US Patent Issued to Seagate Technology on March 31 for "Heat assisted magnetic recording writer having a notched write pole" (Minnesota Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,249, issued on March 31, was assigned to Seagate Technology LLC (Fremont, Calif.).

"Heat assisted magnetic recording writer having a notched write pole" was invented by James G. Wessel (Savage, Minn.), Manish Kapoor (Minneapolis) and Jianhua Xue (Maple Grove, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described is a recording head that includes a notched write pole to enhance perpendicularity of the write pole field. The write pole notch is formed at the media-facing surface and the leading edge of the write pole. The write pole notch is filled with a non-magnetic metal. The recording head further includes a near field transducer located ...