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:
Aug. 17, 1999

Filed:

Nov. 21, 1997
Applicant:
Inventors:

Jan S Gallina, Torrance, CA (US);

Michael Brand, Los Angeles, CA (US);

Assignee:

Raytheon Company, Lexington, MA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ; H01F / ;
U.S. Cl.
CPC ...
336232 ; 336200 ; 336223 ;
Abstract

An approach that minimizes ground plane effects affecting planar inductors is disclosed. A magnetic disk is inserted between an inductor and a ground plane to isolate the magnetic field of the inductor and preserve its magnetic characteristics. The present invention isolates the inductor from the ground plane to maintain or improve inductor electrical performance. The magnetic material serves to increase the inductance to its original value (prior to adding the ground plane) with only a slight degradation in Q due to an increase in AC resistance. This approach permits development of higher current, higher power printed networks, components and circuits whose circuit designs have decreased volume, weight, and cost.


Find Patent Forward Citations

Gallina, Jan. (1999). Ground plane isolation of planar inductors using a magnetic disk (U.S. Patent No. 5939967). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5939967

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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