Hello,

        I need a production line method for measuring thickness of a
~2000Ang thick OSP coating.  There are the familiar UV and SERA
approaches, but I would like to find something else.  Has anyone tried
an instrument called FilmTek 3000 by SCI?  It uses the reflectance and
absorption characteristics of thin films to measure thickness.
Alternatively, does anyone have experience with a different direct
method for monitoring OSP thickness?  Please reply to me if you have
experience with this, and thanks in advance!

Ashley Predith
Failure Analysis Center
Intel Corporation

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