US Patent Issued to Headway Technologies on Oct. 14 for "Parabolic shaped plasmonic waveguide blocker for heat assisted recording head" (American, Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,436, issued on Oct. 14, was assigned to Headway Technologies Inc. (Milpitas, Calif.).

"Parabolic shaped plasmonic waveguide blocker for heat assisted recording head" was invented by Hong Guo (Fremont, Calif.), Dayu Zhou (Fremont, Calif.), Tobias Maletzky (San Jose, Calif.), Weihao Xu (San Jose, Calif.), Koji Shimazawa (Cupertino, Calif.) and Tsutomu Chou (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present embodiments relate to a near-field transducer (NFT) for a hard disk drive write head with a parabolic waveguide blocker. The waveguide blocker can include a parabolic curved surface in a center portion of a first side of the wa...