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:
Oct. 17, 2000
Filed:
May. 01, 1998
Applicant:
Inventors:
Nitin Jain, Nashua, NH (US);
John Stephen Atherton, Somerville, MA (US);
Paul John Schwab, Hudson, NH (US);
Graham J Wells, Dracut, MA (US);
Assignee:
The Whitaker Corporation, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P / ; H01P / ;
U.S. Cl.
CPC ...
333-1 ; 333238 ;
Abstract
An apparatus for propagating high frequency energy hag a wavelength of .lambda. in a dielectric medium has first and second signal lines, substantially coplanar with each other, and carrying high frequency energy, A ground trace separates the signal lines and has a plurality of vias, each spaced a distance greater than one quarter .lambda. and less than one half .lambda. apart from another one of the vias.