Electronics Forum | Wed Feb 27 08:31:02 EST 2013 | anton99
We are a OEM and growing pretty fast. The like the idea of setting up common components on the machine. It makes sense from a set up perspective. All of our set up is off line but the set up usually lasts longer than the SMT run so we have some spora
Electronics Forum | Mon Jun 11 17:14:13 EDT 2012 | mmjm_1099
1st Question I am working on ROI for a bare board destacker and wondering if anyone has a general guideline to follow. Example of ROI for bare board destacker I have now as follows: $7500 for destacker, Avg panel input 3365, Time to load in panel 7
Electronics Forum | Mon Jun 25 11:33:20 EDT 2012 | davef
The immersion silver is an active surface and readily combines with sulfur from the environment. Silver sulfide tarnishes the surface and creates doubt about the integrity of the finish at inspection. [uyemura.com/library-4.htm] Your customer's boar
Electronics Forum | Tue Jul 03 16:15:08 EDT 2012 | kq702
Hi, when they did the reflow with the south bridge chipset they took a heat gun and went arround the chip in circles. This is what I did with the broken apple motherboard. I covered the board in tinfoil and cut out the squares arround the gpu, cpu an
Electronics Forum | Mon Aug 13 12:38:38 EDT 2012 | grahamcooper22
Maybe the area ratio between the sides of the stencil apertures and the aperture opening is too low for the spec of the paste ? So it will tend to stick in the apertures. ...only solution is thinner stencil or a paste that can release easily when are
Electronics Forum | Tue Aug 21 19:24:15 EDT 2012 | rway
Checksum will work if all your doing is analog/passive testing. Checksum systems do not have digital test capability. I would recommend a Teradyne z18xx system. We use 8 of them in our plant and have been for years. Used, these systems range from
Electronics Forum | Mon Aug 27 09:23:22 EDT 2012 | rway
Which military? The US? Being a military contractor, I am surprised at your lack of quality at your facility. I suspect this is non-US military. I don't know where you are located, but being a contract mfg for the military, any military, I can im
Electronics Forum | Mon Aug 27 12:51:32 EDT 2012 | cobham1
I have run 0.031 boards. One of the things you may want to look at is the speed of the oven. With 14 zones you may be going to slow with the board which could be the reason your boards are starting to bow. You might also think about adding stiffners
Electronics Forum | Thu Aug 30 13:02:37 EDT 2012 | rway
This may have been asked, but what ESD protection does your facility already have? With proper techniques and equipment, this should be a non-issue. As long as folks aren't using the pcb's to comb through their hair, you don't have to worry about i
Electronics Forum | Thu Aug 30 18:51:39 EDT 2012 | kahrpr
My first question is how many failures have you seen due to hair length I will bet zero. So upsetting your employees for something that will not reduce your failure rate by one board is pointless. However someone mentioned hair in the process that i
