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This page displays all 「FI」 in main group H01J19/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Details of vacuum tubes of the types covered by group H01J 21/00 | HB | CC | 5C335 | |
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.Electron-emitting electrodes; Cathodes | HB | CC | 5C335 | |
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..Thermionic cathodes | HB | CC | 5C335 | |
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...characterised by the material | HB | CC | 5C335 | |
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....with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material [6] | HB | CC | 5C335 | |
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....with other metal oxides as an emissive material [6] | HB | CC | 5C335 | |
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....with metals or alloys as an emissive material [6] | HB | CC | 5C335 | |
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....with compounds having metallic conductive properties, e.g. lanthanum boride, as an emissive material [6] | HB | CC | 5C335 | |
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...Cathodes heated directly by an electric current | HB | CC | 5C335 | |
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...characterised by the shape | HB | CC | 5C335 | |
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....Supports; Vibration-damping arrangements | HB | CC | 5C335 | |
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...Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment | HB | CC | 5C335 | |
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....Heaters | HB | CC | 5C335 | |
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....Insulating layer or body located between heater and emissive material | HB | CC | 5C335 | |
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....Supports for the emissive material | HB | CC | 5C335 | |
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....Dispenser-type cathodes, e.g. L-cathode | HB | CC | 5C335 | |
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..Cold cathodes, e.g. field-emissive cathode | HB | CC | 5C335 | |
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.Non-electron-emitting electrodes; Screens | HB | CC | 5C335 | |
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..characterised by the material | HB | CC | 5C335 | |
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..Anodes | HB | CC | 5C335 | |
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...forming part of the envelope | HB | CC | 5C335 | |
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...Cooling of anodes | HB | CC | 5C335 | |
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..Control electrodes, e.g. grid | HB | CC | 5C335 | |
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..Screens for shielding | HB | CC | 5C335 | |
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.Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies | HB | CC | 5C335 | |
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..Insulation between electrodes or supports within the vacuum space | HB | CC | 5C335 | |
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..Mountings for the electrode assembly as a whole | HB | CC | 5C335 | |
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..Mountings for individual electrodes | HB | CC | 5C335 | |
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..Spacing members extending to the envelope | HB | CC | 5C335 | |
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...without fixed connection between spacing member and envelope | HB | CC | 5C335 | |
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.Vessels; Containers; Shields associated therewith | HB | CC | 5C335 | |
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..characterised by the material of the vessel or container | HB | CC | 5C335 | |
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..provided with coatings on the walls thereof; Selection of materials for the coatings | HB | CC | 5C335 | |
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.Seals between parts of vessels | HB | CC | 5C335 | |
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.Seals for leading-in conductors | HB | CC | 5C335 | |
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.Leading-in conductors | HB | CC | 5C335 | |
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.Means forming part of the tube for the purpose of supporting it | HB | CC | 5C335 | |
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.Means forming part of the tube for the purpose of providing electrical connection to it | HB | CC | 5C335 | |
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.Specified gas introduced into the tube at low pressure, e.g. for reducing or influencing space charge | HB | CC | 5C335 | |
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.Means for obtaining or maintaining the vacuum, e.g. by gettering | HB | CC | 5C335 | |
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..Tubulations therefor, e.g. for exhausting; Closures therefor | HB | CC | 5C335 | |
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.Cooling arrangements (cooling of anodes H01J 19/36) | HB | CC | 5C335 | |
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.Means structurally associated with the tube for indicating defects or previous use | HB | CC | 5C335 | |
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.One or more circuit elements structurally associated with the tube | HB | CC | 5C335 | |
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..Structurally associated resonator having distributed inductance and capacitance | HB | CC | 5C335 | |
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.Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for | HB | CC | 5C335 | |