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:
Dec. 11, 2018
Filed:
Jul. 31, 2014
Seagate Technology Llc, Cupertino, CA (US);
Christopher Loren Platt, Fremont, CA (US);
Zhaohui Fan, Fremont, CA (US);
Samuel Lewis Tanaka, Fremont, CA (US);
Chun Wai Joseph Tong, San Jose, CA (US);
Thomas Larson Greenberg, Berkeley, CA (US);
Xiaoding Ma, Fremont, CA (US);
Seagate Technology LLC, Cupertino, CA (US);
Abstract
The embodiments disclose an apparatus including at least two carbon source deposition tools for emitting electrons, at least two reflective polarity rear button permanent magnets integrated into the carbon source deposition tools for reflecting emitted electrons, and at least two paired polarity Helmholtz coils integrated into the carbon source deposition tools for forming uniform parallel magnetic field lines for confining the emitted electrons to uniformly deposit carbon onto the surfaces of a two-sided media disk.