US Patent Issued to Western Digital Technologies on Oct. 7 for "Glass sheet for fabricating magnetic recording media and method of fabricating magnetic recording media" (California Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,437,781, issued on Oct. 7, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).

"Glass sheet for fabricating magnetic recording media and method of fabricating magnetic recording media" was invented by Shoji Suzuki (San Jose, Calif.) and Mary Grace Shieh (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A glass sheet configured to be cut into glass substrates for magnetic recording disks is described. The glass sheet includes a first surface. For surface features of the first surface with a feature wavelength of 60 to 500 micrometers (micro metre), a root mean square of a surface topography of the surface features determin...