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Proceedings Paper

Effect of a desensitization by the shell precipitation on chemically sensitized AgHal core microcrystals
Author(s): Boris A. Sechkarev; Larisa V. Sotnikova; Timothy A. Larichev; Marina I. Ryabova
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Paper Abstract

Photographic systems with a separate photographic change carriers capture in depth and on a surface of emulsion microcrystals (`core-shell') have a great importance for photographic technology (direct positive, infra-red films and etc.) and also for scientific investigation. We have precipitated AgBr(I) core microcrystals (with AgI content from 0 up to 6 mol.%), which then were subjected to chemical sensitization of various types (reduction, S, S+Au, Au). A sensitometric study of the covered by shell of various thickness and halide composition initial microcrystals has been carried out. An effect of the loss of internal sensitivity is found. A nature of this effect is proposed and ways of its elimination are offered.

Paper Details

Date Published: 1 January 1998
PDF: 3 pages
Proc. SPIE 3347, Optical Information Science and Technology (OIST97): Optical Recording Mechanisms and Media, (1 January 1998); doi: 10.1117/12.301433
Show Author Affiliations
Boris A. Sechkarev, Kemerovo State Univ. (Russia)
Larisa V. Sotnikova, Kemerovo State Univ. (Russia)
Timothy A. Larichev, Kemerovo State Univ. (Russia)
Marina I. Ryabova, Kemerovo State Univ. (Russia)


Published in SPIE Proceedings Vol. 3347:
Optical Information Science and Technology (OIST97): Optical Recording Mechanisms and Media
Andrei L. Mikaelian, Editor(s)

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