CERAMIC MATERIAL FOR NON-RECIPROCAL CIRCUIT ELEMENT AND ITS PRODUCTION METHOD

Title:

CERAMIC MATERIAL FOR NON-RECIPROCAL CIRCUIT ELEMENT AND ITS PRODUCTION METHOD

Document Type and Number:

Japanese Patent JP2006206384

Kind Code:

A

Abstract:

To provide a ceramic material for a non-reciprocal circuit element showing a low magnetic resonance half value width (ΔH) suitable in a microwave region of ≥1 GHz.

To Ni-Zn-Mn ferrite, zirconium in an amount to significantly cause the reduction of a magnetic resonance half value width (ΔH) which is specified in the relation with its saturation magnetization is added.

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Inventors:

SUZUKI KAZUAKI

Application Number:

JP2005020922A

Publication Date:

August 10, 2006

Filing Date:

January 28, 2005

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Assignee:

TDK CORP

International Classes:

C04B35/30; H01F1/34; H01P1/32; H01P11/00; C01G53/00

Domestic Patent References:

JPH10152371A	1998-06-09
JP2001203105A	2001-07-27

Attorney, Agent or Firm:

Masao Okabe
Nobuaki Kato
Kazuo
Okabe
Shinichi Usui
Ikuo Fujino
Takao Ochi
Teruhisa Motomiya
Seiichiro Takahashi
Koji Yoshizawa
Takao Matsui

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