Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product
Patent
1986-05-13
1988-11-22
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
430461, 430945, 428900, 3461351, G01D 900, G11B 724, G03C 172
Patent
active
047865857
ABSTRACT:
A method of forming an image and a radiation-sensitive medium suitable for carrying an image is disclosed. The medium comprises a substrate having a surface structure comprising grooves with a depth of 20 to 100 nanometers. At or close to the surface structure there is a layer of radiation-responsive material which is such that irradiation of selected parts of the structure with radiation of a predetermined polarization causes radiation to be absorbed at the irradiated parts of the surface so that corresponding areas of the radiation-responsive layer are affected in a way which makes such areas distinguishable from the remaining, non-irradiated areas of the radiation-responsive layer. An image and/or data may be stored in such a medium in analogue, digital or pictorial form, or in a combination of any two or all three of these forms. The invention also provides primary and secondary pre-formed data carrying media, the secondary media being replicated from the primary media. A primary pre-formed data carrying medium is formed by selectively irradiating a radiation-sensitive medium of the invention so as to form an image representative of a predetermined amount of data.
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Humberstone Victor C.
Pettigrew Robert M.
Buscher Mark R.
Michl Paul R.
Plasmon Data Systems, Incorporated
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