Electronics Forum | Sat Jun 11 03:26:20 EDT 2016 | nagesh
Hi, I have problem with one of the BGA Top Cap Detached from the Solder Balis attached to the BGA. Advice /Suggest why the Top Cap Has come out. We produced 4150 Pieces & had similar problems with 5 Pieces. Thx in advance for all your suggestions. T
Electronics Forum | Mon Jun 27 11:01:58 EDT 2016 | mufflerbearings
From the pic, it looks like you have a bad board; ENIG process issue. It used to be called black pad for SMT but I'm sure it's the same condition for T/H. Any good electronic lab should be able to id the black stuff. I would also send raw boards bac
Electronics Forum | Mon Jun 20 14:01:37 EDT 2016 | babe7362000
Does anyone know of anyone that would inspect our Finished PCBs using photos for their software, instead of shipping out the PCB's? We have boards that are quite heavy. We need them inspected for thru hole accuracy. Or if you know any software th
Electronics Forum | Wed Jun 22 15:35:09 EDT 2016 | mikemoriel
Hi all, I have a problem on my 265 GSX printer. "Position error" on the rising table. Machine was running fine and then out of the blue the error occurs, takes a few power downs and not working... The table does not move then error occurs...
Electronics Forum | Wed Jul 06 06:17:11 EDT 2016 | pavel_murtishev
Dear members, Recently we have found that solder mask thickness variation could lead to solder balling under QFN packages for a high reliability device. Is there any industry proven method for solder mask thickness checking? Any equipment or any me
Electronics Forum | Thu Jul 07 01:26:34 EDT 2016 | lukvel
I have not tested whether there is electrostatic discharge on the PCB or not because the electrostatic meter is still on its way. But the IPC-A-610 section 3.1.2 specifies that yes even compressed air nozzles that move air over insulating surfaces g
Electronics Forum | Sat Jul 23 09:19:17 EDT 2016 | dalpets
I want to place smd's by hand from tape strips using a vacuum pump. What is the orientation of polarised smd components on reels/tapes? Is there a standard manufacturing orientation, or are there variations? I understand some manufactures have part
Electronics Forum | Tue Aug 02 10:46:03 EDT 2016 | proceng1
We are getting more and more customers wanting LED boards built on White Solder Mask. Well our printers do not get as much contrast between the white mask and the plated fiducial pad, and often the camera only sees white. Other than playing with
Electronics Forum | Wed Aug 03 12:18:49 EDT 2016 | dekhead
You don't say what kind of printers you are running, but if you had multiple light sources and independent control of direct an oblique lighting (either manual and software controlled) usually pretty "do-able". I have customer doing almost exclusivel
Electronics Forum | Fri Oct 19 13:55:22 EDT 2018 | compit
We have been buying PCBs for two years at http://www.cs-pcb.com/ and we are satisfied, but we make PCBs only 2-layer. Their website does not look good (too small photos) but PCBs do. This is not a one-men company. And I'm not from China :)
