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Journal of the Society of Motion Picture Engineers ( Volume: 37, Issue: 7, July 1941)
[ACTIVE]

Recent Advances in the Theory of the Photographic Process

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
A photographic film consists of a layer of gelatin coated on cellulose base in which are dispersed a great number of very small silver bromide crystals. When exposed to light, electrons are liberated in the crystals and these collect at certain points, where they are neutralized by silver ions which deposit atoms of metallic silver. This metallic silver deposited in definite specks forms what is known as the latent image, which makes possible the development of the crystal. The surface of each silver bromide crystal in the gelatin layer of an emulsion immersed in the developer is protected by charged layers of bromide and potassium ions. The development of the grain is initiated by the break in this charged layer caused by the presence of the silver latent image. When the developer acts on the silver bromide crystal, metallic silver is produced in a ribbon-like form, a tangled mass of which forms the developed silver grain.
Publication Date
1941-07-01
DOI
10.5594/J16545
Link
https://doi.org/10.5594/J16545
Author(s)
C. E. Kenneth Mees
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J16545.json

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C. E. Kenneth Mees; Recent Advances in the Theory of the Photographic Process, Journal of the Society of Motion Picture Engineers ( Volume: 37, Issue: 7, July 1941); SMPTE, 1941. Available at https://doi.org/10.5594/J16545
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C. E. Kenneth Mees; Recent Advances in the Theory of the Photographic Process, Journal of the Society of Motion Picture Engineers ( Volume: 37, Issue: 7, July 1941); SMPTE, 1941. Available at https://doi.org/10.5594/J16545

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C. E. Kenneth Mees; Recent Advances in the Theory of the Photographic Process, Journal of the Society of Motion Picture Engineers ( Volume: 37, Issue: 7, July 1941); SMPTE, 1941. Available at https://doi.org/10.5594/J16545
Snippet:
<span class="citation">C. E. Kenneth Mees; <cite>Recent Advances in the Theory of the Photographic Process</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 37, Issue: 7, July 1941); SMPTE, 1941. Available at <a href="https://doi.org/10.5594/J16545" target="_blank" rel="noopener">https://doi.org/10.5594/J16545</a></span>

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Preview:
C. E. Kenneth Mees; Recent Advances in the Theory of the Photographic Process, Journal of the Society of Motion Picture Engineers ( Volume: 37, Issue: 7, July 1941); SMPTE, 1941
doi: 10.5594/J16545
url: https://doi.org/10.5594/J16545
Snippet:
<li>
C. E. Kenneth Mees; <cite id="bib-10-5594-j16545">Recent Advances in the Theory of the Photographic Process</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 37, Issue: 7, July 1941); SMPTE, 1941
<span class="doi">10.5594/J16545</span>
</li>