Nova Corporation

Misha Matusovsky

Shimon Yalov

Shachar Paz

Alex Shichtman

A method for optical metrology of a sample, the method may include illuminating areas of the sample by sets of pulses of different wavelengths, during a movement of a variable speed of the sample; collecting light reflected from the sample, as a result of the illuminating, to provide sets of frames, each set of frames comprises partially overlapping frames associated with the different wavelengths; and processing the frames to provide optical metrology results indicative of one or more evaluated parameters of elements of the areas of the sample; wherein the processing is based on a mapping between the sets of frames and reference measurements obtained by an other optical metrology process that exhibits a higher spectral resolution than a spectral resolution obtained by the illuminating and the collecting.

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Rehovot, Israel

Misha Matusovsky