On Tue, 21 Jan 2003, Olin Lathrop wrote:

*>Many manufacturers have suggested pad layouts.  You could look at some
*>other manufacturer's suggestions for 800nm SMD.  I like to make the pads
*>about as wide as the pins.  These pins are 380nm nominal, with 800nm
*>pitch.  I'd make the pads 400nm wide with 400nm spaces.  For machine
*>placement, the length only needs to be a little longer than the worst case
*>range between pin contact limits.  For hand soldering, it helps to have
*>each pad extend out from the device a little further.  That gives you more
*>room to put the soldering iron, and leaves space for a nicely visible
*>bead.

Were those not supposed to be micron units (um), instead of nm (1000 times
smaller than um) ? I guess you wanted to say 0.8mm, 0.38mm etc ?

Peter

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