Electrically activated charge sensitive recording material and p

Details Electrically activated charge sensitive recording material and p Electrically activated charge sensitive recording material and p

1978-06-26

1979-05-22

Martin, Jr., Roland E.

Gas separation: apparatus

Magnetic separating means

96 48HD, 204 2, G03G 1300, G03G 1312

Patent

active

041557603

ABSTRACT:
A non-silver, charge-sensitive recording composite element having an ohmic resistivity of at least about 1.times.10.sup.10 ohm-cm comprising (a) a first electrically conducting layer in association with (b) a photoconductor layer, (c) a non-silver, electrically activated recording layer comprising an image-forming combination of (i) a certain tellurium (II) coordination complex with (ii) a reducing agent, and a binder and (d) a second electrical conducting layer can provide a non-silver image having a density equal to silver images. Silica, especially colloidal silica, is also very useful in the recording layer. The recording element can be room light handleable and can provide a developed image by dry development processes.

REFERENCES:
patent: 3700448 (1972-10-01), Hillson et al.
patent: 3829317 (1974-08-01), Case
patent: 3893854 (1975-07-01), Howjo et al.
patent: 4113484 (1978-09-01), Lelental et al.

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