LUMENA
Mark Identification

LUMENA

Serial Number

76634075

Filing Date

Mar 22, 2005

Trademark by

LITEL INSTRUMENTS

Classification Information

optical metrology product that provides an accurate measurement of the Numerical Aperture of a lithography tool and variation of same across the stepper or scanner exposure field, by utilizing an instrument that fits in a standard reticle/pellicle envelope, and a software package that processes the wafer images

Electrical and Scientific Apparatus