Vacuum contacting process for photographic elements

Details Vacuum contacting process for photographic elements Vacuum contacting process for photographic elements

1989-04-28

1991-03-05

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Registration or layout process other than color proofing

430327, 430396, 430496, 427294, 427296, 428147, G03F 900, G03C 104

Patent

active

049977350

ABSTRACT:
A process of contacting two photographic elements by juxtaposing the elements and drawing a vacuum between them is described wherein at least one of the elements has been exposed and processed and comprises a support having thereon, as the outermost layer facing the other element, a matte layer comprising matte particles and a polymeric binder. This process is improved by utilizing as the matte layer a layer comprising less than about 1.08 g/m.sup.2 of binder and having matte particles that are present in an amount sufficient and have a mean diameter great enough so that the outermost layer has a roughness measurement, R.sub.a as defined by ANSI Standard B46.1 1985, of greater than about 1.00 microinches.

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patent: 4855219 (1989-08-01), Bagchi et al.

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