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Featured researches published by Takao Goto.


Archive | 1989

Improved SQUID Magnetometer with an External Feedback Circuit

Yutaka Igarashi; Takao Goto; Takehiko Hayashi; N. Fujimaki; Kenji Kawabe; Takaki Shimura; Hajime Hayashi

The large magnetic noise and weak magnetic signal level of the heart and brain in magnetic measurement require that a magnetometer have a wide dynamic range and be highly sensitive. The single-chip digital SQUID magnetometer proposed by Fujirnaki (Fujirnaki, 1988) featured an internal superconducting feedback circuit that made it compact (3.0 mm × 3.5 mm), but its dynamic range was limited by the volume of magnetic flux stored in the superconducting feedback loop.


Archive | 1990

Digital SQUID control system for measuring a weak magnetic flux

Hajime Hayashi; Yutaka Igarashi; Takehiko Hayashi; Takao Goto; Shinichi Amemiya


Archive | 1991

Multichannel squid flux meter

Yutaka Igarashi; Takao Goto; Takehiko Hayashi; Yoshiyasu Nakashima; N. Fujimaki; Hajime Hayashi; Kohtaroh Gotoh


Archive | 1991

Multichannel SQUID flux meter having multiplexed SQUID flux sensors

Yutaka Igarashi; Takao Goto; Takehiko Hayashi; Yoshiyasu Nakashima; N. Fujimaki; Hajime Hayashi; Kohtaro Gotoh


Archive | 1990

Multi-channel squid fluxmeter with time division feedback

Takao Goto; Yutaka Igarashi; Takehiko Hayashi


Archive | 1994

Biologic magnetometer for determining an electric current distribution in a living organ

Takehiko Hayashi; Takaki Shimura; Takao Goto; Yoshiyasu Nakashima


Archive | 1990

Multi-channel squid fluxmeter

Takao Goto; Yutaka Igarashi; Takehiko Hayashi


Archive | 1992

Digital magnetic flux measuring apparatus using superconducting quantum interference device with flux trapping prevention features

Takao Goto; Yutaka Igarashi; Takehiko Hayashi; Yoshiyasu Nakashima


Archive | 1991

Digital magnetic flux measuring apparatus using superconducting quantum interference device

Yutaka Niihashi Igarashi; Takao Goto; Takehiko Hayashi; Yoshiyasu Nakashima


Archive | 1990

Pick-up coil assemblies and system for use in a multi-channel squid magnetometer

Yutaka Igarashi; Takao Goto; Takehiko Hayashi

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