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Subject:	Re: Accelerated Thermal Cycle Profile
From:	David Delman <[log in to unmask]>
Reply To:	(Leadfree Electronics Assembly Forum)
Date:	Fri, 1 Aug 2003 23:33:27 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (26 lines)

Hi Werner,

Thanks,

By now I have seen quite a bit of ATC presentations for Lead Free and I am
a bit surprised that this is the first time I have read about a soak or
dwell time at each temperature extreme. Most have reported that they just
go up and then back down in temperature. 30minutes up and 30 minutes down,
thus 24 cycles a day across the range they have selected seems quite common.

Any comments??

Have you also seen this type ATC procedure?


YiEngr, MA/NY DDave

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