US Patent Issued to University of Pittsburgh-Of The Commonwealth System of Higher on Feb. 24 for "Systems and methods for photopolymerization based additive manufacturing enabled by multiple-wavelength irradiations" (Illinois Inventor)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,837, issued on Feb. 24, was assigned to University of Pittsburgh-Of The Commonwealth System of Higher (Pittsburgh).

"Systems and methods for photopolymerization based additive manufacturing enabled by multiple-wavelength irradiations" was invented by Xiayun Zhao (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for single photon absorption based vat photopolymerization additive manufacturing with photoinhibition induced curb and photoexcitation induced cure (SPA2CurbCure), comprising: a build chamber; a two-wavelength projection irradiation unit delivering a patterned photo-curbing exposure mask and a patterned photo-curing exposure m...