US Patent Issued to Western Digital Technologies on March 4 for "Dual free layer read head having recessed sidewall insulator layer and method of making thereof" (California Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,243,565, issued on March 4, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).

"Dual free layer read head having recessed sidewall insulator layer and method of making thereof" was invented by Chih-Ching Hu (Pleasanton, Calif.), Yung-Hung Wang (San Jose, Calif.), Ming Mao (Dublin, Calif.), Ming Jiang (San Jose, Calif.), Yukimasa Okada (Cupertino, Calif.) and Goncalo Baiao de Albuquerque (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A two-dimensional magnetic recording (TDMR) read head includes a lower reader and an upper reader. Each of the lower reader and the upper reader may have a dual free layer (DFL) magnetic ...