The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 12, 2005
Filed:
Feb. 13, 2003
James A. Dayton, Jr., Cleveland, OH (US);
James A. Dayton, Jr., Cleveland, OH (US);
Genvac Aerospace Corporation, Richmond Heights, OH (US);
Abstract
A slow wave circuit () of a traveling wave tube includes a three-dimensional conductive structure (). A dielectric film () coats selected portions of the three-dimensional conductive structure (). An outer housing () surrounds the three-dimensional conductive structure () . The outer housing () includes interior surfaces that connect with the dielectric film (). In a method for generating or amplifying microwave energy, a three-dimensional conductive structure is laser micromachined to define a selected generally periodic pattern thereon. The conductive structure is arranged inside a generally hollow barrel. An electron beam passes through the generally hollow three-dimensional structure and interacts with the conductive structure and the generally hollow barrel to generate or amplify the microwave energy.