An Integrated LTCC Inductor Embedding NiZn Ferrite

Author

Kim, Hee-Jun ; Kim, Young-Jin ; Kim, Jong-Ryoul

Author_Institution

Sch. of Electr. & Comput. Sci., Hanyang Univ., Kyunggi-Do

Volume

42

Issue

10

fYear

2006

Firstpage

2840

Lastpage

2842

Abstract

An integrated inductor using the low-temperature cofired ceramics (LTCC) technology for low-power electronics was fabricated. In the inductor, NiZn ferrite sheet (mu_R=230) was embedded to increase inductance. The inductor has Ag spiral coil with 14 turns (seven turns times two layers), a dimension of 0.6 mm in width, 10 mum in thickness, and 0.15 mm in pitch. To evaluate the inductance, including the parasitic resistance, the fabricated inductor was simulated and measured. It was confirmed that simulated values were very close to the measured values. Finally, the maximum quality factor of 20.53 was obtained at 5 MHz for the inductor

Keywords

coils; ferrites; inductors; low-power electronics; nickel compounds; zinc compounds; 0.6 mm; 10 micron; 5 MHz; Ag spiral coil; LTCC; NiZn; NiZn ferrite; embedding; integrated inductor; low power electronics; low temperature cofired ceramics; maximum quality factor; parasitic resistance; planar type inductor; Ceramics; Coils; Electrical resistance measurement; Ferrites; Frequency; Inductance measurement; Inductors; Magnetic devices; Residual stresses; Spirals; Low-temperature cofired ceramics (LTCC) inductor; NiZn ferrite; parasitic resistance; planar-type inductor;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2006.879741

Filename

1704456