US Patent Issued to NALUX on July 28 for "Method of producing mold for microlens array through cutting" (Japanese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,451, issued on July 28, was assigned to NALUX Co. LTD. (Osaka, Japan).

"Method of producing mold for microlens array through cutting" was invented by Yukinobu Nishio (Osaka, Japan), Toshiki Hamatani (Osaka, Japan) and Tomohito Kuwagaito (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of producing a mold for a microlens array with a cutting tool rotating around a rotation axis, microlenses having the substantially same shapes. A z-axis of an (x, y, z) coordinate system is in the direction of the central axis of a surface of the mold. The method includes the steps of cutting a surface of the mold while each of angle Theta between...