Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1989-03-17
1991-11-19
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430351, 250318, 250319, G03C 500, G03C 1100, G03F 734
Patent
active
050665626
ABSTRACT:
A method of heating an image formation sheet of the present invention comprises heating while winding the image formation sheet around the periphery of a drum during heat developing and heat transfer. When the total length of the image formation sheet is greater than the length of a contact portion on the periphery of a drum, the image formation sheet and a sheet on which an image is formed are heated while being conveyed at a constant speed so that the heating time is over a given value. While when the total length of the image formation sheet is less than the length of the contact portion on the periphery of the drum, the image formation sheet is wound around the drum at a speed higher than the constant speed, and is heated for development in a stationary state, and is subsequently separated from the drum at the higher speed than the constant speed.
REFERENCES:
patent: 4620096 (1986-10-01), Takehara et al.
Bowers Jr. Charles L.
Duda Kathleen
Fuji Photo Film Co. , Ltd.
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