US Patent Issued on June 30 for "Methods of fabricating infrared bandpass filters and infrared bandpass filters fabricated thereby" (Indiana, Ohio Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,033, issued on June 30.

"Methods of fabricating infrared bandpass filters and infrared bandpass filters fabricated thereby" was invented by Chi Hwan Lee (West Lafayette, Ind.), Bongjoong Kim (West Lafayette, Ind.), Zahyun Ku (Beavercreek, Ohio), Augustine Urbas (Oakwood, Ohio) and Jehwan Hwang (West Lafayette, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of fabricating infrared bandpass filters and infrared bandpass filters fabricated thereby. The methods include forming metallic and dielectric spacer layers on a mold that defines nanoscale-sized recesses or protuberances, depositing a stress-absorbing layer on the dielectric spacer l...