Class H01J : ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Subclass 1/15: Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps (details of electron-optical arrangements or of ion traps H01J 3/00) Main electrodes Solid thermionic cathodes Cathodes heated directly by an electric current
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12057285 | Annular gap cathodes with graphite caps | Nov 08, 23 | Aug 06, 24 | Kimball Physics Inc. |
| 12046439 | Method for tuning work function using surface photo voltage and producing ultra-low-work-function surfaces, and devices operational therewith | Nov 30, 21 | Jul 23, 24 | The Board of Trustees of the Leland Stanford Junior University |
| 11901154 | Conical heat shield for electron emitting cathode | Mar 03, 23 | Feb 13, 24 | NUFLARE TECHNOLOGY, INC.; NuFlare Technology America, Inc.; |
| 11205554 | Method for tuning work function using surface photovoltage and producing ultra-low-work-function surfaces, and devices operational therewith | Jul 16, 14 | Dec 21, 21 | The Board of Trustees of the Leland Stanford Junior University |
| 11195684 | Field emission apparatus with superior structural stability and X-ray tube comprising the same | Jun 23, 20 | Dec 07, 21 | AweXome Ray, Inc. |
| 11152181 | Estimation of cathode space current for a thermionic vacuum tube using a polynomial based on a heuristically determined variable representing the grid and plate voltages | May 17, 19 | Oct 19, 21 | Panayotis Tsambos |
| 10840053 | Receptacle for receiving a plug connector of a high-voltage cable for a microfocus X-ray tube, plug connection for a high-voltage cable | Mar 15, 18 | Nov 17, 20 | YXLON INTERNATIONAL GMBH |
| 10720298 | Vacuum electron tube with planar cathode based on nanotubes or nanowires | Jun 29, 17 | Jul 21, 20 | Thales |
| 10622188 | Focusing electrode for cathode arrangement, electron gun, and lithography system comprising such electron gun | Jul 07, 16 | Apr 14, 20 | ASML Netherlands B.V. |
| 10593505 | Low temperature, high-brightness, cathode | Nov 28, 18 | Mar 17, 20 | NUFLARE TECHNOLOGY, INC.; NuFlare Technology America, Inc.; |
| 10373792 | Cathode assembly for use in X-ray generation | Jun 28, 16 | Aug 06, 19 | General Electric Company |
| 10056218 | Graphene/graphite-based filament for thermal ionization | Feb 17, 17 | Aug 21, 18 | Savannah River Nuclear Solutions, LLC |
| 9881763 | Ion generation device and ion detection device | Nov 10, 16 | Jan 30, 18 | RICOH COMPANY, LTD. |
| 9847208 | Electron beam device, cold field emitter, and method for regeneration of a cold field emitter | Aug 10, 16 | Dec 19, 17 | ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH |
| 9640361 | Emitter structure, gas ion source and focused ion beam system | Aug 19, 15 | May 02, 17 | HITACHI HIGH-TECH SCIENCE CORPORATION |
| 9466453 | Cathode arrangement, electron gun, and lithography system comprising such electron gun | Dec 22, 14 | Oct 11, 16 | MAPPER LITHOGRAPHY IP B.V. |
| 9455112 | Cathode arrangement, electron gun, and lithography system comprising such electron gun | Dec 22, 14 | Sep 27, 16 | MAPPER LITHOGRAPHY IP B.V. |
| 9443691 | Electron emission surface for X-ray generation | Dec 30, 13 | Sep 13, 16 | GENERAL ELECTRIC COMPANY |
| 9309871 | Hall-effect motor in which the temperature of the cathode-heating device is controlled | Apr 29, 11 | Apr 12, 16 | SNECMA |
| 9129771 | Emitter structure, gas ion source and focused ion beam system | Mar 25, 14 | Sep 08, 15 | HITACHI HIGH-TECH SCIENCE CORPORATION |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2018/0240,637 | Graphene/Graphite-Based Filament for Thermal Ionization | Feb 17, 17 | Aug 23, 18 | Not available |
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