Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate
2005-10-12
2009-10-20
Nguyen, Hoa T (Department: 2627)
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Radiation beam modification of or by storage medium
C216S002000, C359S237000, C369S127000
Reexamination Certificate
active
07606132
ABSTRACT:
Disclosed are a cantilever-type near-field probe capable of easily improving an optical throughput and being applied to a head of an optical data storage and a method of manufacturing the same. An oxide film is formed on a silicon substrate having dielectric films formed as a mask layer on upper and lower portions thereof, and a circular dielectric film formed on the upper mask layer and providing a function of a holder. A distal end of the probe has a parabolic structure by use of an effect of a bird's peak provided due to a difference of growth rate of the oxide film produced by the dielectric film, thereby forming the initial probe. After the dielectric film is removed from the initial probe, a bottom surface of the silicon substrate is removed, thereby providing the probe with the near-field aperture having a high throughput.
REFERENCES:
patent: 5844251 (1998-12-01), MacDonald et al.
patent: 5959957 (1999-09-01), Ikeda et al.
patent: 6979406 (2005-12-01), Song et al.
Kim Eunkyoung
Kim Jun Ho
Lee Sung Qyu
Park Kang Ho
Song Kibong
Chu Kim-Kwok
Electronics and Telecommunications Research Institute
Lowe Hauptman & Ham & Berner, LLP
Nguyen Hoa T
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