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:
Mar. 30, 2010

Filed:

May. 11, 2007
Applicants:

Sung-dong Suh, Seoul, KR;

Eun-hyoung Cho, Seoul, KR;

Jin-seung Sohn, Seoul, KR;

Hyun-jei Kim, Seoul, KR;

Inventors:

Sung-dong Suh, Seoul, KR;

Eun-hyoung Cho, Seoul, KR;

Jin-seung Sohn, Seoul, KR;

Hyun-jei Kim, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 11/00 (2006.01); G11B 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A heat-assisted magnetic recording head and a recording apparatus including the same are provided. The heat-assisted magnetic recording head includes a recording portion which produces magnetic field for recording information to a magnetic recording medium, and a waveguide which transmits light therethrough disposed to be adjacent to the recording portion and which emits the light toward the magnetic recording medium, wherein the waveguide comprises a light incident surface; a tapered portion having progressively narrower sections along the transmission direction of the light incident on the light incident surface and entering the waveguide; and a light-emitting surface which emits the light after the light is transmitted through the tapered portion.


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