High frequency helical amplifier and oscillator
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United States of America Patent
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Jan 7, 2014
Grant Date -
Jul 26, 2012
app pub date -
Mar 22, 2012
filing date -
Feb 21, 2007
priority date (Note) -
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Abstract
Disclosed herein is a class of mm and sub mm wavelength amplifiers and oscillators operating with miniature helical slow wave circuits manufactured using micro fabrication technology. The helices are supported by diamond dielectric support rods. Diamond is the best possible thermal conductor, and it can be bonded to the helix. The electron beam is transmitted, not through the center of the helix, but around the outside. In some configurations the RF power produced may be radiated directly from the slow wave circuit. The method of fabrication, which is applicable above 60 GHz, is compatible with mass production.
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