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.

Date of Patent:
Dec. 22, 2020

Filed:

May. 11, 2017
Applicant:

Sony Corporation, Tokyo, JP;

Inventors:

Eiji Nakashio, Miyagi, JP;

Yuta Akimoto, Miyagi, JP;

Tomoe Sato, Miyagi, JP;

Yoichi Kanemaki, Miyagi, JP;

Nobuyuki Sasaki, Miyagi, JP;

Masaru Terakawa, Miyagi, JP;

Kazuya Hashimoto, Miyagi, JP;

Katsunori Maeshima, Miyagi, JP;

Minoru Yamaga, Miyagi, JP;

Hikaru Terui, Miyagi, JP;

Hiroyuki Kobayashi, Tochigi, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/73 (2006.01); G11B 5/735 (2006.01); G11B 5/78 (2006.01); B32B 7/02 (2019.01);
U.S. Cl.
CPC ...
G11B 5/7369 (2019.05); B32B 7/02 (2013.01); G11B 5/735 (2013.01); G11B 5/78 (2013.01); B32B 2307/734 (2013.01);
Abstract

A magnetic recording medium according to a first technique includes an elongated substrate having a first surface and a second surface, a first reinforcing layer disposed on the first surface, a second reinforcing layer disposed on the second surface, an adhesion suppressing layer disposed on the second reinforcing layer, and a recording layer disposed on the first reinforcing layer or the adhesion suppressing layer.


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