Title :
A new 1 MHz-9 GHz thin-film permeameter
Author :
Yamaguchi, M. ; Miyazawa, Y. ; Kaminishi, K. ; Arai, K.I.
Author_Institution :
Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan
fDate :
March 30 2003-April 3 2003
Abstract :
In this paper, we propose a new permeameter utilizing travelling electromagnetic field mode and a shielded-loop type planar pickup coil. We report RF packing technique to ensure measurements up to 9GHz, improved S/N ratio by 30dB.
Keywords :
cobalt alloys; coils; fixtures; magnetic thin films; niobium alloys; permeability; zirconium alloys; 1 MHz to 9 GHz; CoNbZr; RF packing; electromagnetic field; shielded-loop type planar pickup coil; thin film permeameter; Analytical models; Coils; Frequency; Impedance; Magnetic analysis; Magnetic materials; Magnetic shielding; Permeability; Signal detection; Transistors;
Conference_Titel :
Magnetics Conference, 2003. INTERMAG 2003. IEEE International
Conference_Location :
Boston, MA, USA
Print_ISBN :
0-7803-7647-1
DOI :
10.1109/INTMAG.2003.1230536
