Michel, Mu Analysis is a good company. You have to remember that an Auger is one mighty expensive piece of equipment to buy! I have mentioned SSW in a preceding e-mail as having Auger. They certainly do, and have a good reputation, but I do not know what their specific experience in this particular analysis is. Bev RIM -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Arbour, Michel Sent: September 21, 2005 12:32 PM To: [log in to unmask] Subject: Re: [TN] ENIG contaminant : Auger analysis recommended ? We have a quote at $1000Can at MuAnalysis in Ontario. I find this a bit pricey but if it is what it takes to nail down the issue then go for it.... If someones knows an alternative source with a good track record for this type of analysis testing in Canada... , pls let me know. Thanks for your help Michel -----Original Message----- From: John Parsons [mailto:[log in to unmask]] Sent: Wednesday, September 21, 2005 11:36 AM To: [log in to unmask] Subject: Re: [TN] ENIG contaminant : Auger analysis recommended ? Can anyone recommend any test labs in Canada or US capable of this type of analysis? John Parsons -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Lee parker Sent: Tuesday, September 20, 2005 7:31 PM To: [log in to unmask] Subject: Re: [TN] ENIG contaminant : Auger analysis recommended ? Michel Those who are familiar with Auger will tell you it is the method of choice for surface analysis. It only penetrates angstroms into the surface and you can sputter a controlled depth into the surface. The only issue I have ever encountered is the operator; you need an expert to operate the machine and interpret the results. Best regards Lee J. Lee Parker, Ph.D. JLP Consultants LLC 804 779 3389 ----- Original Message ----- From: Arbour, Michel<mailto:[log in to unmask]> To: [log in to unmask]<mailto:[log in to unmask]> Sent: Tuesday, September 20, 2005 5:11 PM Subject: [TN] ENIG contaminant : Auger analysis recommended ? Hi We will be sending non solderable PCB for analysis. Goal is to detect black nickel, black pad, soldermask contamination before plating or other contaminant. Is Auger analysis with ion sputtering (SAM) an effective method to determine the contaminants. Is this method proven and accepted in the PCB industry for this task ? 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