NDLI: Experimental Characterization of Anode Heating Due to Electron Field Emission

Content Provider	Semantic Scholar
Author	Harris, Charles T. Walker, D. Greg Hofmeister, William H.
Copyright Year	2004
Abstract	Recent advances in cold cathode field emitters have produced improvements in emission efficiency and thus enhanced the applicability of such devices. This article considers heating due to electron field emission from a polycrystalline diamond cathode. Temperature measurements from infrared thermography reveal highly localized heating due to nonuniform emission from the cathode. Power dissipation of 0.36 W produces a peak temperature increase of 12.5 K on the back surface of the water-cooled anode. Parameter estimation techniques are employed to predict the effective size of the heat source and the fraction of total power that is dissipated near hot spots. The estimates indicate effective heated radii of order 1 mm and power fractions in the range of 25% to 50%.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://telab.vuse.vanderbilt.edu/docs/harris04-MTE.pdf
Alternate Webpage(s)	http://tplab.vuse.vanderbilt.edu/docs/harris04-MTE.pdf
Language	English
Access Restriction	Open
Subject Keyword	CPU power dissipation Diamond Emitter Device Component Estimated Estimation theory Exanthema Experiment Fever Field electron emission Fractal dimension GNU nano Heating Lambert's cosine law Large Spectroscopy, Near-Infrared Thermal resistance Water cooling explanation thermography
Content Type	Text
Resource Type	Article

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