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FILMETRICS INC

US12 patents

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US6204922B1Mar 20, 2001

Rapid and accurate thin film measurement of individual layers in a multi-layered or patterned sample

FILMETRICS INC216 citations98
US6172756B1Jan 9, 2001

Rapid and accurate end point detection in a noisy environment

FILMETRICS INC188 citations98
US6184985B1Feb 6, 2001

Spectrometer configured to provide simultaneous multiple intensity spectra from independent light sources

FILMETRICS INC68 citations95
US7151609B2Dec 19, 2006

Determining wafer orientation in spectral imaging

FILMETRICS INC30 citations92
US7095511B2Aug 22, 2006

Method and apparatus for high-speed thickness mapping of patterned thin films

FILMETRICS INC21 citations92
US10247605B2Apr 2, 2019

Automatic real-time wavelength calibration of fiber-optic-based spectrometers

FILMETRICS INC3 citations72
US7502119B2Mar 10, 2009

Thin-film metrology using spectral reflectance with an intermediate in-line reference

FILMETRICS INC5 citations62
US11099068B2Aug 24, 2021

Optical instrumentation including a spatially variable filter

FILMETRICS INC0 citations51
US10571615B2Feb 25, 2020

High-lifetime broadband light source for low-power applications

FILMETRICS INC0 citations51
US8908177B2Dec 9, 2014

Correction of second-order diffraction effects in fiber-optic-based spectrometers

FILMETRICS INC1 citations51
US10724900B2Jul 28, 2020

Determining focus condition in spectral reflectance system

FILMETRICS INC0 citations41
US10620420B2Apr 14, 2020

Optical system for use with microscope

FILMETRICS INC0 citations41