Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
In-oh Hwang0
In-sik Park0
Date of Patent
March 25, 2008
0Patent Application Number
106718650
Date Filed
September 29, 2003
0Patent Primary Examiner
Patent abstract
A high-density readable only optical disk with a large storage capacity includes a substrate with pits, and one or more mask layers with a super resolution near field structure, which are made of a mixture of a dielectric material and metal particles. The optical disk can be obtained without decreasing the wavelength of a laser diode or increasing the numerical aperture of an objective lens.
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