Patent assignee · US · COMPANY

TIMBRE TECHNOLOGIES, INC.

72Patents
16Active
72Granted
50Portfolio score

Filing activity: Nov 28, 2000 → Oct 20, 2021 · 14 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6785638B2 Method and system of dynamic learning through a regression-based library generation process Physics 166 Expired
US6943900B2 Generation of a library of periodic grating diffraction signals Physics 122 Expired
US6699624B2 Grating test patterns and methods for overlay metrology Physics 117 Expired
US6772084B2 Overlay measurements using periodic gratings Physics 115 Expired
US6891626B2 Caching of intra-layer calculations for rapid rigorous coupled-wave analyses Physics 104 Expired
US6608690B2 Optical profilometry of additional-material deviations in a periodic grating Physics 92 Expired
US6768983B1 System and method for real-time library generation of grating profiles Physics 88 Expired
US6721691B2 Metrology hardware specification using a hardware simulator Physics 84 Expired
US6609086B1 Profile refinement for integrated circuit metrology Physics 54 Expired
US7072049B2 Model optimization for structures with additional materials Physics 37 Expired
US7092110B2 Optimized model and parameter selection for optical metrology Physics 36 Expired
US7126700B2 Parametric optimization of optical metrology model Physics 34 Expired
US6792328B2 Metrology diffraction signal adaptation for tool-to-tool matching Electricity 34 Expired
US7330279B2 Model and parameter selection for optical metrology Physics 33 Expired
US7280229B2 Examining a structure formed on a semiconductor wafer using machine learning systems Physics 31 Expired
US7031894B2 Generating a library of simulated-diffraction signals and hypothetical profiles of periodic gratings Physics 31 Expired
US7065423B2 Optical metrology model optimization for process control Physics 30 Expired
US7064829B2 Generic interface for an optical metrology system Physics 28 Expired
US7224471B2 Azimuthal scanning of a structure formed on a semiconductor wafer Physics 27 Expired
US7171284B2 Optical metrology model optimization based on goals Physics 27 Expired
US6804005B2 Overlay measurements using zero-order cross polarization measurements Physics 26 Expired
US6636843B2 System and method for grating profile classification Emerging Cross-Sectional Technologies 25 Expired
US6775015B2 Optical metrology of single features Physics 24 Expired
US7046375B2 Edge roughness measurement in optical metrology Physics 23 Expired
US6791679B2 Adaptive correlation of pattern resist structures using optical metrology Emerging Cross-Sectional Technologies 21 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.