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:
Jul. 23, 2019
Filed:
Jan. 31, 2018
Showa Denko K.k., Tokyo, JP;
Kazuya Niwa, Ichihara, JP;
Tetsuya Kanbe, Ichihara, JP;
Yuji Murakami, Ichihara, JP;
Lei Zhang, Ichihara, JP;
Hisato Shibata, Ichihara, JP;
Takayuki Fukushima, Ichihara, JP;
Satoru Nakajima, Ichihara, JP;
Takehiro Yamaguchi, Ichihara, JP;
SHOWA DENKO K.K., Minato-ku, Tokyo, JP;
Abstract
The invention provides a magnetic recording medium with an excellent signal-to-noise ratio during reading by reducing the noise produced during writing of data onto the magnetic recording medium, and increasing the signal level. The assisted magnetic recording medium according to one embodiment comprising a substrate, a base layer, and a magnetic layer composed mainly of an alloy with an L1-type crystal structure, the assisted magnetic recording medium having a pinning layer in contact with the magnetic layer, and the pinning layer including Co or an alloy composed mainly of Co.