Optical recording disk, method for making and using the same

Details Optical recording disk, method for making and using the same Optical recording disk, method for making and using the same

2005-06-14

2005-06-14

Mulvaney, Elizabeth (Department: 1774)

Stock material or miscellaneous articles

Circular sheet or circular blank

C428S064400, C428S064800, C430S270160

Reexamination Certificate

active

06905749

ABSTRACT:
An optical recording disk includes at least a recording layer containing an organic compound containing a porphyrin system dye as a primary component and a light transmission layer which transmits a laser beam having a wavelength of 390 to 420 nm on a support substrate in this order, the porphyrin system dye having a minimal value nminof a refractive index n within a wavelength region of 390 nm to 420 nm and a refractive index n equal to or lower than 1.2 with respect to the laser beam having the wavelength of 390 to 420 nm and absorbing the laser beam having the wavelength of 390 to 420 nm to be melted or decomposed, whereby the refractive index thereof changes and data are recorded in the optical recording disk.According to the thus constituted optical recording disk, it is possible to record data therein using a bluish-violet laser beam having a wavelength of 390 to 420 nm and reproduce data therefrom using a bluish-violet laser beam having a wavelength of 390 to 420 nm.

REFERENCES:
patent: 4908442 (1990-03-01), Narang et al.
patent: 4950579 (1990-08-01), Debe et al.
patent: 5064952 (1991-11-01), Chang et al.
patent: 5087390 (1992-02-01), Sounik et al.
patent: 5658707 (1997-08-01), Takuma et al.
patent: 5871882 (1999-02-01), Schmidhalter et al.
patent: 6576321 (2003-06-01), Mihara et al.
patent: 2003/0118937 (2003-06-01), Nara et al.
patent: 01-174488 (1989-07-01), None
patent: 06-295469 (1994-10-01), None
patent: 08-127174 (1996-05-01), None
patent: 11-058965 (1999-03-01), None
patent: 11-221964 (1999-08-01), None
patent: 11-334207 (1999-12-01), None
patent: 2001-138633 (2001-05-01), None
patent: 2001-287462 (2001-10-01), None
patent: 2001-287465 (2001-10-01), None

Affiliated with

Also associated with

Rating

Optical recording disk, method for making and using the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical recording disk, method for making and using the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical recording disk, method for making and using the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3469392