Near-field light detection element and information...

Details Near-field light detection element and information... Near-field light detection element and information...

2009-03-03

2011-11-01

Feild, Joseph (Department: 2627)

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

Reexamination Certificate

active

08050150

ABSTRACT:
A near-field light detection element is provided with a light source, a conductive scatterer for generating near-field light by being irradiated with light from the light source, and a photoelectric conversion element arranged in a near-field light generation region near the scatterer. The scatterer irradiates near-field light to a recording medium, and the near-field light detection element detects an intensity change of the near-field light generated by a change of the dielectric constant of the recording medium based on an electrical conductivity change of the photoelectric conversion element.

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International Search Report issued Jun. 9, 2009 in International (PCT) Application No. PCT/JP2009/000950.

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