Electronics Forum | Wed Apr 14 10:58:12 EDT 2004 | heatherc
Aegis software offers an MES system that offers both automated and manual data collection points. All of the data collected is automatically deposited in one central database. This database is then used for generating all of the SPC reports for ana
Electronics Forum | Sat Feb 14 12:25:37 EST 2004 | I ramos
I populate several thin panels (0.032")using a > Samsung S-2000 P-N-P machine. With panel sizes > of 8" by 10", it is very difficult to clamp the > panels into the machine with deflection and > bowing. Also, the Samsung makes it very difficult
Electronics Forum | Mon Mar 01 21:52:56 EST 2004 | Ken
Asking the Grid Lok to flatten out the board is like asking the SMT Reflow Furnace to detab the panel. It was not designed to make up for the deficiencies of your fab supplier or your unsuported 1st reflow pass on the the chain conveyor. However, i
Electronics Forum | Tue Feb 17 16:10:21 EST 2004 | pjc
Speedline MPM has recently completed a study on solvents that are available to use in stencil wiper solvent systems. Until now there has been a small number of solvents that have been deemed safe to use. This was due to the fact that a majority of th
Electronics Forum | Wed Feb 18 16:38:47 EST 2004 | agp
Dean,Chris,Steven, Thanks for all your inputs. I have met with our smt staff and scheduled an evaluation by early next week based on your suggestions. I'll be happy to relay positive feedback afterwards. To be more detailed, here are our set-ups as
Electronics Forum | Wed Feb 18 11:21:14 EST 2004 | Mike Konrad
You have two choices� Change your paste or beef-up your wash chemical. I�ll let others discuss paste options but as far as wash chemical is concerned, consider chemicals specifically designed for such applications. Zestron is promoting A300 as sui
Electronics Forum | Thu Feb 19 09:02:43 EST 2004 | russ
This is a pretty common sympton when wave soldering chip components. As a note IPC allows for this in wave process. The problem is in the pell off of the wave and you may not be able to fix. Is your back flow off of the wave only present when a bo
Electronics Forum | Thu Feb 19 18:07:57 EST 2004 | davef
We're inclined to buy Russ's stuff about peel from the wave. Look here, but shield your eyes first: [ http://www.thepdfshop.co.uk/ppm/defects/Wave/asp/50.asp ] [A respectful bow to BW for the pix] Could you tell us more about: * Board direction thro
Electronics Forum | Fri Feb 20 14:05:45 EST 2004 | northern
I talked QC into accepting the bulbous joint, the problem was it was often shorting to a well placed via next to it. I say WAS because I reduced the dwell time in the main wave (you are correct 50/50 flow) to approx. a nanosecond, which reduced it en
Electronics Forum | Fri Feb 20 13:25:00 EST 2004 | russ
Help! i just rec'd my next job from our marketing people and it has a .5mm pitch BGA 8mmX8mm size. Along with this kit came the stencil. So, I have never placed this fine of a BGA before and I am pretty worried about the stencil releasing the past
