Optical device, method for producing master for use in...

Details Optical device, method for producing master for use in... Optical device, method for producing master for use in...

2007-08-21

2009-12-15

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S23700G, C250S231130, C359S896000, C216S024000, C216S041000

Reexamination Certificate

active

07633045

ABSTRACT:
In an optical device, a number of structures having higher portions or lower portions are arranged at a fine pitch equal to or shorter than a wavelength of visible light on a surface of a base. Each of the structures is arranged to form a plurality of arc track rows on the surface of the base, and to form a quasi-hexagonal lattice pattern, and the structure has an elliptical cone or truncated elliptical cone shape having a major axis in a circumferential direction of the arc tracks.

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