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Proceedings Paper

A DWDD disc of 27-Gbit/in2 land-groove recording using a blue laser and side-wall-annealing technique
Author(s): Jun Sumioka; Yukari Aoki; Kazuoki Hongu; Yasushi Hozumi; Osamu Koyama
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Paper Abstract

We realized acceptable read/write performances at a track pitch of 320 nm and a bit length of 75 nm, even with an NA of 0.65 and a wavelength of 405 nm, using side-wall-annealing. In addition to this result, we suggested the possibility of a higher linear density; that is, a jitter value of less than 15% was obtained both on land and in groove at a bit length of 60 nm, which corresponds to an areal density of 34 Gbit/in2.

Paper Details

Date Published: 9 September 2004
PDF: 11 pages
Proc. SPIE 5380, Optical Data Storage 2004, (9 September 2004); doi: 10.1117/12.556692
Show Author Affiliations
Jun Sumioka, Canon Inc. (Japan)
Yukari Aoki, Canon Inc. (Japan)
Kazuoki Hongu, Canon Inc. (Japan)
Yasushi Hozumi, Canon Inc. (Japan)
Osamu Koyama, Canon Inc. (Japan)


Published in SPIE Proceedings Vol. 5380:
Optical Data Storage 2004

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