US 12,244,048 B2
Frequency selective limiter having an enhanced bandwidth
Michael Geiler, Boston, MA (US)
Assigned to Metamagnetics Inc., Marlborough, MA (US)
Filed by Metamagnetics, Inc., Westborough, MA (US)
Filed on May 26, 2022, as Appl. No. 17/804,151.
Application 17/804,151 is a continuation of application No. 16/871,553, filed on May 11, 2020, granted, now 11,349,185.
Claims priority of provisional application 62/846,103, filed on May 10, 2019.
Prior Publication US 2022/0285813 A1, Sep. 8, 2022
Int. Cl. H01P 1/218 (2006.01); H01P 11/00 (2006.01)
CPC H01P 1/218 (2013.01) [H01P 11/007 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A device, comprising:
a free-standing Yttrium Iron Garnet (YIG) film having first and second opposing surfaces;
a metal layer disposed on a first one of the first and second opposing surfaces of the YIG film to provide the YIG film with a metalized surface; and
a first transducer disposed on a second one of the first and second surfaces of the YIG film and configured to launch magnetostatic surface waves (MSSWs) on the second one of the first and second surfaces of the YIG film.