Emissivity enhanced x-ray target

Details Emissivity enhanced x-ray target Emissivity enhanced x-ray target

1996-01-11

1997-05-13

Wong, Don

X-ray or gamma ray systems or devices

Source

Target

378127, 378141, H01J 3508

Patent

active

056299702

ABSTRACT:
An x-ray tube target includes an annular disk having an outer surface including front and back opposite faces, and an annular focal track fixedly joined to the disk front face for producing x-rays. The disk outer surface is rough away from the focal track, with surface roughness pits having width and depth dimensions greater than a wavelength of peak radiant emission of the target at operating temperature for increasing emissivity of the target to increase thermal radiation cooling thereof.

REFERENCES:
patent: 4320323 (1982-03-01), Magendans et al.
patent: 5204891 (1993-04-01), Woodruff et al.
Bedford, "Effective Emissivities of Blackbody Cavities--A Review,. " Temperature, Its Measurement and Control in Science and Industry, vol. 4, (Instrument Society of America, Pittsburgh) 1972, pp: 425-434 no month.

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