US Patent Issued to TOPPAN on Dec. 30 for "Pellicle membrane, pellicle, membrane, graphene sheet, and method for producing the graphene sheet" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,820, issued on Dec. 30, was assigned to TOPPAN INC. (Tokyo).

"Pellicle membrane, pellicle, membrane, graphene sheet, and method for producing the graphene sheet" was invented by Naoya Takada (Tokyo), Kazunori Seki (Tokyo) and Yutaka Kodera (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A technique that enables production of pellicle membranes that are better resistant to breakage when subjected to force exerted thereon in the thickness direction thereof and that have high transmittance to light. A pellicle membrane of the present invention includes a plurality of laminated layers, where at least one of the layers is provided with at least one...