Werner, just read this after my last email to you. Thank you, Jon -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Werner Engelmaier /* Sent: Wednesday, July 29, 2009 11:24 AM To: [log in to unmask] Subject: Re: [TN] FORMULA FOR DETERMINING GOLD PERCENTAGE IN A SOLDER JOINT Sorry, should have been Gold-Embrittlement 'Calculator' at M. Lau & T. Clifford, "Lockheed Martin Gold Calculator.xls," see: http://circuitsassembly.com/cms/content/view/3630/95/ Werner -----Original Message----- From: Victor Hernandez <[log in to unmask]> To: [log in to unmask] Sent: Wed, Jul 29, 2009 10:54 am Subject: Re: [TN] FORMULA FOR DETERMINING GOLD PERCENTAGE IN A SOLDER JOINT Unable to open provided URL address. Perhaps a block at my employer. Victor, -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Werner Engelmaier /* Sent: Wednesday, July 29, 2009 9:50 AM To: [log in to unmask] Subject: Re: [TN] FORMULA FOR DETERMINING GOLD PERCENTAGE IN A SOLDER JOINT There is something called a Gold-Embrittlement 'Calculator' at M. Lau & T. Clifford, "Lockheed Martin Gold Calculator.xls," see: http://circuitassembly.com/cms/content/view/3630/95/ Werner -----Original Message----- From: Steven Creswick <[log in to unmask]> To: [log in to unmask] Sent: Wed, Jul 29, 2009 10:31 am Subject: Re: [TN] FORMULA FOR DETERMINING GOLD PERCENTAGE IN A SOLDER JOINT Guy, You might try to contact Steve Z and see if he has the time to drop it into his site. I'm sure that it can't be all that large of a spreadsheet. Possibly it is already buried there somewhere. I just took a quick peek and did not see something in that line of thought. Steve C -----Original Message----- From: TechNet [mail to:[log in to unmask]] On Behalf Of Guy Ramsey Sent: Wednesday, July 29, 2009 10:23 AM To: [log in to unmask] Subject: Re: [TN] FORMULA FOR DETERMINING GOLD PERCENTAGE IN A SOLDER JOINT Technet does not allow attachments but I have a spreadsheet that I picked up from someone on Technet. It is dated 6/21/06. -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Roberts, Jon (SA-1) Sent: Tuesday, July 28, 2009 8:54 AM To: [log in to unmask] Subject: [TN] FORMULA FOR DETERMINING GOLD PERCENTAGE IN A SOLDER JOINT Does anyone have or know where to find the formula for determining the amount of percentage of gold in a SMT solder joint? 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