Search Results - "HOLLAND, Christopher E"
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Development of a Self Focused Spindt Cathode for Millimeter-Wave Traveling Wave Tubes
Published in 2023 IEEE 36th International Vacuum Nanoelectronics Conference (IVNC) (10-07-2023)“…We report ongoing development of a high-current (100 mA), low-emittance (< 0.5 mm-mrad) Spindt-type field emitter cathode for electron beam generation in…”
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Conference Proceeding -
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Development of a Micro Mercury Trapped Ion Clock Prototype Employing a Spindt Cathode Ionization Source
Published in 2023 IEEE 36th International Vacuum Nanoelectronics Conference (IVNC) (10-07-2023)“…We have developed a prototype mercury ion clock in a miniature pumpless vacuum quadrupole trap tube employing a Spindt-type field-emitter array (FEA) as an…”
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Conference Proceeding -
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100 W Operation of a Cold Cathode TWT
Published in IEEE transactions on electron devices (01-05-2009)“…Recent demonstration of low-voltage high-transconductance field emitter array operation holds promise for the successful development of reliable cold cathode…”
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Journal Article -
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11.1: A reliable improved Spindt cathode design for high currents
Published in 2010 IEEE International Vacuum Electronics Conference (IVEC) (01-05-2010)“…Recent work with Spindt cathodes has shown that past unreliable behavior has not been due to poor tip uniformity and the failure of over-achieving tips as has…”
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Conference Proceeding -
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100 W Operation of a Cold Cathode TWT : VACUUM ELECTRON DEVICES
Published in IEEE transactions on electron devices (2009)Get full text
Journal Article -
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A microfabricated electrostatic field desorption ion source
Published in 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC) (01-10-2012)“…The use of an electrostatic field desorption (EFD) ion source would constitute a significant advance in the design and operation of neutron generators. The…”
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Conference Proceeding -
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Experimental demonstration of an emission-gated traveling-wave tube amplifier
Published in IEEE transactions on plasma science (01-06-2002)“…This paper reports the results of the development of a traveling-wave tube (TWT) amplifier designed and operated using a high-frequency emission-gated field…”
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Journal Article -
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Cold Cathode Based Microwave Devices for Current and Future Systems
Published in 2018 31st International Vacuum Nanoelectronics Conference (IVNC) (01-07-2018)“…We report ongoing efforts to achieve reliable field emitter (FE) cathode operation for high current electron beam generation in RF microwave devices. These…”
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Conference Proceeding -
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Field-emitter arrays applied to vacuum fluorescent display
Published in IEEE transactions on electron devices (01-01-1989)“…A thin vacuum-fluorescent display utilizing a matrix-addressable array of groups of Spindt-type field-emission emitter tips is described. Development of the…”
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Journal Article -
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3.3: The development of a stationary X-ray source for medical imaging
Published in International Vacuum Nanoelectronics Conference (01-07-2010)“…A prototype stationary source for medical imaging is evaluated. X-ray focal spot diameters of less than 0.2 mm are formed with beam currents of up to 75 mA at…”
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Conference Proceeding -
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Operation of a low-voltage high-transconductance field emitter array TWT
Published in 2008 IEEE International Vacuum Electronics Conference (01-05-2008)“…L-3 Communications continues development and testing of a moderate power helix TWT incorporating a new low-voltage high-transconductance field emitter array…”
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Conference Proceeding -
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7.1: A microsystems enabled field desorption source
Published in International Vacuum Nanoelectronics Conference (01-07-2010)“…Technologies that have been developed for microelectromechanical systems (MEMS) have been applied to the fabrication of field desorption arrays. These…”
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Conference Proceeding