Electronics Forum | Sat May 14 17:25:20 EDT 2005 | fastek
"What can be done to create economical advantages over here is review the product flow and eliminate process steps with current existing technology. Process steps that can safely be eliminated are cleaning, visual inspection, post wave assembly etc.
Electronics Forum | Thu Aug 24 15:54:13 EDT 2006 | davef
It depends. What is: * Storage environment and period * Board laminate, epoxy, and copper thickness of PTH * Down stream process * Etc FR4 0.062" thick boards absorb between 0.08 to 0.1%Wt of moisture within a 24 hour period, and 0.2 to 0.23%Wt in
Electronics Forum | Thu Jun 14 08:30:53 EDT 2007 | pavel_murtishev
This solution is not as complicated as you might have thought. T-conveyor connected machines are widely used for applications requiring high material deposition throughput. This solution is made of: 1. Two independent screen printers 2. Two line loa
Electronics Forum | Thu May 01 18:14:19 EDT 2008 | jmelson
Yup, this is pretty scary, all right. I have just used up the last FPGAs of a batch we bought from a Chinese source. Never again! Some of them worked, some didn't, in a variety of nefarious ways. People cautined me about empty packages, etc. Wel
Electronics Forum | Mon Jun 02 15:38:20 EDT 2008 | wavemasterlarry
I have a pretty good system for my counsultency rates of charge. It is a multi-tire system so to speak.I took a seminar on value stream mapping which is how come I know this stuff.I catgorize my consulting fees by area of expertise of course. Exampl
Electronics Forum | Tue Jul 08 12:04:31 EDT 2008 | patrickbruneel
Military is outside the scope of the directive. The RoHS directive is mainly focused on electronic equipment with a high potential to end up in the normal waste stream such as consumer products. The EU commission also knows that removing lead from a
Electronics Forum | Wed Jul 09 16:00:04 EDT 2008 | grics
Obviously you wouldnt perform the most difficult rework tasks till last... Sorry. I should have clarified. We rack our units to keep good units flowing and fall out are held for rework. The line never stops. Inspection is inline and it is the deci
Electronics Forum | Fri Jan 28 12:52:14 EST 2011 | damonica
Hey hey, A friend pointed out a nifty app, called chainr, that can be of great help when it comes to remembering setups, mapping circuits or making a "how to...". It's basically a tool to capture various forms of multimedia and link them together t
Electronics Forum | Thu Mar 14 13:31:10 EDT 2013 | sarason
I don't know your oven but I have dealt with high temperature ovens/furnaces before. These would be my thoughts. Change in the resistivity of the heating element due to aging. Blockage of air flow in the oven by buildup of soot/ debris in either th
Electronics Forum | Mon Feb 19 17:37:04 EST 2001 | billschreiber
Dear Mary, There are two major programs provided by the Environmental Protection Agency (EPA), Certification and Verification. Basically, the California EPA Certified the Smart Sonic Stencil Cleaning Process and the U.S. EPA Verified the California
