Electronics Forum | Tue Jun 02 14:32:58 EDT 1998 | Chris Fontaine
We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not alwa
Electronics Forum | Fri Mar 26 17:29:07 EST 2004 | ben
try gc prevue
Electronics Forum | Thu Mar 25 12:27:19 EDT 2010 | ssager
We factor in 3% to our older Quad machines.
Electronics Forum | Wed Sep 23 09:21:53 EDT 2020 | dimamalin
first of all checking feeders
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 | Sun May 22 23:09:22 EDT 2005 | Thaqalain
In which direction should the operator count leads on SMT leaded compomnents (i.e.,QFP) 1-Clockwise 2-Anticlockwise 3-Either
Electronics Forum | Mon May 23 08:17:34 EDT 2005 | mmjm_1099
In the northern hemisphere you count counter clockwise and southern hemisphere you would count clockwise. Now if your sitting on the equator than it can be either way.
Electronics Forum | Wed Apr 07 03:44:40 EDT 2010 | jackevest
The missing rate spec. of normal machine is under 0.3%, for our experience 0.1% is normal for average, if you can maintain the machine well, like the nozzle cleaning, feeder maitain...you can keep the 0.05%.
Electronics Forum | Wed Feb 28 17:20:25 EST 2024 | jdengler
Find out were the excess flux is coming from. See if it can be eliminated or reduced at the source. Lokely coming from something other than SMT assembly.
Electronics Forum | Wed Feb 28 19:34:34 EST 2024 | tey422
I have seen there is flux like stuff dripping off from the exhaust area of the reflow oven onto the board That would be the issue of poor maintenance.
