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| Number | Title | Issue Date |
| 7427831 | Electron emission device and electron emission display device An electron emission device includes an electron emission region formed on a substrate for emitting electrons, a driving electrode for controlling the emission of the electrons, and a focusing electrode electrically insulated from the driving electrode. The driving ... | 09/23/2008 |
| 7196464 | Light emitting cell and method for emitting light A light-emitting cell, includes a light-emitting material which can emit light in response to a collision of an electron beam; an electron-emitting unit having a carbon nanotube as an electron source for releasing the electron beam and emitting the electron beam to ... | 03/27/2007 |
| 6524454 | Integrated membrane and electrode support screen and protector ring for an electrochemical cell The present invention is an integrated screen comprising a screen portion having openings and an integral protector edge disposed about the periphery of the screen portion. This integrated screen protector edge can be utilized individually as the membrane... | 02/25/2003 |
| 5463268 | Magnetically shielded high voltage electron accelerator The high voltage electrostatic accelerator of this invention has spark arrester rings which form magnetic shield elements around an acceleration tube and which together with mu-metal rings between accelerator segments shield the electrons being accelerate... | 10/31/1995 |
| 4745324 | High power switch tube with Faraday cage cavity anode A high-power switch tube is shown constructed from a plurality of electron guns each gun having a cathode and an anode. Between the cathode and anode is mounted a shadow grid closest to the cathode beyond which is mounted a control grid, a screen grid, an... | 05/17/1988 |
| 4710675 | Solid dynode structure for photomultiplier A photomultiplier includes a solid disk dynode and a pair of annular guiding electrodes disposed about the disk dynode transversely along the central axis of the photomultiplier tube on opposite sides of the dynode. The secondary and subsequent dynodes ma... | 12/01/1987 |
| 4678918 | Integrated radiation detector An integrated radiation detector comprises a number of electrode plates assembled at a mutual distance. The electrode plates comprise slots in which electrically insulating gas-tight strips projecting through all the electrode plates are provided, of whic... | 07/07/1987 |
| 4295077 | Circumferentially apertured cylindrical grid for electron tube An improved high power electron tube has at least one grid electrode. The grid electrode is formed from a one piece cylindrical member, closed at one end, having an outside diameter, D. The cylindrical member has a plurality of arcuate, circumferentially ... | 10/13/1981 |
| 3944887 | Crowbar switch A crowbar switch having a start and a crowbar gap each having a trigger electrode therein. The two gaps are disposed close to each other so that the photons and thermoelectrons emitted from the arc produced by a discharge in the start gap ionize the ambie... | 03/16/1976 |
