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.

Date of Patent:
Feb. 14, 1995

Filed:

Feb. 19, 1993
Applicant:
Inventors:

Ajit P Paranjpe, Plano, TX (US);

Steve S Huang, Richardson, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ; H05H / ;
U.S. Cl.
CPC ...
1187 / ; 1187 / ; 1187 / ; 1187 / ; 315111210 ; 315111510 ;
Abstract

A surfatron 12 is provided which includes first waveguide 32 coupled to a section of coaxial waveguide 30 to define a cavity 28 at the intersection therebetween. The coaxial waveguide 30 includes an outer cylinder 36 and an inner cylinder 34 disposed within the outer cylinder 36. Inner cylinder 34 has an end disposed proximate to a wall of first section of waveguide 32. A space 40 is defined between the end of inner cylinder 34 and the wall of waveguide 32. A discharge tube 22 is provided having a first portion disposed within inner cylinder 34 and a second portion extending through space 40 between the end of inner cylinder 34 and the wall of waveguide 32. A coil 38 is disposed around the portion of discharge tube 22 extending through space 40 between the end of inner cylinder 34 and the wall of waveguide 32.


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