High-frequency noise suppression in downsized circuits using magnetic granular films

Shigeyoshi Yoshida; Hiroshi Ono; Shinsuke Ando; Fumishiro Tsuda; Tetsuo Ito; Yutaka Shimada; Masahiro Yamaguchi; Ken Ichi Arai; Shigehiro Ohnuma; Tsuyoshi Masumoto

doi:10.1109/20.951185

High-frequency noise suppression in downsized circuits using magnetic granular films

Shigeyoshi Yoshida, Hiroshi Ono, Shinsuke Ando, Fumishiro Tsuda, Tetsuo Ito, Yutaka Shimada, Masahiro Yamaguchi, Ken Ichi Arai, Shigehiro Ohnuma, Tsuyoshi Masumoto

ENG - Electrical Engineering

Research output: Contribution to journal › Conference article › peer-review

93 Citations (Scopus)

Abstract

Noise suppression in downsized circuits utilizing magnetic granular films is demonstrated. Films of Fe-Al-O with thickness of 2 μm which exhibit very high μ″ dispersion in the quasimicrowave band were found to work as noise suppressors. The films were attached onto a micro-strip line and the transmission characteristics were compared. This work is the first to verify that films with only 2 μm thickness can play a role in suppression of high frequency conduction noise in the quasimicrowave band. The results suggest a possibility of thin film noise suppressors which can be integrated into micron scale semiconductor circuits.

Original language	English
Pages (from-to)	2401-2403
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	37
Issue number	4 I
DOIs	https://doi.org/10.1109/20.951185
Publication status	Published - 2001 Jul 1
Event	8th Joint Magnetism and Magnetic Materials -International Magnetic Conference- (MMM-Intermag) - San Antonio, TX, United States Duration: 2001 Jan 7 → 2001 Jan 11

Keywords

Conduction noise-suppression
EMC
Ferromagnetic granular film
Transmission characteristics

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/20.951185

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High-frequency noise suppression in downsized circuits using magnetic granular films. / Yoshida, Shigeyoshi; Ono, Hiroshi; Ando, Shinsuke; Tsuda, Fumishiro; Ito, Tetsuo; Shimada, Yutaka; Yamaguchi, Masahiro; Arai, Ken Ichi; Ohnuma, Shigehiro; Masumoto, Tsuyoshi.

In: IEEE Transactions on Magnetics, Vol. 37, No. 4 I, 01.07.2001, p. 2401-2403.

Research output: Contribution to journal › Conference article › peer-review

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abstract = "Noise suppression in downsized circuits utilizing magnetic granular films is demonstrated. Films of Fe-Al-O with thickness of 2 μm which exhibit very high μ″ dispersion in the quasimicrowave band were found to work as noise suppressors. The films were attached onto a micro-strip line and the transmission characteristics were compared. This work is the first to verify that films with only 2 μm thickness can play a role in suppression of high frequency conduction noise in the quasimicrowave band. The results suggest a possibility of thin film noise suppressors which can be integrated into micron scale semiconductor circuits.",

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AU - Yoshida, Shigeyoshi

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AU - Ando, Shinsuke

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AU - Ito, Tetsuo

AU - Shimada, Yutaka

AU - Yamaguchi, Masahiro

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AU - Ohnuma, Shigehiro

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AB - Noise suppression in downsized circuits utilizing magnetic granular films is demonstrated. Films of Fe-Al-O with thickness of 2 μm which exhibit very high μ″ dispersion in the quasimicrowave band were found to work as noise suppressors. The films were attached onto a micro-strip line and the transmission characteristics were compared. This work is the first to verify that films with only 2 μm thickness can play a role in suppression of high frequency conduction noise in the quasimicrowave band. The results suggest a possibility of thin film noise suppressors which can be integrated into micron scale semiconductor circuits.

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