Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Toshiro Sato"'
Autor:
Makoto Sonehara, Toshiro Sato, Kubo Toshiya, Miyamoto Mitsunori, Kenta Shiota, Fujishiro Yuta
Publikováno v:
IEEE Transactions on Magnetics. 54:1-5
The Faraday-effect has been used for the measurement of magnetic field induced by electric current. Actually, an optical fiber sensor using the Faraday-effect has been developed as an alternative method of the current-transformer in the substation of
Publikováno v:
IEEE Transactions on Magnetics. 54:1-5
The authors proposed the iron-based metal composite bulk magnetic core for high efficient and lightweight MHz switching DC–DC converter using SiC/GaN power devices. Although the iron-based metal composite bulk magnetic core exhibited a lower core l
Publikováno v:
IEEE Transactions on Magnetics. 54:1-5
By introducing the SiC/GaN power devices, the high-frequency switching dc–dc converters are expected to have higher efficiency and lightweight. This paper focuses on the Fe-based amorphous alloy powder (Fe–Si–B–Cr–C based) used in the metal
Publikováno v:
IEEE Transactions on Magnetics. 53:1-5
In order to realize the $Q$ -factor increase scheme for a radio frequency (RF) spiral inductor used in the RF front/end circuit of smart phone handset, an introduction of carbonyl-iron powder (CIP)/epoxy composite magnetic core to air-core spiral ind
Publikováno v:
IEEE Transactions on Magnetics. 52:1-4
With the increase of the world’s population and the improvement of living standard, the need to use fresh water will accordingly rise. As a result, we will face the problem of water shortage. To ensure the supply of water in a stable manner, seawat
Publikováno v:
IEEE Sensors Journal. 13:2930-2936
A novel microelectromechanical systems (MEMS) Fabry-Perot tunable filter (FPTF) and calibration system for accurately controlling the wavelength of the transmission peak in the wide wavelength range of visible light are reported. The MEMS FPTF consis
Publikováno v:
IEEE Transactions on Magnetics. 49:4172-4175
Our research objective is to realize the basic technology for a next generation package-level power grid (PLPG) for plural application large scale integrated circuits (LSIs). In this study, a carbonyl-iron powder (CIP)/epoxy composite magnetic core,
Publikováno v:
IEEE Transactions on Power Electronics. 28:1994-2004
This paper describes a small-size buck-type dc–dc converter for cellular phones. Output power MOSFETs and control circuitry are monolithically integrated. The newly developed pulse frequency modulation control integrated circuit, mounted on a plana
Publikováno v:
IEEE Transactions on Magnetics. 49:978-981
In this paper, the authors have proposed a possibility of a magnetic field biasing tunable inductive device. To confirm a new scheme, a tunable coplanar waveguide (CPW) resonator with a combination of soft magnetic thin film and hard magnetic film ha
Autor:
H. Kobayashi, H. Ito, Toshiro Sato, Makoto Sonehara, Nobuhiro Matsushita, Shinya Okazaki, Asako Takeuchi, A. Takeshima, Y. Sugawa
Publikováno v:
IEEE Transactions on Magnetics. 47:3204-3207
Recently, research and development of integrated low-voltage dc-dc converter to LSIs has been active. In order to realize such integrated dc power supply, power magnetic devices must be integrated in it. The authors have fabricated planar power induc