Patent · US Expired

Microwave circulator on a substrate

US4222015A · kind A · utility

4Cited by

2References

4Claims

0Family size

Assignee

Licentia Patent-Verwaltungs-GmbH · DE

Inventors

Wolfgang Hauth · Backnang, DE
Wolfgang Ehrlinger · Backnang, DE

Key dates

Filing date	Sep 21, 1978
Grant date	Sep 9, 1980
Priority date	—
Expiry date	Sep 21, 1998

Classification

Technology area (CPC H)Electricity
CPC primaryH01P1/387
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A microwave circulator comprising a substrate having a resonator affixed to one side thereof and a ferrite element affixed to the other. The side of the substrate to which the ferrite element is secured is covered with metal on the surface surrounding the ferrite element and is electrically and mechanically coupled to a metallized coating on the periphery of the ferrite element. The surface of the ferrite element projecting from the substrate is also metallized.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.