Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified backing or protective layer containing
Patent
1980-03-20
1981-12-29
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified backing or protective layer containing
430539, 430930, 430935, 430531, G03C 178
Patent
active
043083447
ABSTRACT:
A process for producing a photographic light-sensitive material comprising providing a first light-sensitive photographic emulsion layer on one side of a support having a surface resistivity greater than 10.sup.14 .OMEGA. and a thickness of not more than 230.mu. and providing a light-sensitive photographic emulsion layer or a gelatin-containing back layer on the opposite side of the support wherein between the time the first emulsion layer is coated and the time the opposite surface of the support is coated, (i) the opposite surface of the support is prevented from coming into contact with anything except rolls having a diameter larger than about 50 mm, and (ii) the water/gelatin weight ratio in the photographic emulsion layer(s) coated on the first surface of the support prior to coating the second surface is not less than 1. The process is particularly applicable to production of X-ray films.
REFERENCES:
patent: 3674534 (1972-07-01), Conniar
patent: 4048357 (1977-09-01), Van Paesschen et al.
Konno Takeshi
Omichi Takenori
Tatsuta Sumitaka
Brammer Jack P.
Fuji Photo Film Co. , Ltd.
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