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:
Nov. 02, 1999
Filed:
Aug. 29, 1994
Subhash C Narang, Redwood City, CA (US);
Asutosh Nigam, Redwood City, CA (US);
Sei-ichi Yokoi, Redwood City, CA (US);
Robert C Schmitt, Palo Alto, CA (US);
Kenneth J Harker, Los Altos, CA (US);
Mark A McHenry, Menlo Park, CA (US);
SRI International, Menlo Park, CA (US);
Abstract
Novel devices for providing shielding from and absorption of broadband electromagnetic radiation, and methods of manufacturing and using these devices, are disclosed. The device is comprised of a perforated electrical absorbing layer, containing conductive polymers, laminated to a metal plate. Additional layers may be incorporated into the device including one or more additional layers of electrical absorbing layers, magnetic absorbing layers and impedance matching layers.