Tamaki Toba | Researchain

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ieee international magnetics conference | 2000

Co-Ni-Fe write heads with a 10-/spl mu/m yoke length for high-speed recording

Yoshihiro Nonaka; Hiroaki Honjo; Tamaki Toba; Shinsaku Saito; Tsutomu Ishi; Mikiko Saito; Nobuyuki Ishiwata; Keishi Ohashi

We have developed a Co-Ni-Fe write head with a short yoke length for high-speed recording. By reducing the yoke length to 9.5 /spl mu/m, the eddy currents induced in a yoke with a relatively low resistivity (0.2 /spl mu//spl Omega/m) were reduced. The head of this short yoke had good write performance for a medium with a coercivity of 400 kA/m (5000 Oe) at frequencies up to 250 MHz (the overwrite less than -30 dB, and nonlinear transition shift less than 7%).

Archive | 2000

Magnetic head, method for making the same and magnetic recording/reproducing device using the same

Hiroaki Honjo; Nobuyuki Ishiwata; Tsutomu Ishi; Mikiko Saito; Shinsaku Saito; Tamaki Toba; Yoshihiro Nonaka

Archive | 2006

Thin-film magnetic head and magnetic storage apparatus using the same

Shinsaku Saitho; Haruo Urai; Nobuyuki Ishiwata; Kiyotaka Shimabayashi; Yoshihiro Nonaka; Tamaki Toba

Archive | 2004

Magnetic head having an antistripping layer for preventing a magnetic layer from stripping

Hiroaki Honjo; Tsutomu Ishi; Mikiko Saito; Shinsaku Saito; Tamaki Toba; Yoshihiro Nonaka; Kazuhiko Hayashi; Nobuyuki Ishiwata

Archive | 2000

Magnetoresistive head having ferromagnetic tunnel junction film with a smaller resistance at a terminal portion than a central portion, magnetic resistance detection system with the magnetoresistive head and a magnetic storage system using it

Kazuhiko Hayashi; Masafumi Nakada; Eizo Fukami; Kiyokazu Nagahara; Hiroaki Honjou; Kunihiko Ishihara; Tamaki Toba; Hisanao Tsuge; Atsushi Kamijo

Archive | 2002

Thin film electromagnet and switching device comprising it

Nobuyuki Ishiwata; Hiroaki Honjo; Tamaki Toba; Shinsaku Saito; Keishi Ohashi

Archive | 2000

Co-Fe-Ni magnetic film having a high saturation magnetic flux density, composite thin film magnetic head using the film and magnetic memory device using the head

Keishi Ohashi; Mikiko Saito; Tamaki Toba

Archive | 2004

Magnetic head and manufacturing method thereof and magnetic recording and reproducing apparatus

Nobuyuki Ishiwata; Tsutomu Ishi; Mikiko Saito; Hiroaki Honjo; Shinsaku Saito; Tamaki Toba; Yoshihiro Nonaka

Archive | 2001

Thin film structure member, manufacturing method thereof, and switching element using the thin film structure member

Hiroaki Honjo; Nobuyuki Ishiwata; Hiroyuki Ohashi; Shinsaku Saito; Tamaki Toba; 啓之大橋; 信作斉藤; 弘明本庄; 延行石綿; 環鳥羽

Archive | 1999

Thin film magnetic head, manufacturing method thereof and magnetic storage

Yoshihiro Nonaka; Haruo Urai; Nobuyuki Ishiwata; Kiyotaka Shimabayashi; Tetsuhiro Suzuki; Shinsaku Saitho; Hiroaki Tachibana; Tamaki Toba

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