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:
Sep. 10, 2024
Filed:
Mar. 23, 2023
Fujifilm Corporation, Tokyo, JP;
Tetsuya Kaneko, Minamiashigara, JP;
Kento Nishimura, Minamiashigara, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
Provided are a magnetic recording heading having a magnetic film including a write gap, in which in the write gap, a recording surface-side gap width is narrower than a back surface-side gap width, and the write gap has an opening portion formed by ion beam processing at a gap end portion on a recording surface side, a magnetic recording apparatus including the magnetic recording head, a manufacturing method of the magnetic recording head, and a manufacturing method of a magnetic recording medium having a servo pattern, including forming a servo pattern on the magnetic recording medium by the magnetic recording head.