Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1991-03-28
1993-03-23
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430502, 430568, 430588, 430963, 430966, G03C 118, G03C 146
Patent
active
051962993
ABSTRACT:
A radiographic element is disclosed comprised of a transparent film support and spectrally sensitized tabular grain silver halide emulsion layer units coated on opposite sides of the film support. At least one of the emulsion layer units is comprised of tabular grains having a thickness of less than 0.2 micrometer accounting for greater than 50 percent of total grain projected area and exhibiting an average tabularity of greater than 25. Adsorbed to the surface of the tabular grains is at least one benzimidazolocarbocyanine dye chosen for its high level of absorption in the mid-green spectral region at the emission line of gadolinium oxysulfide, terbium activated intensifying screens and its low residual stain in the fully processed film.
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Anderson Richard B.
Dickerson Robert E.
Link Steven G.
Macon Fred M.
Weber, II Wayne W.
Baxter Janet C.
Bowers Jr. Charles L.
Eastman Kodak Company
Thomas Carl O.
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