Inventor · Wetzlar, DE

Lambert Danner

16Patents
6h-index
27Co-inventors
66Inventor score

Filing activity: Nov 16, 1981 → Feb 14, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US6600560B2 Optical measurement arrangement having an ellipsometer Physics 34 Expired
US7271889B2 Device and method for inspecting an object Physics 19 Expired
US6879440B2 Autofocus module and method for a microscope-based system Physics 15 Expired
US6624930B1 Illumination device for a DUV microscope and DUV microscope Physics 15 Expired
US8154718B2 Apparatus and method for inspecting micro-structured devices on a semiconductor substrate Physics 12 Expired
US9091525B2 Method for focusing an object plane and optical assembly Physics 8 Active
US7420670B2 Measuring instrument and method for operating a measuring instrument for optical inspection of an object Physics 5 Expired
US4417787A Five-component microscope objective Physics 4 Expired
US6975409B2 Illumination device; and coordinate measuring instrument having an illumination device Physics 3 Expired
US6618154B2 Optical measurement arrangement, in particular for layer thickness measurement Physics 3 Expired
US7268940B2 Illuminating device Physics 2 Expired
US7209243B2 Illumination device, and coordinate measuring instrument having an illumination device Physics 2 Expired
US8451440B2 Apparatus for the optical inspection of wafers Physics 2 Active
US4384765A Six-component microscope objective Physics 1 Expired
US6943901B2 Critical dimension measuring instrument Physics 0 Expired
US7561263B2 Apparatus for illuminating and inspecting a surface Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.