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:
Aug. 05, 2003
Filed:
Sep. 27, 2001
Applicant:
Inventor:
Stephen Jensen, Towson, MD (US);
Assignee:
Andrew Corporation, Orland Park, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 1/03 ;
U.S. Cl.
CPC ...
H05K 1/03 ;
Abstract
A circuit board of the present invention is adapted to suppress electromagnetic interference. Such a circuit board comprises an electrically conductive transmission layer defining a circuit pattern, a ferrite layer comprising a ferrite powder spaced from the electrically conductive layer transmission layer, and an insulating layer, positioned between the transmission layer and the ferrite layer, wherein the insulating layer permits transmission of the electromagnetic interference through the insulating layer.