Solid immersion lens, condensing lens, optical pickup...

Details Solid immersion lens, condensing lens, optical pickup... Solid immersion lens, condensing lens, optical pickup...

2005-03-08

2009-11-03

Young, Wayne R (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S300000, C369S044320, C369S013330, C359S656000, C359S708000

Reexamination Certificate

active

07613099

ABSTRACT:
A solid immersion lens has an inclined portion formed on at least a part thereof from the tip end portion of the objective side to a spherical portion and an inclination angle θ is expressed as θ≧θi where θi represents the angle of incidence of light incident on the solid immersion lens. There are provided a solid immersion lens capable of increasing a tilt margin between a lens and an optical recording medium and so on and which can decrease a diameter of a lens and a method for forming a solid immersion lens.

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patent: 2007/0183057 (2007-08-01), Terada et al.

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