Maintaining Desired Spacing Between Record Carrier And Head {g11b 15/62} Patents and Patent Applications (Class G9B/15.082) - Justia Patents Search

Maintaining Desired Spacing Between Record Carrier And Head {g11b 15/62} Patents (Class G9B/15.082)

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By fluid-dynamic spacing {g11b 15/64} (Class G9B/15.083)

SOLID IMMERSION LENS AND FOCUSING LENS, OPTICAL PICKUP DEVICE, AND DATA RECORDING/REPRODUCING APPARATUS USING THE SAME

Publication number: 20090135712

Abstract: A solid immersion lens (SIL) is provided. The SIL includes a spherical part, a cone-shaped part, a tip part, and an edge part between the cone-shaped part and the tip part. The edge part includes a curved surface.

Type: Application

Filed: November 11, 2008

Publication date: May 28, 2009

Applicant: Sony Corporation

Inventors: SunMin Kim, Tsutomu Ishimoto, Takao Kondo, Ariyoshi Nakaoki