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Class Information
Number: 369/112.27
Name: Dynamic information storage or retrieval > Specific detail of information handling portion of system > Radiation beam modification of or by storage medium > Having particular optical element or particular placement thereof in radiation beam path to or from storage medium > Waveguide
Description: Subject matter wherein the optical element includes a system of material boundaries in the form of a solid dielectric rod or dielectric-filled tubular conductor for guiding high-frequency electromagnetic waves, i.e., a radiant energy beam.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616531 |
Integrated optical unit, adjusting method therefor, and optical pickup |
Nov. 10, 2009 |
| 7602690 |
Aberration adjustment device, method thereof, optical pickup, and optical information recording apparatus |
Oct. 13, 2009 |
| 7602692 |
Near-field optical probe for reproducing information on a recording medium using near-field light |
Oct. 13, 2009 |
| 7599277 |
Near-field optical head having tapered hole for guiding light beam |
Oct. 6, 2009 |
| 7596072 |
Optical recording using a waveguide structure and a phase change medium |
Sep. 29, 2009 |
| 7580602 |
Beam apodization for a planar solid immersion mirror |
Aug. 25, 2009 |
| 7580336 |
Optical head having a beam input/output coupler on a planar waveguide |
Aug. 25, 2009 |
| 7547868 |
Optical near-field generating apparatus and method and information recording and reproducing apparatus |
Jun. 16, 2009 |
| 7480229 |
Light-emitting device and optical integrated device |
Jan. 20, 2009 |
| 7444047 |
Multiplexing optical system |
Oct. 28, 2008 |
| 7440384 |
Magnetic recording device for heat assisted magnetic recording |
Oct. 21, 2008 |
| 7440660 |
Transducer for heat assisted magnetic recording |
Oct. 21, 2008 |
| 7408847 |
Integrated type optical head with sheet waveguide and light coupler |
Aug. 5, 2008 |
| 7366060 |
Method for forming optical aperture, near-field optical head, method for fabricating near-field optical head, and information recording/reading apparatus |
Apr. 29, 2008 |
| 7345981 |
Optical pickup |
Mar. 18, 2008 |
| 7345840 |
Light delivery technique for heat assisted magnetic recording head |
Mar. 18, 2008 |
| 7342868 |
Compatible optical pickup apparatus |
Mar. 11, 2008 |
| 7330404 |
Near-field optical transducers for thermal assisted magnetic and optical data storage |
Feb. 12, 2008 |
| 7327639 |
Hybrid writing and reading head to record data with high density |
Feb. 5, 2008 |
| 7327664 |
Optical recording apparatus |
Feb. 5, 2008 |
| 7327665 |
Optical fiber probe using an electrical potential difference and an optical recorder using the same |
Feb. 5, 2008 |
| 7308172 |
System for reading data stored on an information carrier |
Dec. 11, 2007 |
| 7289422 |
Optical devices having transmission enhanced by surface plasmon mode resonance, and their use in data recording |
Oct. 30, 2007 |
| 7272102 |
Ridge waveguide with recess |
Sep. 18, 2007 |
| 7239599 |
Light irradiation head and information storage apparatus |
Jul. 3, 2007 |
| 7215629 |
Magnetic recording device for heat assisted magnetic recording |
May. 8, 2007 |
| 7209413 |
Optical scanning device |
Apr. 24, 2007 |
| 7202464 |
Optical bench, slim optical pickup employing the same and method of manufacturing the optical bench |
Apr. 10, 2007 |
| 7184386 |
Integrated type optical head with sheet waveguide and light coupler |
Feb. 27, 2007 |
| 7154820 |
Optical element for enhanced transmission of light and suppressed increase in temperature |
Dec. 26, 2006 |
| 7151738 |
Apparatus and method for coupling light to a thin film optical waveguide |
Dec. 19, 2006 |
| 7131128 |
Optical actuator |
Oct. 31, 2006 |
| 7085220 |
Optical head and optical device for enhancing the intensity of a transmitted light |
Aug. 1, 2006 |
| 7065035 |
Optical multilayer disk, multiwavelength light source, and optical system using them |
Jun. 20, 2006 |
| 7054255 |
Near field information recording/reproduction apparatus having waveguide with reflection surface |
May. 30, 2006 |
| 6999657 |
High density optical data storage |
Feb. 14, 2006 |
| 6975580 |
Optical aperture for data recording having transmission enhanced by waveguide mode resonance |
Dec. 13, 2005 |
| 6944112 |
Heat assisted magnetic recording head with a planar waveguide |
Sep. 13, 2005 |
| 6940803 |
Optical head, recording and reproducing apparatus and solid immersion lens |
Sep. 6, 2005 |
| 6834027 |
Surface plasmon-enhanced read/write heads for optical data storage media |
Dec. 21, 2004 |
| 6831886 |
Optical head and optical head device |
Dec. 14, 2004 |
| 6807140 |
Optical pickup device for emitting laser beams having different wavelengths and optical disk driver for use therewith |
Oct. 19, 2004 |
| 6795630 |
Apparatus and method for producing a small spot of optical energy |
Sep. 21, 2004 |
| 6781941 |
Field serviceable laser pen for optical disk drives |
Aug. 24, 2004 |
| 6781927 |
Data storage system having an optical processing flying head |
Aug. 24, 2004 |
| 6760297 |
Substrate unit for optical head and method for manufacturing the same |
Jul. 6, 2004 |
| 6729541 |
Information reading apparatus and information recording medium |
May. 4, 2004 |
| 6714370 |
Write head and method for recording information on a data storage medium |
Mar. 30, 2004 |
| 6700855 |
Optical disk device |
Mar. 2, 2004 |
| 6671237 |
Method and apparatus for driving an electro-optic modulator assembly |
Dec. 30, 2003 |
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