US Patent Issued to Western Digital Technologies on Aug. 4 for "Double-mask near-field transducer (NFT) and method thereof" (California Inventor)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,423, issued on Aug. 4, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).

"Double-mask near-field transducer (NFT) and method thereof" was invented by Serdar Yavuz (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A double mask process may be used to define layers of a near field transducer (NFT) to enable independent control over each layer. Controlling critical features of the NFT, including the apex width, taper angles, and flare angles is important for achieving desired areal density capabilities (ADC) of heat-assisted magnetic recording (HAMR) devices. By using a first mask to define a first layer of the NFT ...