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Proceedings Paper

Media design of iD PHOTO disk with the CAD structure
Author(s): Hiroshi Ido; Masafumi Yoshihiro; Akira Inaba; Hiroki Takao; Satoru Ohnuki; Katsusuke Shimazaki; Hitoshi Terasaki; Minoru Kume
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Paper Abstract

We have developed a new MO(Magneto-Optical) disk, which is named iD(image/intelligent disk) PHOTO, as a promising candidate for a digital still camera memory. The iD PHOTO disk achieves 730MB/disk in a 50.8mm diameter by adopting some techniques mainly as follows, CAD (center aperture detection) type Magnetic Super Resolution reading, recording both on land and in groove, magnetic field modulation writing with irradiation of a pulsed laser beam, and PR(1,1) code. The iD PHOTO disk is required high performance in various environments, for it is used in a portable drive. As one of the most important factors, we have previously reported a reduction of electric power consumption by reducing the recording magnetic field. Here, we introduce thermal structure design of iD PHOTO disk to be suit for a drive in a digital still camera.

Paper Details

Date Published: 10 January 2002
PDF: 5 pages
Proc. SPIE 4342, Optical Data Storage 2001, (10 January 2002); doi: 10.1117/12.453424
Show Author Affiliations
Hiroshi Ido, Hitachi Maxell, Ltd. (Japan)
Masafumi Yoshihiro, Hitachi Maxell, Ltd. (Japan)
Akira Inaba, Hitachi Maxell, Ltd. (Japan)
Hiroki Takao, Hitachi Maxell, Ltd. (Japan)
Satoru Ohnuki, Hitachi Maxell, Ltd. (Japan)
Katsusuke Shimazaki, Hitachi Maxell, Ltd. (Japan)
Hitoshi Terasaki, Sanyo Electric Co., Ltd. (Japan)
Minoru Kume, Sanyo Electric Co., Ltd. (Japan)


Published in SPIE Proceedings Vol. 4342:
Optical Data Storage 2001

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