US Patent No: 5,362,536
Number of patents in Portfolio can not be more than 2000
Recordable optical element having a leuco dye
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Nov 8, 1994
Issued date -
Feb 19, 1993
filing date -
08/019,522
serial no -
Expired
status
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Abstract
There is disclosed a recordable optical element that includes a dye. The element has a substrate and on the surface of the substrate, a dye containing recording layer and a light reflecting layer. The dye is a leuco dye which upon exposure to a thermally-generated acid becomes an absorption dye.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,075,146 Optical recording medium | 9 | 1989 | |
| 5,100,711 Optical recording medium optical recording method, and optical recording device used in method | 24 | 1990 | |
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| 4,584,258 Recording and information record elements comprising telluropyrlium dyes | 15 | 1984 | |
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| 4,529,684 Composition suitable for use in the production of laser beam recording/reading means | 14 | 1984 | |
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| 4,940,618 Optical information recording medium | 55 | 1989 | |