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July 2009

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Subject:
Re: FORMULA FOR DETERMINING GOLD PERCENTAGE IN A SOLDER JOINT
From:
Victor Hernandez <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Wed, 29 Jul 2009 09:54:29 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (1 lines) 
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 [mailto:[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?  Appreciate any

help, Jon



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