Title :
Fabrication and Evaluation of the Directional Coupler Using CoFeB Metallic Magnetic Film/Polyimide Dielectric Film Hybrid Transmission Line
Author :
Takizawa, K. ; Mizuta, S. ; Nakazawa, M. ; Sato, T. ; Yamasawa, K. ; Miura, Y. ; Miyake, Y. ; Akie, M. ; Uehara, Y. ; Munakata, M. ; Yagi, M.
Author_Institution :
Shinshu Univ., Nagano
Abstract :
In this paper, the authors have reported a new directional coupler for the cellular phones with an operating frequency of 0.8-2 GHz, which consisted of a coupled microstrip structure with an amorphous CoFeB magnetic thin film and a polyimide dielectric film.
Keywords :
amorphous magnetic materials; boron alloys; cobalt alloys; dielectric thin films; directional couplers; iron alloys; magnetic thin films; metallic thin films; polymer films; transmission lines; amorphous magnetic thin film; automatic power control circuit; cellular phones; directional coupler fabrication; frequency 0.8 GHz to 2 GHz; hybrid transmission line; metallic magnetic film; polyimide dielectric film; Cellular phones; Couplings; Dielectric films; Directional couplers; Fabrication; Frequency; Magnetic films; Microstrip; Polyimides; Transmission lines;
Conference_Titel :
Magnetics Conference, 2006. INTERMAG 2006. IEEE International
Conference_Location :
San Diego, CA
Print_ISBN :
1-4244-1479-2
DOI :
10.1109/INTMAG.2006.376157
