Write-once optical recording medium

Details Write-once optical recording medium Write-once optical recording medium

2006-10-24

2006-10-24

Mulvaney, Elizabeth (Department: 1774)

Stock material or miscellaneous articles

Circular sheet or circular blank

C428S064400, C428S064800, C430S270140, C369S275400

Reexamination Certificate

active

07125594

ABSTRACT:
A write-once optical recording medium has a transparent resin substrate having a concentric groove or a spiral groove and having recessed cells defining recording regions that are arranged in the groove, a recording film comprising an organic dye formed to fill the cells, and a metal reflection film formed on the recording film.

REFERENCES:
patent: 5500266 (1996-03-01), Durnin
patent: 5591501 (1997-01-01), Ovshinsky et al.
patent: 5799007 (1998-08-01), Lee et al.
patent: 5904969 (1999-05-01), Kamezaki et al.
patent: 2003/0193882 (2003-10-01), Suenaga et al.
patent: 7-287866 (1995-10-01), None
patent: 2000-276770 (2000-10-01), None
Notification of Reasons for Rejection issued by Japanese Patent Office mailed Mar. 14, 2006, in Japanese Application No. 2003-201130, and English translation of Notice.

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