Antifingerprint property of the hard coat for cartridge-free Blu-ray disc

Naoki Hayashida; Hidetake Itoh; Kenji Yoneyama; Tatsuya Kato; Kazushi Tanaka; Hajime Utsunomiya

doi:10.1117/12.533131

16 September 2003 Antifingerprint property of the hard coat for cartridge-free Blu-ray Disc

Naoki Hayashida, Hidetake Itoh, Kenji Yoneyama, Tatsuya Kato, Kazushi Tanaka, Hajime Utsunomiya

Proceedings Volume 5069, Optical Data Storage 2003; (2003) https://doi.org/10.1117/12.533131
Event: Optical Data Storage 2003, 2003, Vancouver, Canada

Abstract

We made improvements on the previously reported hard-coat for cartridge-free Blu-ray disc from a viewpoint of an anti-fingerprint property. As a result of this study, two types of the hard-coat have been obtained. One is for Blu-ray discs of ROM and write-once types, and the other is for that of rewritable type. The former well inhibited a deterioration of bit error rate (bER) of the signal written prior to the fingerprint adhesion. The later exhibited low bER for the data signals written both before and after the fingerprint adhesion. These results are attributable to the area ratio of drops of fingerprint-ingredient on the disc surface, and the low area ratio resulted in a low bER. Moreover, it was confirmed that the disc with higher contact angle of oily compound exhibited the lower area ratio of the fingerprint.

Citation Download Citation

Naoki Hayashida, Hidetake Itoh, Kenji Yoneyama, Tatsuya Kato, Kazushi Tanaka, and Hajime Utsunomiya "Antifingerprint property of the hard coat for cartridge-free Blu-ray Disc", Proc. SPIE 5069, Optical Data Storage 2003, (16 September 2003); https://doi.org/10.1117/12.533131

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