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August 2012

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Subject:
From:
Larry Dzaugis <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Larry Dzaugis <[log in to unmask]>
Date:
Thu, 2 Aug 2012 09:16:32 -0500
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LED reflow:
Follow the component data sheet information to begin with.
Many can stand only 1 reflow pass.
Stencil aperture may require changing.
The flat bottom on many of these devices will cause paste to squeeze to the
center with typical openings.
Treat as a thick film resistor with a different pad size.
I changed one display board to reverse home plate last year, eliminating
the mid chp solder balls..

Larry Dzaugis


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