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:
May. 22, 1979
Filed:
Sep. 19, 1977
Applicant:
Inventors:
Robert Harper, Concord, MA (US);
Robert M Unger, Wayland, MA (US);
Assignee:
Raytheon Company, Lexington, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
315-35 ; 165185 ; 313 42 ; 313-36 ;
Abstract
A travelling wave tube of the coupled cavity type including a slow wave propagating structure comprised of a linear array of transverse plates axially spaced apart to provide a sequential series of interposed cavities, each of the plates having a cavity coupling aperture radially spaced from an electron beam transmitting aperture and spanned by at least one thermally conductive, dielectric member made of diamond material, which has respective surface areas disposed in thermal contact with opposing side walls of the cavity coupling aperture.