ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,782, issued on April 21, was assigned to Applied Materials Inc. (Santa Clara, Calif.).

"Air-gap encapsulation of nanostructured optical devices" was invented by Sage Toko Garrett Doshay (Saratoga, Calif.), Kenichi Ohno (Sunnyvale, Calif.), Rutger Meyer Timmerman Thijssen (Sunnyvale, Calif.), Russell Chin Yee Teo (Palo Alto, Calif.) and Jinrui Guo (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments described herein relate to encapsulated optical devices and methods of forming optical devices with controllable air-gapped encapsulation. In one embodiment, a plurality of openings are formed in a support layer surrounding the pl...