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Class Information
Number: 313/348
Name: Electric lamp and discharge devices > Electrode and shield structures > Foraminous electrodes (e.g., grids) or shields
Description: Electrodes and shields which are formed of open-work material such as wire mesh or perforated sheet material, or which are formed of wires or bars, or which are otherwise provided with openings in the wall of the electrode or shield.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7586251 |
Electron emission device with decreased electrode resistance and fabrication method and electron emission display |
Sep. 8, 2009 |
| 7569835 |
Gating grid and method of manufacture |
Aug. 4, 2009 |
| 7358593 |
Microfabricated miniature grids |
Apr. 15, 2008 |
| 7176452 |
Microfabricated beam modulation device |
Feb. 13, 2007 |
| 7166008 |
Method of curing using an electroluminescent light |
Jan. 23, 2007 |
| 7005782 |
Charged particle beam extraction and formation apparatus |
Feb. 28, 2006 |
| 6856080 |
Carbonized resin coated anode |
Feb. 15, 2005 |
| 6774550 |
Charged particle beam extraction and formation apparatus |
Aug. 10, 2004 |
| 6664545 |
Gate for modulating beam of charged particles and method for making same |
Dec. 16, 2003 |
| 6661166 |
Electron gun and cathode-ray tube |
Dec. 9, 2003 |
| 6652923 |
Electron-emitting source, electron-emitting module, and method of manufacturing electron-emitting source |
Nov. 25, 2003 |
| 6635978 |
Electron tube with axial beam and pyrolitic graphite grid |
Oct. 21, 2003 |
| 6593579 |
RF modulated electron gun |
Jul. 15, 2003 |
| 6590324 |
Charged particle beam extraction and formation apparatus |
Jul. 8, 2003 |
| 6524454 |
Integrated membrane and electrode support screen and protector ring for an electrochemical cell |
Feb. 25, 2003 |
| 6072269 |
Ceramic member with an electrode and a plurality of tapered through holes for controlling the ejection of particles by switching the sign of a charge on the electrode |
Jun. 6, 2000 |
| 5920151 |
Structure and fabrication of electron-emitting device having focus coating contacted through underlying access conductor |
Jul. 6, 1999 |
| 5783900 |
Large-area electron irradiator with improved electron injection |
Jul. 21, 1998 |
| 5550428 |
Frame structure of aperture grille with higher long-side frames |
Aug. 27, 1996 |
| 5448883 |
Ion thruster with ion optics having carbon-carbon composite elements |
Sep. 12, 1995 |
| 5391433 |
Carbon material for electrodes and process for preparing it |
Feb. 21, 1995 |
| 5272412 |
Method for the production of extraction grids for ion generation and grids produced according to said method |
Dec. 21, 1993 |
| 5225735 |
Electron tube with cylindrical hexagonal grid aligned with rhombus shaped cathode wires |
Jul. 6, 1993 |
| 5214349 |
Color cathode ray tube and color selection electrode device of color cathode ray tube |
May. 25, 1993 |
| 5206565 |
High-power low-voltage tetrode having a full walled matrix cathode and a control grid spacing of less than 1 mm |
Apr. 27, 1993 |
| 4975617 |
Electric discharge tube |
Dec. 4, 1990 |
| 4890034 |
Thyratrons |
Dec. 26, 1989 |
| 4866331 |
Eyelet for incandescent lamp bases and method of making |
Sep. 12, 1989 |
| 4795941 |
Electromagnetic wave shielding, transparent panel for a display device |
Jan. 3, 1989 |
| 4752715 |
Television camera tube |
Jun. 21, 1988 |
| 4739213 |
Electron tube with support for pyrolytic graphite electrode |
Apr. 19, 1988 |
| 4737680 |
Gridded electron gun |
Apr. 12, 1988 |
| 4728852 |
Device for fixing a pyrolytic graphite grid onto the base of an electron tube |
Mar. 1, 1988 |
| 4723089 |
Removable screening mount for a tensed mask cathode ray tube |
Feb. 2, 1988 |
| 4695760 |
Self-aligned double grids for vacuum tubes |
Sep. 22, 1987 |
| 4684994 |
Television camera tube with honeycomb grid electrode |
Aug. 4, 1987 |
| 4682077 |
Television camera tube device |
Jul. 21, 1987 |
| 4680500 |
Integral grid/cathode for vacuum tubes |
Jul. 14, 1987 |
| 4614892 |
Tension mask mounting structure |
Sep. 30, 1986 |
| 4604546 |
Incandescent lamp mount structure with shield for evaporation products |
Aug. 5, 1986 |
| 4583021 |
Electron gun with improved cathode and shadow grid configuration |
Apr. 15, 1986 |
| 4572982 |
Apparatus for reducing the effects of thermal stresses on breakdown voltage in high voltage vacuum devices |
Feb. 25, 1986 |
| 4553064 |
Dual-mode electron gun with improved shadow grid arrangement |
Nov. 12, 1985 |
| 4521714 |
Shielded electron beam guide assembly for flat panel display devices |
Jun. 4, 1985 |
| 4495437 |
Grid apparatus for use with a color cathode ray tube |
Jan. 22, 1985 |
| 4471267 |
Grid structure for certain plural mode electron guns |
Sep. 11, 1984 |
| 4469984 |
Grid-like electrode for electronic components and process for making same |
Sep. 4, 1984 |
| 4456852 |
Mesh structure for a photomultiplier tube |
Jun. 26, 1984 |
| 4437034 |
Parallel-wire grid assembly with method and apparatus for construction thereof |
Mar. 13, 1984 |
| 4409513 |
Electrode for an electron gun |
Oct. 11, 1983 |
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