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Subject:	Re: Leadfree Processing temp requirement
From:	[log in to unmask]
Reply To:	(Leadfree Electronics Assembly Forum)
Date:	Wed, 12 Oct 2005 22:53:04 EDT
Content-Type:	text/plain
Parts/Attachments:	text/plain (21 lines)

Rick,

This is a little off the original subject but I was interested to note your
distinction between melting temperature and wetting temperature.    I agree
that is an important point and I wonder how you got your estimate of 235/7C for
the wetting temperature of the SAC305.  I suspect that for the high-tin
lead-free solders "wetting temperature" is not strongly related to the melting
temperature of the alloy but I have only anecdotal evidence to support that view.

Thanks
Keith Sweatman
Nihon Superior Co., Ltd.

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