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:
Jul. 13, 2010
Filed:
Mar. 13, 2007
Naoki Nishida, Kusatsu, JP;
Hiroaki Ueda, Suita, JP;
Manami Kuiseko, Kyoto, JP;
Koujirou Sekine, Ibaraki, JP;
Kenji Konno, Sakai, JP;
Masahiro Okitsu, Higashiosaka, JP;
Hiroshi Hatano, Takatsuki, JP;
Naoki Nishida, Kusatsu, JP;
Hiroaki Ueda, Suita, JP;
Manami Kuiseko, Kyoto, JP;
Koujirou Sekine, Ibaraki, JP;
Kenji Konno, Sakai, JP;
Masahiro Okitsu, Higashiosaka, JP;
Hiroshi Hatano, Takatsuki, JP;
Konica Minolta Opto, Inc., Tokyo, JP;
Abstract
A recorder has a recording head which uses light for information recording to a recording medium. The recording head has a slider and an optical waveguide. The slider moves relative to the recording medium while floating thereon. The optical waveguide is provided in the slider and has a refractive index difference of 20% or more between a core and a cladding.