Patent Number: 6,512,424

Title: High frequency nonreciprocal circuit element with a protruding embedded magnetized member

Abstract: A magnetic member 2 for nonreciprocal circuit is fitted in a first hole formed in a dielectric substrate 1 and at least one magnetic member 3 is fitted in a second hole formed in a portion of the dielectric substrate 1, which surrounds the first hole. An electrical conductor is printed on surfaces of the dielectric substrate 1 and the magnetic member 2 for nonreciprocal circuit to form a micro strip line 4. A grounding conductor 5 is formed on the other surface of the dielectric substrate 1. Changing the magnetization of the magnetic member 3 for frequency regulation can reversibly perform a regulation of the frequency characteristics of the nonreciprocal circuit.

Inventors: Furuya; Mitsuru (Tokyo, JP), Myohga; Osamu (Tokyo, JP), Okada; Yoshitsugu (Tokyo, JP)

Assignee: NEC Corporation

International Classification: H01P 1/387 (20060101); H01P 1/32 (20060101); H01P 001/387 ()

Expiration Date: 01/28/2020