Electronics Forum: reel

Inspection and splicing

Electronics Forum | Thu Oct 04 13:25:17 EDT 2007 | richards

Good point

Flexi boards and uBGA

Electronics Forum | Tue Jul 11 11:18:06 EDT 2006 | dougs

Thats a good point SWAG, i'll look into that for the next run of these. cheers

Distributed Test and inspection

Electronics Forum | Fri Feb 14 11:45:11 EST 2003 | SV

I was wondering if you guys had any experience with a distributed coverage Test and inspection strategy (Awaretest Xi) and could point me to technical studies in the field. thanks

SPC and Wave

Electronics Forum | Thu Jul 14 10:00:21 EDT 2005 | chunks

Any one using SPC to monitor their wave solder process? My point is collecting defects and using a scatter plot is useful but only after a problem occurs. SPC's true function is to warn of impending problems that are about to occur. Can SPC really

Tg and reflow

Electronics Forum | Mon Dec 19 12:21:09 EST 2005 | Amol Kane

from what i know, Tg is important from thermal stresses point of view. board warpage increases greately when Tg is exceed

Imm Silver and Voiding

Electronics Forum | Thu Jun 22 00:16:24 EDT 2006 | Gman

Hello, Has anyone had issues with voiding while using Imm Silver PCB finish. Does thickness of silver, contamination of the plating bath or other factors if you come point out cause voids due to the plating.

Headers and SMT

Electronics Forum | Tue Sep 29 10:53:42 EDT 2015 | marlyn

Hey there fellow people with SMT issues... What's the proper procedure for soldering through-hole headers on the back-side of the PCB (pins poking out on same side as SMT parts)? ( Yes - I did the SMT side first and am now faced with LOTS of pin-poin

PCB Thickness and BLR

Electronics Forum | Wed Jul 24 09:54:49 EDT 2019 | amitthepcbguy

Typically, the reliability of PCBs suffers significantly due to the increase in aspect ratio. It is not preferred to opt for high thickness boards. However, I would like to point out that your assumption seems to be wrong as board layers do not direc

Tg and reflow

Electronics Forum | Fri Dec 16 18:37:10 EST 2005 | mdemos1

Hi. I am trying to understand Tg and how it relates to reflow. With the higher temperatures of lead free, we have been looking toward laminates with a Tg of 180 instead of the current 140. My question is a little more general. In either lead free

Cp and Cpk values

Electronics Forum | Tue Mar 04 17:47:19 EST 2003 | msivigny

Hello EW, thanks for your input, the data collection for measurements such as these can get confusing because you're calculating deviations from set point location to actual placement location and then analyzing the full result. Then there are many o

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