepheniii
Am I reading your post correctly? You will print PCBs and not populate them until up to 24 hours later? And you can assemble level 3 components at 30C and 90% humidity, you just have to pro-rate the exposure time. (I don't recommend having those con
Electronics Forum | Fri Apr 20 16:11:29 EDT 2001 | davef
Good to talk with you too. Oh, just the way I had it pictured!!! Yeh, right!!! [http://davesmt.50megs.com/pictures select kristenna.jpg ] Which part of the antenna "sees" heat first [Are all legs (vertical part), two legs, or one leg of the anten
Electronics Forum | Mon Jul 07 00:22:38 EDT 2003 | sam
Thanks for all the answers. I should clarify that the problem was found to be on the SMT LED gold plating, instead of PCB gold plating. We had confirmed this problem by running some DOE experiments and some reliability testings. We had decided to d
Electronics Forum | Mon Oct 07 23:04:05 EDT 2019 | SMTA-David
Hi, I have a semi-Auto paste stencil machine and use laser cut stainless stencil with T4 paste. When I start pasting boards the paste covers the pads and is well defined. Throughout the job we have been having some issues with feeder on pick and pl
Electronics Forum | Fri Aug 31 08:45:33 EDT 2001 | 0704494250
Hey peoples, We are working with the dairy > industry out here and they asked us to start > reworking all there boards for them. Of course we > said yes, hehe. Only we didn't know what them > farmers coated them boards with. It turned out to
Electronics Forum | Sat Jan 24 02:10:42 EST 2015 | comatose
Liquid is significantly cheaper than compressed gas tanks if you are in continuous production. Of course, it will eat your lunch if you're running things for a few days, then the machine sits idle for two weeks. It boils off whether you use it or n
Electronics Forum | Wed Sep 12 18:07:17 EDT 2001 | ksfacinelli
Ok....this is the last time asking this question. Does anyone know how to clean the dull residue of the inside of a stainless steel batch cleaner. The system has always been DI based and run with a saponifier. I am not sure what the redusue is or
Electronics Forum | Mon Sep 12 05:43:53 EDT 2011 | aungthura
Hi All We have run the Hast Burn-in-Board into 2 soldering Process,first-Reflow and second-Wave. After wave soldering, there are many insufficient solder in the via holes.The via holes are wide as 15mil. Then, as customer's request, we have to cover
