Hinner,

Typically, a regular DIMM/SIMM module is about 0.020
to 0.0500 THICK and 1.000" to 1.500" HEIGHT.

I was asking to find out if there is any common
standard for the Height (not thickness) increment.
i.e 0.125.  Because from my personal experience,
Layout Engineers from different company or different
school (even finally they work for the same company)
may layout a similar PCB at two different height, i.e
A regular 168 PIN DIMM 5.25 x 1.200 for one and 5.25 x
1.250 for another.

If it happens, manufacturing will be caught by
surprise.  They would not have tool and fixture for
the suprised board.  It would take us up to 4 weeks to
order a pricise tool for depanelization fixture for
our machines.

A standard increment in PCB height will help
manufacturing to be fully prepare for current and
future products.  I.e. tool and fixture for 1.000,
1.125, 1.250, 1.375, 1.500, etc set.

Please let us know if you have any expert advise or
opinion.

Thanks,

Stacy

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