Near-field high density magneto-optical recording head

Details Near-field high density magneto-optical recording head Near-field high density magneto-optical recording head

2006-05-30

2006-05-30

Dinh, Tan (Department: 2653)

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

C369S013130

Reexamination Certificate

active

07054234

ABSTRACT:
A recording head for decreasing recording noise accompanying malformation of a recorded mark and to form the recorded mark capable of increasing reproduction resolution at the time of magnetic reproduction. The head has a light source and a scatterer for recording information on a recording medium by generating near-field light by application of light from the light source and forming a magnetic domain array on the recording medium, a perimeter of the scatterer defines a plurality of vertices and a distance between a first vertex and a last vertex is shorter than the width of the recording track on the recording medium. The recording head improves recording density and can be used to manufacture a highly reliable information recording and reproducing apparatus having a reduced cost per capacity.

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