Electronics Forum | Mon Aug 25 19:27:11 EDT 2008 | Mike Konrad
There are a number of �low cost� stencil cleaners available. I am a manufacturer of one but I'll list a variety and let the others provide editorial on which is best. Basically, there are three technologies, manual cleaning (solvents and wipes), ul
Electronics Forum | Thu Sep 09 14:50:31 EDT 2021 | kumarb
more... if you want to source from the #1 PCB shop in China, then there is Shennan Circuits. Again, unless you have very high annual volumes, they will not deal direct. Shennan builds PCBs for the military, medical and other high profile accounts.
Electronics Forum | Thu Oct 28 09:16:38 EDT 1999 | DaveH
Michael, You can try contacting National Training Center for Microelectronics in Pennsylvania. They are a "for fee" training center, but may be able to supply you with some basic information that would assist your research as a student. Try e-mailing
Electronics Forum | Fri Jan 19 20:55:56 EST 2007 | Mike Konrad
The answer depends on the cleaning / defluxing method. There are many fine chemicals available. One must first consider the cleaning method, then safety (environment and operator), then cost. For automated board cleaners (defluxers), consider th
Electronics Forum | Thu Jun 10 21:09:17 EDT 1999 | Samuel F.
Humiseal probably won't work as most of them are solvent based or require pretty high temp cures. MicroCoat technologies manufacturers UV cure epoxy conformal coating materials that have been used to coat just about anythin (except the green fog) Cal
Electronics Forum | Thu Aug 07 10:02:10 EDT 2008 | eyalg
We are facing low quality due to soldering opens with coilcraft inductors 0402CS-2N7XGLW. The termination used is(suffix L =RoHS compliant silver-palladium-platinum-glass frit. Did anyone had this problem in the past? Can we do better using T = RoH
Electronics Forum | Sat Aug 16 08:15:27 EDT 2008 | davef
We are unfamiliar with yellow penetrant. Red is common, as you say. There are couple of green penetrants out there. Some red penetrants contain yeasts [eg, Calcofluor Yellow, Azosol Brilliant Yellow 6GF, etc] that fluorese yellow, but that's not what
Electronics Forum | Thu Aug 13 12:55:46 EDT 1998 | Dave F
| Hi, can you please tell me how to make green coating and through-hole plating of PCB? Thanks! | Xingsheng Xingsheng: Welcome. Bible on PCB fabrication: Printed Circuits Handbook, Clyde Coombs, McGraw-Hill Web resources: http://www.pwbrc.org/ a
Electronics Forum | Tue Dec 11 13:56:38 EST 2001 | Damian Holzmann
Regarding your comment "technology doesn't seem to have improved". Actually, technology has improved significanty. Cyber Optics uses a line measurement, a new unit from Germany uses sine wave differential measurement. The Gridmeter unit captures a vi
Electronics Forum | Wed Jun 24 15:46:26 EDT 2020 | kumarb
The blue handle CL feeders are 4mm advancement pocket to pocket - suitable for 0402 devices. The green handle CL feedersare 2mm advancement pocket to pocket - suitable for 0201 / 01005 devices. According to Elissa, she did not recommend the use of
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