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:
Feb. 12, 1991
Filed:
Apr. 16, 1990
Applicant:
Inventors:
Edward M Godshalk, Beaverton, OR (US);
Keith E Jones, Aloha, OR (US);
Assignee:
Cascade Microtech, Inc., Beaverton, OR (US);
Primary Examiner:
Int. Cl.
CPC ...
H01P / ;
U.S. Cl.
CPC ...
333239 ; 333 26 ;
Abstract
A waveguide configuration have a longitudinal ridge directly opposing a longitudinal trough. The ridge provides broadband signal transmission characteristics of ridge waveguides and may extend within the trough to result in a virtually horizontal electric field configuration.