Magnetic Discs for Video Recording

Metadata

Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: Plated magnetic discs are now available to store video information which can be reproduced millions of times. With plated discs, the designer can manipulate the key magnetic parameters to suit his particular needs. The coercivity, remanent flux, loop squareness and frequency-response characteristics can be readily changed. In addition, the use of a variety of plated overcoats can produce discs with a high hardness and a low coefficient of friction. The development of these techniques now permits the production of discs which operate at substantially lower writing speeds to achieve a given signal performance. Methods of measuring the essential characteristics of plated magnetic discs have also been developed.* While precision-plated discs cannot compete with oxide-coated discs in price, their cost can be justified in applications where higher performance is required.
Publication Date: 1971-04-01
DOI: 10.5594/J08906
Link: https://doi.org/10.5594/J08906
Author(s): Donald B. MacLeod

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Donald B. MacLeod; Magnetic Discs for Video Recording, Journal of the SMPTE ( Volume: 80, Issue: 4, April 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J08906

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Donald B. MacLeod; Magnetic Discs for Video Recording, Journal of the SMPTE ( Volume: 80, Issue: 4, April 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J08906

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Donald B. MacLeod; Magnetic Discs for Video Recording, Journal of the SMPTE ( Volume: 80, Issue: 4, April 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J08906

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<span class="citation">Donald B. MacLeod; <cite>Magnetic Discs for Video Recording</cite>, Journal of the SMPTE ( Volume: 80, Issue: 4, April 1971); SMPTE, 1971. Available at <a href="https://doi.org/10.5594/J08906" target="_blank" rel="noopener">https://doi.org/10.5594/J08906</a></span>

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Donald B. MacLeod; Magnetic Discs for Video Recording, Journal of the SMPTE ( Volume: 80, Issue: 4, April 1971); SMPTE, 1971
doi: 10.5594/J08906
url: https://doi.org/10.5594/J08906

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Donald B. MacLeod; <cite id="bib-10-5594-j08906">Magnetic Discs for Video Recording</cite>, Journal of the SMPTE ( Volume: 80, Issue: 4, April 1971); SMPTE, 1971
<span class="doi">10.5594/J08906</span>
</li>