Search Results - "Holland, Christopher E."

Development of a Self Focused Spindt Cathode for Millimeter-Wave Traveling Wave Tubes by Holland, Christopher E., Whaley, David R., Schwoebel, Paul, Bellew, Colby, Spindt, Charles A.

“…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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Development of a Micro Mercury Trapped Ion Clock Prototype Employing a Spindt Cathode Ionization Source by Holland, Christopher E., Prestage, John D., Hoang, Thai M., Chung, Sang K., Le, Thanh M., Park, Sung-Jin, Yu, Nan

“…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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100 W Operation of a Cold Cathode TWT by Whaley, D.R., Duggal, R., Armstrong, C.M., Bellew, C.L., Holland, C.E., Spindt, C.A.

“…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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11.1: A reliable improved Spindt cathode design for high currents by Spindt, Capp, Holland, Christopher E, Schwoebel, Paul R

“…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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100 W Operation of a Cold Cathode TWT : VACUUM ELECTRON DEVICES by WHALEY, David R, DUGGAL, Ramon, ARMSTRONG, Carter M, BELLEW, Colby L, HOLLAND, Christopher E, SPINDT, Charles A

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A microfabricated electrostatic field desorption ion source by Hertz, Kristin L., Johnson, Benjamin B., Holland, Christopher E., Resnick, Paul J., Schwoebel, Paul R., Chichester, David L.

“…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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Experimental demonstration of an emission-gated traveling-wave tube amplifier by Whaley, D.R., Gannon, B.M., Heinen, V.O., Kreischer, K.E., Holland, C.E., Spindt, C.A.

“…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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Cold Cathode Based Microwave Devices for Current and Future Systems by Whaley, D. R., Armstrong, C. M., Holland, Christopher E., Spindt, C. A., Schwoebel, Paul R.

“…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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Experimental demonstration of an emission-gated traveling-wave tube amplifier: High-power microwave generation by WHALEY, David R, GANNON, Bartley M, HEINEN, Vernon O, KREISCHER, Kenneth E, HOLLAND, Christopher E, SPINDT, Capp A

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Field-emitter arrays applied to vacuum fluorescent display by Spindt, C A, Holland, C E, Brodie, I, Mooney, J B, Westerberg, E R

“…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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3.3: The development of a stationary X-ray source for medical imaging by Schwoebel, P R, Holland, C E, Spindt, C A

“…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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Operation of a low-voltage high-transconductance field emitter array TWT by Whaley, David R., Duggal, Ramon, Armstrong, Carter M., Bellew, Colby L., Holland, Christopher E., Spindt, Capp A.

“…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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7.1: A microsystems enabled field desorption source by Resnick, P J, Holland, C E, Schwoebel, P R, Hertz, K L, Chichester, D L

“…Technologies that have been developed for microelectromechanical systems (MEMS) have been applied to the fabrication of field desorption arrays. These…”
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