Electronics Forum | Wed Aug 27 00:01:28 EDT 2003 | Mike Konrad
Danger Will Robinson� Danger! Never mix a post-reflow cleaning system with a raw paste removal application (particularly on an inline cleaning system)!. The paste that comes off a screen contains solder balls that are so small, they will eventuall
Electronics Forum | Wed Jun 08 15:50:32 EDT 2005 | davef
Microshot blasting suppliers that recognize steps must be taken to control potentail dmage from ESD are: * Comco 2151 North Lincoln Street Burbank, CA 91504-3344; 800-796-6626 818-841-5500 F818-955-8365 info@COMCOinc.com http://www.comcoinc.com * CC
Electronics Forum | Fri Sep 02 15:21:34 EDT 2005 | pr
Do you have a cube down the hall from me? I think it's already been forgotten, but when blindsided by these requests one has to do SOMETHING! I blasted one in reflow and did a 7 second solder bath dip with another and took pictures, nobody has asked
Electronics Forum | Tue Oct 11 13:50:21 EDT 2005 | stepheniii
you take the stencil which is contaminated with basically a toxic substance, add a solvent (alcohol) then use compressed air to blast it all into the air you breathe. I used to use foam wipes that were pretty good. I've also seen thick clothe ones t
Electronics Forum | Tue Apr 25 13:01:32 EDT 2006 | fastek
So how do you like it EVS when someone comes on board and blasts your product....exactly like you did? I know nothing about your product or your company. I was simply trying to make a point. I do know this though...if you showed up at my factory t
Electronics Forum | Wed Mar 25 18:29:47 EDT 2009 | badnewz
My Quad IVc's will also do the same thing. Mine are equipped with CyberOptics scanners, not QuadAlign. The Cyberoptics scanners do go bad and once they do, they get very warm to the touch and at the same time, if the Quad is reset, the theta axis wil
Electronics Forum | Mon Jun 01 11:38:28 EDT 2009 | operator
So would the proper technique be as follows: 1. Grounded operator picks up PCB from ESD rack and attaches a 1meg(wrist strap cord)shunt to ground to a grounding surface on the pcb. 2. operator sprays conformal coating onto pcb using a spr
Electronics Forum | Sat May 03 14:06:25 EDT 2014 | jyo_409
What are the possible reasons for electrolyte leakage What is the purpose of the vent in the capacitor? Why vent is not being maintained for all types / values of the capacitors? What is the significance of the end seal configuration. Why end seal co
Electronics Forum | Tue Mar 24 22:03:39 EDT 2015 | davef
Here's some notes from IPC APEX 2015: * Black underfill is Heraeus. It needs to be preheated to 180-200*C for rework. Above 200*C it changes state and becomes difficult. * Clear underfill is from an unknown Korean supplier. * People from Heraeus w
Electronics Forum | Mon Oct 30 12:07:42 EDT 2017 | slthomas
One thing that most of the sites I've worked in did NOT have was a room dedicated to SMT and the result is almost always a potentially dirty environment, even if you try hard to keep it clean. The one place I worked where they built a room specific
