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US Patent 11921023 Holographic characterization of irregular particles

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Is a

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Laura A. Philips0

Annemarie Winters0

Fook Chiong Cheong0

David G. Grier0

Jesse J. Elliott0

Mary Ann Odete0

Date of Patent

March 5, 2024

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Patent Application Number

181484990

Date Filed

December 30, 2022

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Patent Primary Examiner

Michael A Lyons

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CPC Code

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G06T 2207/10016

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G06T 2207/10056

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Patent abstract

Holographic Video Microscopy analysis of non-spherical particles is disclosed herein. Properties of the particles are determined by application of light scattering theory to holography data. Effective sphere theory is applied to provide information regarding the reflective index of a sphere that includes a target particle. Known particles may be co-dispersed with unknown particles in a medium and the holographic video microscopy is used to determine properties, such as porosity, of the unknown particles.

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