Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1999-01-19
2000-01-04
Huff, Mark F.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430569, 430634, 430637, 430638, G03C 1035, G03C 1043, G03C 1053
Patent
active
060108401
ABSTRACT:
A method has been described for preparing a gelatinous emulsion having grains rich in silver choride, wherein at least 70%, and more preferred 90%, of the total projected area of all grains is provided by {111} tabular grains having an average aspect ratio of more than 2:1, an average equivalent circular diameter of at least 0.3 .mu.m and an average thickness of from 0.05 to 0.25 .mu.m , wherein a percent variation on average equivalent circular diameter of said tabular grains is 30% or less and wherein a percent variation on average thickness of said tabular grains is 20% or less and wherein said tabular grains are present in percent numerical amounts of at least 90%, said method comprising following steps:
REFERENCES:
patent: 4943618 (1990-07-01), Stoy et al.
patent: 5215879 (1993-06-01), Suzuki et al.
patent: 5252692 (1993-10-01), Lovy et al.
patent: 5753422 (1998-05-01), Shibahara et al.
patent: 5759759 (1998-06-01), Adin et al.
patent: 5807664 (1998-09-01), Suzuki
Louwet Frank
Verbeeck Ann
Vermant Nadia
Verrept Peter
Agfa-Gevaert N.V.
Huff Mark F.
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