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September 2018

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TechNet <[log in to unmask]>
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TechNet E-Mail Forum <[log in to unmask]>, "Gumpert, Ben" <[log in to unmask]>
Date:
Thu, 20 Sep 2018 09:39:27 -0400
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TechNet E-Mail Forum <[log in to unmask]>, Yuan-chia Joyce Koo <[log in to unmask]>
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Subject:
Re: High Temp SnPb solder
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Yuan-chia Joyce Koo <[log in to unmask]>
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the table listed most of solder you want  to know.
https://en.wikipedia.org/wiki/Solder

On Sep 20, 2018, at 7:40 AM, Gumpert, Ben wrote:

> TechNetters,
>
> J-STD-006 has a series of 'high temp' SnPb alloys (some with Ag)  
> that are close in SOL/LIQ temps. I'm familiar with Sn10Pb90 as a  
> common high-temp ball on ceramic BGAs, but I haven't seen the  
> others used. Are there any differences (e.g. mechanical properties)  
> among these that would drive selection, other than the SOL/LIQ?
> Are some alloys more readily available than others?
>
> Ben

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