Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Deformation imaging – e.g. – frost imaging – etc.
Patent
1994-08-23
1996-05-28
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Deformation imaging, e.g., frost imaging, etc.
G03G 1600
Patent
active
055210406
ABSTRACT:
An electrode 2c and a pinene polymer recording layer 2a with a molecular weight of 500 to 10000 are successively stacked on a substrate 2c, as shown in FIG. 3. By carrying out thermal development, information electric charge that is formed on the resin surface is formed into a thermally stable frost image without decay of the information electric charge. Since no photoconductive layer is needed, when transmitted or reflected light is used to reproduce the frost image, there is no effect of the coloring of a photo-conductive layer. If exposure is effected under the application of a voltage, since the depth of dimple patterns of a frost image varies in accordance with the quantity of exposure energy, tonal reproducibility is obtained. In addition, it is possible to obtain high resolution and make an original for OHP, a microfilm, a slidefilm, etc. which is of good quality and has high fidelty to the original document.
REFERENCES:
patent: 3858973 (1975-01-01), Heurtley
patent: 3949160 (1976-04-01), Heurtley
patent: 3973957 (1976-08-01), Montgomery
patent: 3973958 (1976-08-01), Bean
patent: 4233380 (1980-11-01), Moraw et al.
Iijima Masayuki
Kamiyama Hironori
Obata Hiroyuki
Okabe Masato
Utsumi Minoru
Dai Nippon Printing Co. Ltd.
Goodrow John
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