Dichromated gelatin--some heretical comments

Nicholas J. Phillips; Richard D. Rallison; Christopher A. Barnett; Scott R. Schicker; Zane A. Coleman

doi:10.1117/12.155011

17 September 1993 Dichromated gelatin--some heretical comments

Nicholas J. Phillips, Richard D. Rallison, Christopher A. Barnett, Scott R. Schicker, Zane A. Coleman

Proceedings Volume 1914, Practical Holography VII: Imaging and Materials; (1993) https://doi.org/10.1117/12.155011
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1993, San Jose, CA, United States

Abstract

This paper looks at some ideas old and new that relate to the formation of images in dichromated gelatin. The traditional view that the dichromated system hardens gelatin thus preventing solubilization of the material must be balanced against other observations such as that of the reduction of the bulk index of the gelatin layer and the appearance of gelatin in the processing solutions. We revisit the problem and take a look at some new chemical ideas that relate to the behavior of gelatin during bleaching of silver halides. A new method for the processing of silver halide-sensitized gelatin (S.H.S.G.) is proposed which endows the silver halide emulsion with more than three orders of magnitude of speed when compared with D.C.G. per se.

Citation Download Citation

Nicholas J. Phillips, Richard D. Rallison, Christopher A. Barnett, Scott R. Schicker, and Zane A. Coleman "Dichromated gelatin--some heretical comments", Proc. SPIE 1914, Practical Holography VII: Imaging and Materials, (17 September 1993); https://doi.org/10.1117/12.155011

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