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. 15, 2009
Filed:
Jan. 05, 2006
Takanobu Higuchi, Tsurugashima, JP;
Takanobu Higuchi, Tsurugashima, JP;
Pioneer Corporation, Tokyo, JP;
Abstract
A magnetic head for use in a magnetic recording apparatus for magnetically recording information in a state of heating and elevating the temperature of a recording portion of a recording medium by emitting electrons to the recording medium, the magnetic head including a recording magnetic pole having a magnetic surface opposed to the recording medium, and supplying a magnetic flux to the recording medium and an electron emitting source formed in the recording magnetic pole. The electron emitting source has a concave portion having an opening formed in the recording magnetic pole and open to the recording magnetic pole surface and a bundle of a plurality of carbon nanotubes each extending from the bottom to the opening of the concave portion.