LandOfFree - US Patents - Listing for Optics: measuring and testing

Optics: measuring and testing – By light interference – For dimensional measurement

Reticle focus measurement system using multiple...

Optics: measuring and testing – By alignment in lateral direction – With registration indicia

Reticle for a reduced projection exposure apparatus

Optics: measuring and testing – By configuration comparison – With object being compared and scale superimposed

Reticle for an object measurement system

Optics: measuring and testing – By alignment in lateral direction – With light detector

Reticle independent reticle stage calibration

Optics: measuring and testing – By alignment in lateral direction – With registration indicia

Reticle overlay correction

Optics: measuring and testing – By alignment in lateral direction – With registration indicia

Reticle pre-alignment apparatus and method thereof

Optics: measuring and testing – By configuration comparison – With object being compared and scale superimposed

Reticle projection system for video inspection apparatus

Optics: measuring and testing – By configuration comparison – With comparison to master – desired shape – or reference voltage

Reticle used in semiconductor device fabrication and a method fo

Optics: measuring and testing – Position or displacement – Position transverse to viewing axis

Reticle, apparatus for monitoring optical system, method for...

Optics: measuring and testing – Angle measuring or angular axial alignment – With photodetection remote from measured angle

Retro-reflective electro-optical angle measuring system

Optics: measuring and testing – Angle measuring or angular axial alignment – With photodetection remote from measured angle

Retro-reflective electro-optical angle measuring system

Optics: measuring and testing – Range or remote distance finding – With photodetection

Retro-reflective prism assembly

Optics: measuring and testing – Of light reflection

Retroluminometer

Optics: measuring and testing – Lens or reflective image former testing – For optical transfer function

Retroreflectance measurement system

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer

Retroreflected antilocking feedback

Optics: measuring and testing – Refraction testing – Schlieren effect

Retroreflection focusing schlieren system

Optics: measuring and testing – Of light reflection

Retroreflective systems for remote readout

Optics: measuring and testing – Of light reflection

Retroreflectometer

Optics: measuring and testing – Of light reflection

Retroreflectometer and method for measuring retroreflectivity of