Electronics Forum | Tue Jun 26 12:39:08 EDT 2001 | danial
Our mother company shipped to us a lot of old datecode material and upon running them in the line we experienced non-wetting condition, esplly on the 0402 ( not tombstone ) We have run a dip-and-look test but I guess the method is very subjective as
Electronics Forum | Tue Jun 26 19:59:08 EDT 2001 | davef
They always tell you to calculate ROI, when they want to blow you off. Do a net search using - calculate ROI. Links to three pretty good descriptions on this are: http://www.dmreview.com/editorial/dmreview/print_action.cfm?EdID=2487 http://www.eval
Electronics Forum | Fri Jun 29 05:50:27 EDT 2001 | nifhail
Thank Dave, your information was really helpful. Now that I have another few thousands of old datecode PCBs which has an Entek and HASL finished. Entek PCBs are about 6 � 1.5 years old and HASL boards are at 1 - 2 years old. To make it worse, s
Electronics Forum | Fri May 20 08:04:30 EDT 2016 | milroy
Hi All I have a need to calculate the Aperture area in a stencil with in a very short time without going in to a CAD viewer. I need that when I insert solder paste file in to a certain software application and that application software calculate the
Electronics Forum | Fri Feb 03 18:57:39 EST 2006 | bayanbaru
I am task to make productivity improvement for production. The line configuration is as follow: MPM Printer/S20/S20/S20/S20/GSM/GSM/MVT/BTU How to calculate the capacity of the above configuration? What factors do I need to consider?
Electronics Forum | Mon Jun 06 18:48:04 EDT 2016 | jlawson
Valor mss process preparaton has a stencil tool module that can do just what you want as well as alarm you if for a defined thickness what apertures need attention Is template driven so can save your stencil processing and settings.. Is powerful to
Electronics Forum | Mon Feb 06 04:18:03 EST 2006 | Rob
Get a stopwatch & time your functions to see which is the slowest. I am guessing it's going to be the oven, printer (if using paste inspection) or the AOI. If you are talking the average or optimum speed in CPH, that would depend on the type of b
Electronics Forum | Thu Jun 02 08:33:42 EDT 2016 | emeto
I usually get a excel or word file from my stencil house with all the data you need. It give you aperture sizes, volume and Aspect Area ratio... DCode Shape X-Size Y-Size Pitch Volume Area Ratio Aspect Ratio Qty D1
Electronics Forum | Mon Jul 06 18:00:16 EDT 2015 | jwqc
Does any one know how to calculate BGA height change after reflow oven? I guess the calculation will be based on the component size, weight, ball diameter and ball count of the BGA, but how to get the actual height?
Electronics Forum | Wed Mar 21 01:03:44 EDT 2007 | kero
Pls advise me how to calculation of smt cost / shot, key performance point of smt production.
