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Journal of the Society of Motion Picture and Television Engineers ( Volume: 55, Issue: 1, July 1950)
[ACTIVE]

A Method of Measuring Electrification of Motion Picture Film Applied to Cleaning Operations

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
A dielectric, such as photographic film, becomes electrified when rubbed or passed over rollers. The electrostatic charges which are generated attract dust and dirt particles to the film. Since dirt is objectionable to both the manufacturer and the user of film, means are sought to reduce electrification. This paper describes a method that has been devised to evaluate roller-film combinations electrostatically. Film is brought to a given potential, either positive or negative, and the change in potential measured as it passes over a test roller. Typical data for a variety of rollers are presented. The work was extended to test the effect of rubbing film with cleaning pads of velvet and mouton fur. Measurements were also made with solvents applied to a velvet cleaning pad.
Publication Date
1950-07-01
DOI
10.5594/J05172
Link
https://doi.org/10.5594/J05172
Author(s)
H. W. Cleveland
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H. W. Cleveland; A Method of Measuring Electrification of Motion Picture Film Applied to Cleaning Operations, Journal of the Society of Motion Picture and Television Engineers ( Volume: 55, Issue: 1, July 1950); SMPTE, 1950. Available at https://doi.org/10.5594/J05172
Snippet:
H. W. Cleveland; A Method of Measuring Electrification of Motion Picture Film Applied to Cleaning Operations, Journal of the Society of Motion Picture and Television Engineers ( Volume: 55, Issue: 1, July 1950); SMPTE, 1950. Available at https://doi.org/10.5594/J05172

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H. W. Cleveland; A Method of Measuring Electrification of Motion Picture Film Applied to Cleaning Operations, Journal of the Society of Motion Picture and Television Engineers ( Volume: 55, Issue: 1, July 1950); SMPTE, 1950. Available at https://doi.org/10.5594/J05172
Snippet:
<span class="citation">H. W. Cleveland; <cite>A Method of Measuring Electrification of Motion Picture Film Applied to Cleaning Operations</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 55, Issue: 1, July 1950); SMPTE, 1950. Available at <a href="https://doi.org/10.5594/J05172" target="_blank" rel="noopener">https://doi.org/10.5594/J05172</a></span>

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Preview:
H. W. Cleveland; A Method of Measuring Electrification of Motion Picture Film Applied to Cleaning Operations, Journal of the Society of Motion Picture and Television Engineers ( Volume: 55, Issue: 1, July 1950); SMPTE, 1950
doi: 10.5594/J05172
url: https://doi.org/10.5594/J05172
Snippet:
<li>
H. W. Cleveland; <cite id="bib-10-5594-j05172">A Method of Measuring Electrification of Motion Picture Film Applied to Cleaning Operations</cite>, Journal of the Society of Motion Picture and Television Engineers ( Volume: 55, Issue: 1, July 1950); SMPTE, 1950
<span class="doi">10.5594/J05172</span>
</li>