Electronics Forum | Thu Oct 07 14:10:15 EDT 2004 | cburress
Looking for a reputable Class III PCB Manufacturer. Any leads are greatly appreciated.
Electronics Forum | Wed Nov 03 09:18:27 EST 2004 | Simon UK
Hi Dennis, It is all dependant on what you state for the class of product i.e. Class 3 is the top end acceptance criteria used mainly in Aerospace and Military. You have 2 terms you need to grasp to avoid confusion. 1. Acceptance Criteria 2. Target
Electronics Forum | Fri Feb 24 09:35:42 EST 2006 | INGE
If you mean IPC standard classes, they demand class 3. Bye
Electronics Forum | Tue Dec 30 09:31:52 EST 2014 | rgduval
I've always approached it like this: Design your processes and perform your work to class three standards, and inspect to the standard that is acceptable. That is, all work should be performed to the highest degree of quality. When the work is ins
Electronics Forum | jandon |
Sat Jan 10 05:48:09 EST 2015
Electronics Forum | Tue Apr 14 08:58:45 EDT 2020 | emeto
Charge them double
Electronics Forum | Wed Apr 09 12:18:37 EDT 2003 | MA/NY DDave
Hi This is an excellent question or research project. I would call the IPC and find out if anyone has already done this work. My guess is that Class III should be slightly better, yet considering the application difference where Class III is used
Electronics Forum | Wed Oct 26 14:29:55 EDT 2005 | barryg
We have a class 3 assembly we will be doing soon and I was wandering since the fillet heighth required for class 3 is 50% more than class 2, should I have my stencil thickness increased from 6 mil. to 7 mil.? This assembly is made up of 31 mil. pitch
Electronics Forum | Mon Sep 26 10:58:37 EDT 2011 | dyoungquist
Basically in loose general terms: IPC class 1 is for consumer products that you discard when they break. IPC class 2 is for industrial products that last longer than class 1 products and you can repair when they break. IPC class 3 is for military
Electronics Forum | Thu Oct 27 07:57:35 EDT 2005 | Bob R.
Nearly all of our assemblies have to meet class 3 requirements and we regularly use 5 and 6 mil stencils. If you've got reasonably well controlled processes you won't have any trouble getting class 3 joints on QFPs and discretes.
