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Class Information
Number: 359/569
Name: Optical: systems and elements > Diffraction > From grating > Including particular grating characteristic
Description: Subject matter wherein the diffraction grating has one or more particular structural characteristics, such as thickness, shape, line spacing, aspect ratio, etc.


Sub-classes under this class:

Class Number Class Name Patents
359/571 Echelette or blazed grating 260
359/576 Laminated or layered 201
359/570 Nonplanar grating substrate (e.g., concave) 157
359/572 Reflection grating (e.g., retrodirective) 363
359/573 Variable grating 210
359/574 With curved or geometrically shaped corrugation 111
359/575 With nonuniform corrugation width, spacing, or depth 173


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
7623291 Polarized diffractive filter and layered polarized diffractive filter Nov. 24, 2009
7619819 Method and apparatus for drug product tracking using encoded optical identification elements Nov. 17, 2009
7619820 Dot matrix holograms with spatially varying period Nov. 17, 2009
7612940 Diffractive optical element and method of fabricating diffractive optical element Nov. 3, 2009
7605859 Image pickup device and image pickup optical system that optically reduce color flares Oct. 20, 2009
7602827 Semiconductor laser and manufacturing process therefor Oct. 13, 2009
7602437 Image pickup device and image pickup optical system Oct. 13, 2009
7599106 Optical mask and MOPA laser apparatus including the same Oct. 6, 2009
7585546 Surface passivation and sealing of micro-optics devices for improved performance in harsh environments Sep. 8, 2009
7580187 Diffractive optical element and optical low-pass filter utilizing the same Aug. 25, 2009
7576926 Spill light removing device Aug. 18, 2009
7573019 Light detecting apparatus, illumination optical apparatus, exposure apparatus and exposure method Aug. 11, 2009
7567288 Image pickup device and image pickup optical system Jul. 28, 2009
7564497 Image pickup device and image pickup optical system Jul. 21, 2009
7557990 Method and apparatus for a Bragg grating tunable filter Jul. 7, 2009
7554733 Diffractive optical element and method for manufacturing same Jun. 30, 2009
7554734 Polarization independent grating Jun. 30, 2009
7538945 Optical path changing module May. 26, 2009
7538946 Metamaterials May. 26, 2009
7530701 Photographic flashlight May. 12, 2009
7531790 Image sensor and method for fabricating the same May. 12, 2009
7518794 Transmission type diffraction grating Apr. 14, 2009
7515340 Three-dimensional display device Apr. 7, 2009
7511887 Diffraction grating, method of fabricating diffraction optical element, optical pickup device, and optical disk drive Mar. 31, 2009
7502167 Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element Mar. 10, 2009
7499612 Multimode planar waveguide spectral filter Mar. 3, 2009
7495814 Raster scanning-type display device using diffractive optical modulator Feb. 24, 2009
7483188 Security device Jan. 27, 2009
7483604 Diffractive grating element for balancing diffraction efficiency Jan. 27, 2009
7468942 Optical pickup, optical element, and information reproducing apparatus configured for use with any of plural types of recording media Dec. 23, 2008
7463420 Configurable diffractive optical element Dec. 9, 2008
7460302 Dynamic optical devices Dec. 2, 2008
7453643 Blazed diffractive optical element and projection objective for a microlithographic projection exposure apparatus Nov. 18, 2008
7452820 Radiation-resistant zone plates and method of manufacturing thereof Nov. 18, 2008
7446954 Hybrid lens system Nov. 4, 2008
7443587 DOE-based systems and devices for producing laser beams having modified beam characteristics Oct. 28, 2008
7440153 Backlight unit for flat panel display and flat panel display apparatus having the same Oct. 21, 2008
7440188 Diffractive optical element Oct. 21, 2008
7436561 Hologram laser unit and optical pickup apparatus Oct. 14, 2008
7435979 Optical device and method of manufacture Oct. 14, 2008
7432974 Image pickup device and image pickup optical system Oct. 7, 2008
7433124 Illumination system to eliminate laser speckle and a single-panel projection system employing the same Oct. 7, 2008
7433125 Light quantity distribution control element and optical apparatus using the same Oct. 7, 2008
7433135 Image pick-up lens system Oct. 7, 2008
7433290 Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server Oct. 7, 2008
7430076 Diffraction element Sep. 30, 2008
7422842 Reduced loss high efficiency diffractive and associated methods Sep. 9, 2008
7420733 Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects Sep. 2, 2008
7420734 Planar waveguide grating devices having controlled polarization dependent sensitivity and method of manufacturing thereof Sep. 2, 2008
7420735 Transmission type diffraction grating Sep. 2, 2008

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15


 
 
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