US Patent Issued to Western Digital Technologies on July 21 for "Read sensor with a layer having an adjustable etching rate" (California Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,867, issued on July 21, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).

"Read sensor with a layer having an adjustable etching rate" was invented by Yuankai Zheng (Fremont, Calif.), Chih-Ching Hu (Pleasanton, Calif.), Yung-Hung Wang (San Jose, Calif.), Anup Ghosh Roy (Fremont, Calif.), Guanxiong Li (Fremont, Calif.) and James Mac Freitag (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure generally relates to magnetic recording heads of magnetic recording devices. To protect and lubricate magnetic elements of the magnetic recording heads (e.g., reader sensors), a coating of carbon is applied...