US Patent Issued to WESTERN DIGITAL TECHNOLOGIES on May 13 for "Methods and apparatus for identifying substrates suitable for magnetic recording media" (Chinese, American Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,280, issued on May 13, was assigned to WESTERN DIGITAL TECHNOLOGIES INC. (San Jose, Calif.).

"Methods and apparatus for identifying substrates suitable for magnetic recording media" was invented by Shoji Suzuki (San Jose, Calif.), Tao Wang (Shenzhen, China) and Lulu Xiao (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus of identifying a substrate suitable for a magnetic medium of a data storage device configured for magnetic recording are described. In an aspect, the method includes determining a roll-off value, a ski-jump value, and a radial-waviness value, each associated with an outer diameter (OD) edge region ...