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1.发明授权Crossed-field microwave tube having a fluid cooled cathode and control electrode 失效具有流体冷却阴极和控制电极的横截面微波管
公开(公告)号：US3612932A
公开(公告)日：1971-10-12
申请号：US3612932D
申请日：1969-06-13
申请人： VARIAN ASSOCIATES
发明人： WILCZEK ANDREW S , GILL CHARLES
CPC分类号： H01J23/005 , H01J1/02
摘要： A crossed-field microwave tube includes a generally cylindrical central electrode structure having an arcuate cathode emitter portion and a sector-shaped control electrode portion. The cathode emitter is carried in heat exchanging relation upon the outside of a double walled cathode support tube. The annular space between the double walls defines a cathode fluid coolant passageway. The control electrode is carried from a tubular support member centrally disposed of the cathode support tube. Fluid coolant passes in series through the control electrode support tube and the outer annular cathode coolant passageway. The control electrode support tube includes a tubular insulator defining a portion of control electrode coolant passageway.
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2.发明授权
公开(公告)号：US3591823A
公开(公告)日：1971-07-06
申请号：US3591823D
申请日：1969-06-02
申请人： VARIAN ASSOCIATES
发明人： WILCZEK ANDREW S
CPC分类号： H01J23/48
摘要： A microwave crossfield amplifier tube of circular format is disclosed. Transmission line transition sections are provided for impedance-matching the ends of a slow wave circuit to hollow rectangular waveguides axially directed of the tube. Each transition includes a T-bar connector inside the rectangular waveguide. The upright portion of the T-bar is connected to the end of the slow wave circuit via the intermediary of a section of coaxial line which tapers into a stripline portion which in turn is connected to the slow wave circuit.
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公开(公告)号：US3596131A
公开(公告)日：1971-07-27
申请号：US3596131D
申请日：1969-05-29
申请人： VARIAN ASSOCIATES
发明人： WILCZEK ANDREW S
摘要： In a crossed-field tube of the type employing a cathode secondary emitter, the secondary emission surface is corrugated with the corrugations being elongated generally in the direction of the secondary electron stream to increase the effective secondary electron emissive surface area of the cathode and to increase the secondary electron emission yield from the surface, whereby the current loading on the cathode is decreased in use.
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4.发明授权
公开(公告)号：US3614515A
公开(公告)日：1971-10-19
申请号：US3614515D
申请日：1969-06-02
申请人： VARIAN ASSOCIATES
发明人： WILCZEK ANDREW S
CPC分类号： H01J25/44
摘要： A crossed-field reentrant stream microwave tube is disclosed. The microwave tube includes an anode structure having a slow wave microwave circuit formed therein. A circuit sever interrupts the microwave circuit to define a microwave field-free drift space in the radial gap region between the circuit sever and the cathode structure. The surface of the cathode structure which faces the circuit sever is contoured to provide a varying radial spacing between the circuit sever and the cathode over a portion of the field-free drift region to enhance debunching of the reentrant electron stream. In a preferred embodiment, the cathode is contoured to provide both increasing radial spacing in the axial direction from both ends toward the center of the field-free region and also circumferentially contoured to provide increased cathode-to-anode spacing taken in the downstream direction of the drift region to move the electron stream away from the anode circuit at downstream end of the drift space which corresponds to the input end of the microwave circuit.
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