Investigation of magneto-dielectric thin films as substrates for patch antennas

Author

Grange, Francois ; Garello, Kevin ; Benevent, Evangeline ; Bories, Serge ; Viala, Bernard ; Delaveaud, Christophe ; Mahdjoubi, Kouroch

Author_Institution

CEA-LETI, MINATEC, Grenoble

fYear

2009

fDate

23-27 March 2009

Firstpage

1909

Lastpage

1913

Abstract

In the present paper we discuss the effect of magneto-dielectric laminated thin films on the characteristics of a patch antenna. The results found in the literature for antenna using bulk magneto-dielectric substrates are revised and discussion is addressed to the practical case of mu and epsiv larger than unity. We present an original solution based on a high permeability thin film suitable for microwave regime. It consists in using a combination of ultrahigh magnetization and ultrahigh exchange-biased FeCo multilayers with dielectrics. Measurements are presented using the microwave composite as a prospective patch antenna substrate.

Keywords

magnetic multilayers; magnetic permeability; microstrip antennas; high permeability; magneto-dielectric thin film; microwave regime; patch antenna; ultrahigh exchange-biased FeCo multilayer; ultrahigh magnetization; Antenna measurements; Dielectric measurements; Dielectric substrates; Dielectric thin films; Magnetic multilayers; Magnetization; Microwave measurements; Patch antennas; Permeability; Transistors;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation, 2009. EuCAP 2009. 3rd European Conference on

Conference_Location

Berlin

Print_ISBN

978-1-4244-4753-4

Electronic_ISBN

978-3-00-024573-2

Type

conf

Filename

5067990