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Featured researches published by Masanori Fukushi.


asia pacific magnetic recording conference | 2003

Hard disk drive servo technology for media-level servo track writing

Kazuhiko Takaishi; Yukihiro Uematsu; Tomoyoshi Yamada; Mitsuo Kamimura; Masanori Fukushi; Yasumasa Kuroba

Hard disk drive (HDD) servo technology for media-level servo track writing (MLSTW) is developed. MLSTW is the process of writing servo signals on magnetic disks before they are assembled in drives. It supplies a solution to achieve low-cost and accurate means of servo-signal writing. The HDD servo controller for MLSTW drives compensates for radial and rotational distortions of the servo signals (e.g., track-address, eccentricities, and servo-signal timing) that are inherent in the MLSTW method. The authors prove that the positioning accuracy is improved and the seek time is unchanged by using the new servo controller for HDDs with MLSTW disks.


Archive | 2003

Servo track writing device and method thereof

Tohru Harada; Taizan Kobayashi; Toshinori Kasuga; Yukio Ozaki; Eiji Takada; Hirofumi Ohsawa; Masanori Fukushi


Archive | 2003

Servo data writing device

Masanori Fukushi; Masaru Ishijima


Archive | 1998

Method of writing servo tracks on magnetic disc and device for the same

Masanori Fukushi; Tetsuya Nagai


Archive | 2003

Method of positioning disk-shaped medium

Toshiya Kato; Terushige Arai; Masanori Fukushi


Archive | 2007

Servo information recording device and servo information recording method

Toshiya Kato; Masanori Fukushi


asia-pacific magnetic recording conference | 2002

HDD servo technology for media-level servo track writing

Kazuhiko Takaishi; Yukihiro Uematsu; Tomoyoshi Yamada; Mitsuo Kamimura; Masanori Fukushi; Yasumasa Kuroba


Archive | 2006

Disk apparatus, information processing system, and information providing apparatus

Kazuhiko Takaishi; Tomoyoshi Yamada; Masanori Fukushi; Tsugito Maruyama; Hiroyuki Suzuki


Archive | 2006

Disk-device correcting system, information managing device, master-disk producing device, and master-disk producing method

Hiroyuki Suzuki; Tomoyoshi Yamada; Masanori Fukushi; Kazuhiko Takaishi; Tsugito Maruyama; Sumio Kuroda


Archive | 2006

DISK DEVICE, INFORMATION PROCESSING SYSTEM AND INFORMATION PROVIDING DEVICE

Masanori Fukushi; Tsugihito Maruyama; Hiroyuki Suzuki; Kazuhiko Takaishi; Tomoyoshi Yamada; 次人 丸山; 朋良 山田; 雅則 福士; 啓之 鈴木; 和彦 高石

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