Electronics Forum | Tue Jan 13 12:02:38 EST 2004 | blnorman
We're changing solder bar and wire suppliers and are running impurity tests. Is there an IPC standard that lists acceptable limits for ultra pure, pure, solders for metallic and non-metallic impurities? What is the preferred method to test? We've
Electronics Forum | Wed Jul 14 21:14:58 EDT 2021 | mekmat544
Hello, I would lke to ask you about one issue. I am finding maximal level of impurity in solder pot with solder Sn99Cu1. I have limits for pure (delivered) solder, but I can not find limit for solder in pot in process. Could you help me where I can f
Electronics Forum | Fri Jan 16 15:31:26 EST 2004 | davef
Bill This drives solder suppliers nuts, because it's not analytic: Dross inclusion testing can be conducted on the base solder in the solder pot and the virgin solder. Conduct this test by heating a sample of solder, contained in a clear beaker,
Electronics Forum | Tue Feb 08 04:27:55 EST 2011 | thomas111
hi, I am a Hardware designer . One of my products is undergoing a Reliability test in which a resistor shows a high value on board from its specified value .However it retains the original value when its cooled under room temperature. The resistor
Electronics Forum | Tue Nov 30 11:43:02 EST 1999 | Wolfgang Busko
Where should this lab be, means where�s your place, you wouldn�t like to send your boards elsewhere on earth? Wolfgang
Electronics Forum | Tue Nov 30 16:14:27 EST 1999 | Glenn Robertson
Bob - Try John Maxwell at (719) 687-6911. I have seen him do some presentations at the trade shows. Glenn Robertson
Electronics Forum | Tue Nov 30 16:53:57 EST 1999 | Dave F
Bob: consider two thing: 1 Most board fabs have PCB sectioning capabilities 2 Consultants Council Matrix (http://www.ipc.org/html/fsresources.htm) lists consultants that may be able to help you. Ta Dave F
Electronics Forum | Sun Dec 05 22:51:56 EST 1999 | dreamsniper
Just contact any PCB fab near your area/country or wherever your manufacturing site is located and ask them if they could help you with your problems...they should be able to do that...
Electronics Forum | Thu Oct 26 17:58:49 EDT 2000 | Dave F
Steve: You make sense, but I don�t see where someone that's getting fitted for a cross is in much of a bargaining position. Oh, and you MUST charge full market 2� rates for your thoughts. We�ll have no submarket price offerings. Although, the Fai
Electronics Forum | Mon Nov 15 13:38:35 EST 1999 | Dave F
Tuan: Many people develop spreadsheets to represent their processes and costs. Also, check out CostCoach at http://www.costcoach.com, it may be just what you need. It was developed by Phil Zarrow, Ron Lasky of MPM, Dr. Dan Baldwin of Georgia Tech a
