The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 24, 2012
Filed:
Jun. 24, 2008
Haiwen Xi, Prior Lake, MN (US);
Xiaobin Wang, Chanhassen, MN (US);
Dimitar V. Dimitrov, Edina, MN (US);
Paul E. Anderson, Eden Prairie, MN (US);
Harry Liu, Maple Grove, MN (US);
Song S. Xue, Edina, MN (US);
Andreas Roelofs, Eden Prairie, MN (US);
Markus Siegert, Minneapolis, MN (US);
Haiwen Xi, Prior Lake, MN (US);
Xiaobin Wang, Chanhassen, MN (US);
Dimitar V. Dimitrov, Edina, MN (US);
Paul E. Anderson, Eden Prairie, MN (US);
Harry Liu, Maple Grove, MN (US);
Song S. Xue, Edina, MN (US);
Andreas Roelofs, Eden Prairie, MN (US);
Markus Siegert, Minneapolis, MN (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
Magnetic shift registers in which data writing and reading is accomplished by moving the magnetic domain walls by electric current. Various embodiments of domain wall nodes or anchors that stabilize a domain wall are provided. In some embodiments, the wall anchors are elements separate from the magnetic track. In other embodiments, the wall anchors are disturbances in the physical configuration of the magnetic track. In still other embodiments, the wall anchors are disturbances in the material of the magnetic track.