| |
 |
|
Class Information
Number: 313/542
Name: Electric lamp and discharge devices > Photosensitive > Photocathode
Description: Subject matter wherein the electrode absorbs infrared, visible, or ultraviolet electromagnetic radiation so that some of the electrons of the material absorb enough energy as a result of the electromagnetic radiation to escape from the surface of the material.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7592747 |
Piezoelectrically enhanced photocathode |
Sep. 22, 2009 |
| 7592746 |
Photomultiplier |
Sep. 22, 2009 |
| 7573053 |
Polarized pulsed front-end beam source for electron microscope |
Aug. 11, 2009 |
| 7531826 |
Photocathode structure and operation |
May. 12, 2009 |
| 7525249 |
Electron tube with electron-bombarded semiconductor device |
Apr. 28, 2009 |
| 7486021 |
Electron tube with electron-bombarded semiconductor device |
Feb. 3, 2009 |
| 7474051 |
Alkali metal generating agent, alkali metal generator, photoelectric surface, secondary electron emission surface, electron tube, method for manufacturing photoelectric surface, method for man |
Jan. 6, 2009 |
| 7462090 |
Method and system for detecting radiation incorporating a hardened photocathode |
Dec. 9, 2008 |
| 7446474 |
Hetero-junction electron emitter with Group III nitride and activated alkali halide |
Nov. 4, 2008 |
| 7427765 |
Electron beam column for writing shaped electron beams |
Sep. 23, 2008 |
| 7425694 |
Time-resolved measurement apparatus |
Sep. 16, 2008 |
| 7365356 |
Photocathode |
Apr. 29, 2008 |
| 7297924 |
Imaging device with focus switching means for day and night vision |
Nov. 20, 2007 |
| 7259362 |
Imaging arrangement and method for high-speed imaging |
Aug. 21, 2007 |
| 7208874 |
Transmitting type secondary electron surface and electron tube |
Apr. 24, 2007 |
| 7176625 |
Photocathode plate and electron tube |
Feb. 13, 2007 |
| 7161162 |
Electron beam pattern generator with photocathode comprising low work function cesium halide |
Jan. 9, 2007 |
| 7095037 |
Electron beam lithography system having improved electron gun |
Aug. 22, 2006 |
| 7045957 |
Polycrystal diamond thin film and photocathode and electron tube using the same |
May. 16, 2006 |
| 7015642 |
Light intensifier tube |
Mar. 21, 2006 |
| 7005795 |
Electron bombardment of wide bandgap semiconductors for generating high brightness and narrow energy spread emission electrons |
Feb. 28, 2006 |
| 6998635 |
Tuned bandwidth photocathode for transmission negative electron affinity devices |
Feb. 14, 2006 |
| 6992441 |
MBE grown alkali antimonide photocathodes |
Jan. 31, 2006 |
| 6977465 |
Image intensifier with improved electromagnetic compatibility |
Dec. 20, 2005 |
| 6847164 |
Current-stabilizing illumination of photocathode electron beam source |
Jan. 25, 2005 |
| 6831403 |
Field emission display cathode assembly |
Dec. 14, 2004 |
| 6831341 |
Photocathode having AlGaN layer with specified Mg content concentration |
Dec. 14, 2004 |
| 6828730 |
Microdischarge photodetectors |
Dec. 7, 2004 |
| 6781300 |
Laser based electron beam gun |
Aug. 24, 2004 |
| 6765352 |
Photocathode and electron tube |
Jul. 20, 2004 |
| 6759800 |
Diamond supported photocathodes for electron sources |
Jul. 6, 2004 |
| 6724131 |
Night vision device and method |
Apr. 20, 2004 |
| 6720996 |
Imaging apparatus |
Apr. 13, 2004 |
| 6713668 |
Solar energy converter and solar energy conversion system |
Mar. 30, 2004 |
| 6674235 |
Photocathode having ultra-thin protective layer |
Jan. 6, 2004 |
| 6670752 |
Cathode for emitting photoelectron or secondary electron, photomultiplier tube, and electron-multiplier tube |
Dec. 30, 2003 |
| 6667472 |
Night vision device with antireflection coating on cathode window |
Dec. 23, 2003 |
| 6653547 |
Solar energy converter |
Nov. 25, 2003 |
| 6633125 |
Short wavelength infrared cathode |
Oct. 14, 2003 |
| 6628072 |
Acicular photomultiplier photocathode structure |
Sep. 30, 2003 |
| RE38234 |
Ultraviolet detector |
Aug. 26, 2003 |
| 6597112 |
Photocathode for night vision image intensifier and method of manufacture |
Jul. 22, 2003 |
| 6586877 |
Electron tube |
Jul. 1, 2003 |
| 6583558 |
Electron tube |
Jun. 24, 2003 |
| 6580215 |
Photocathode |
Jun. 17, 2003 |
| 6573640 |
Photodetecting device and image sensing apparatus using the same |
Jun. 3, 2003 |
| 6563264 |
Photocathode and electron tube |
May. 13, 2003 |
| 6545425 |
Use of a free space electron switch in a telecommunications network |
Apr. 8, 2003 |
| 6531816 |
Protection of photocathodes with thin film of cesium bromide |
Mar. 11, 2003 |
| 6509701 |
Method and device for generating optical radiation |
Jan. 21, 2003 |
|
|
|
