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:
May. 10, 2022
Filed:
May. 07, 2020
Applicant:
Metamagnetics, Inc., Westborough, MA (US);
Inventor:
Michael Geiler, Boston, MA (US);
Assignee:
Metamagnetics, Inc., Westborough, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/387 (2006.01);
U.S. Cl.
CPC ...
H01P 1/387 (2013.01);
Abstract
Described is a self-biased circulator which includes an active layer disposed between an RF ground plane and a circulator junction circuit. The RF ground plane is disposed between the active layer and a compensating layer. The active layer and compensating layer are used in combination to reduce variation of the internal magnetic field in the circulator over temperature.