US Patent Issued to Western Digital Technologies on Sept. 30 for "Rotating electromagnet for removable disk clamp" (American, Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,162, issued on Sept. 30, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).

"Rotating electromagnet for removable disk clamp" was invented by Jim Malina (Irvine, Calif.), Toshiki Hirano (San Jose, Calif.), Robert P. Ryan (Mission Viejo, Calif.), Tim R. Glassburn (San Jose, Calif.) and Keishi Takahashi (Fujisawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A disk retention system includes a spindle motor assembly with a spindle motor and an electromagnet retainer coupled and rotatable therewith, and a disk media assembly including a disk medium and a ferromagnetic material coupled therewith, whereby the disk is retained o...