Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1989-05-09
1991-06-11
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...
430208, 430209, 430498, G03C 554, G03C 196
Patent
active
050231634
ABSTRACT:
A monosheet type self-processing film unit comprising a masking member formed with an image area defining opening, a photosensitive sheet, a developer containing pod, a trapping member, a transparent cover sheet, and a spacer member interposed between the photosensitive and transparent cover sheets. A method of making the same comprises the steps of attaching pods and trapping members to opposite edges on one surface of a long sheet, punching out a series of image area defining openings in the long sheet between each pair of the paired pods and trapping members, attaching a web-like photosensitive sheet to the long sheet, attaching both ends of a spacer member longer than the width of the photosensitive sheet to the one surface of the long sheet between the adjacent two image area defining openings, attaching a web-like transparent sheet onto the one surface of the long sheet, folding both sides of the long sheet so as to enclose the pods and the trapping members, respectively, and cutting the long sheet overlapping with and interposed between the photosensitive and transparent sheets along a center line of each spacer member to separate film units.
REFERENCES:
patent: 4273852 (1981-06-01), Lange et al.
patent: 4312939 (1982-01-01), McCole
patent: 4352879 (1982-10-01), Hara
patent: 4490456 (1984-12-01), Feasey
patent: 4556631 (1985-12-01), Sato et al.
Kataoka Hideaki
Simizu Tooru
Bowers Jr. Charles L.
Chea Thorl
Fuji Photo Film Co. , Ltd.
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