Hi Mohammend,

How about cross-sectional SEM?

Yours sincerely,

Isaac Chan, Ph.D.
University of Waterloo

On Thu, 9 Jun 2005, mohammed ashraf wrote:

> I am trying trying to measure the contact angle of reflowed micro lenses
> with spherical aperture shape.The aperture  diameter varies from 50 micron
> to 700 micron,and surface undulation is 10 micron.I have tried using
> FTA200,Surface Profilometer,and Interferrometric techniques.I am not
> satisfied with the results.Can somebody suggest a better technique ?