Mark Identification

PAS

Serial Number

74139934

Filing Date

Feb 19, 1991

Registration Date

Nov 26, 1991

Trademark by

THERMA-WAVE INC.

Classification Information

computer program for use with a device for measuring parameters of semiconductor wafers, including metal thickness and deposit monitoring, noncontact resistivity monitoring, grain structure monitoring, dielectric film thickness and RIE/plasma etch damage minimization

Electrical and Scientific Apparatus