US Patent Issued to Western Digital Technologies on Jan. 28 for "Hard disk drive multiple disk pack stacking structure" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,211,527, issued on Jan. 28, was assigned to Western Digital Technologies Inc. (San Jose, Calif.).

"Hard disk drive multiple disk pack stacking structure" was invented by Takashi Tomita (Yokohama, Japan) and Yasuhiro Sakata (Fujisawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-disk pack hard disk drive includes first and second spindle motor assemblies mounted one over the other on a base post. Each motor assembly may include a compact axial flux motor. The motor wiring for each may be routed within a structural cutout feature of the base post to an electrical connector at the base. A compact threaded disk clamp and motor hub interface ...