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Insulating gas grids gas Zero emission electronic weighing device

EP0660368A1 - Electron field emission devices - Google Patents electron field emission device includes a field emissive cathode which may include a plurality of sharp field emitter tips 2. First and second grids 4 and 7 are located between the cathode and an anode. The grids comprise parallel strips of electrically conductive material, those of the first grid being arranged orthogonal to those of the second.Cited by: 30

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