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:
Apr. 25, 2006
Filed:
Apr. 16, 2002
Manabu Oumi, Chiba, JP;
Nobuyuki Kasama, Chiba, JP;
Hidetaka Maeda, Chiba, JP;
Kenji Kato, Chiba, JP;
Yoko Shinohara, Chiba, JP;
Takashi Niwa, Chiba, JP;
Yasuyuki Mitsuoka, Chiba, JP;
Manabu Oumi, Chiba, JP;
Nobuyuki Kasama, Chiba, JP;
Hidetaka Maeda, Chiba, JP;
Kenji Kato, Chiba, JP;
Yoko Shinohara, Chiba, JP;
Takashi Niwa, Chiba, JP;
Yasuyuki Mitsuoka, Chiba, JP;
Seiko Instruments Inc., Chiba, JP;
Abstract
A near-field light-generating element has a support member and a minute aperture having a size smaller than the wavelength of incident light provided on the support member so as to produce near-field light in response to incident light directed thereto. The minute aperture has a contour in a given plane with one side lying along a line perpendicular to a direction of polarization of the incident light and an opposite side in the given plane defining an apex.