High frequency helical amplifier and oscillator

H - Electricity – 01 – J

Patent

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Details

H01J 23/26 (2006.01) H01J 25/34 (2006.01)

Patent

CA 2678885

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.

L'invention concerne une catégorie d'amplificateurs et d'oscillateurs de longueurs d'ondes millimétriques et sub-millimétriques fonctionnant avec des circuits miniaturisés à ondes lentes à hélices fabriqués selon une technologie de microfabrication. Les hélices sont portées par des tiges de support diélectriques au diamant. Le diamant est le meilleur conducteur thermique possible, et il peut être collé à l'hélice. Le faisceau électronique est transmis, non par le centre de l'hélice, mais autour de son extérieur. Dans certaines configurations, la puissance RF produite peut rayonner directement à partir du circuit à ondes lentes. Ce procédé de fabrication, qui est applicable au-dessus de 60 GHz, est compatible avec une production en série.

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