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Any of several stable, light-fast, blue or green organic pigments used in enamels and plastics.
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Phthalocyanine dye reacts quicker to the writing laser than dyes found in most CD-Rs on the market, Delkin notes, thus making sharper pit edges and making the CD-R easier to read by CD drives.
The combination of phthalocyanine dye and gold delivers a lifespan claimed by Delkin at 300 years, using the accelerated aging process of the U.
Phthalocyanine dye is more responsive to the writing laser; cleaner, better-defined pits are created, resulting in fewer errors when burning data to the CD.
These discs utilize a new phthalocyanine dye formulation that produces accurate recording pits at low or high recording speeds and has a data life exceeding 100 years," says Jim Riggs, optical engineer at Verbatim Corporation.
The RICOH Platinum CD-R disc is based on Ricoh's patented advanced phthalocyanine dye which has significant advantages over today's CD-R media and can be used in almost all other third party CD-R disc drives.
Featuring Ricoh's newly developed, advanced phthalocyanine dye, the media is optimized for today's multispeed recorders ranging from 1x through 6x speeds.
Mitsui Advanced Media uses a patented phthalocyanine dye in the production of its recordable CDs.
In one example, PS-PMMA resins were blended with PEG and phthalocyanine dyes, and then molded into disks for holographic recording.