Thirty-Nanosecond Radiography

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: The newly practical field emission electron source has considerable radiographic significance in view of its very large current density, up to 108 amp/sq cm, or about a million times greater than that of the thermal emitter, heated wire, used in conventional x-ray tubes. As a result it is now possible to obtain high resolution radiographs, e.g. 2 mil, in very short exposure times of 30 nanosec. In one application, a sharp radiograph was obtained of 7-mil particles traveling at a velocity of 16,000 ft/sec. The present paper describes a new small portable x-ray system which was developed for very high radiographic information rates. It also reviews briefly the recent, but earlier, development of higher voltage equipments based on the T-F emission cathode which operates at intermediate current densities, e.g. 1000 amp/sq cm, and information rates.
Publication Date: 1962-02-01
DOI: 10.5594/J06194
Link: https://doi.org/10.5594/J06194
Author(s): W. P. Dyke, F. J. Grundhauser, F. M. Collins, N. W. Stunkard

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W. P. Dyke, F. J. Grundhauser, F. M. Collins, and N. W. Stunkard; Thirty-Nanosecond Radiography, Journal of the SMPTE ( Volume: 71, Issue: 2, February 1962); SMPTE, 1962. Available at https://doi.org/10.5594/J06194

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W. P. Dyke, F. J. Grundhauser, F. M. Collins, and N. W. Stunkard; Thirty-Nanosecond Radiography, Journal of the SMPTE ( Volume: 71, Issue: 2, February 1962); SMPTE, 1962. Available at https://doi.org/10.5594/J06194

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<span class="citation">W. P. Dyke, F. J. Grundhauser, F. M. Collins, and N. W. Stunkard; <cite>Thirty-Nanosecond Radiography</cite>, Journal of the SMPTE ( Volume: 71, Issue: 2, February 1962); SMPTE, 1962. Available at <a href="https://doi.org/10.5594/J06194" target="_blank" rel="noopener">https://doi.org/10.5594/J06194</a></span>

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W. P. Dyke, F. J. Grundhauser, F. M. Collins, and N. W. Stunkard; Thirty-Nanosecond Radiography, Journal of the SMPTE ( Volume: 71, Issue: 2, February 1962); SMPTE, 1962
doi: 10.5594/J06194
url: https://doi.org/10.5594/J06194

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<li>
W. P. Dyke, F. J. Grundhauser, F. M. Collins, and N. W. Stunkard; <cite id="bib-10-5594-j06194">Thirty-Nanosecond Radiography</cite>, Journal of the SMPTE ( Volume: 71, Issue: 2, February 1962); SMPTE, 1962
<span class="doi">10.5594/J06194</span>
</li>