Wet Printing of Motion-Picture Films with Liquid Application on a Variable Speed Step-Optical Printer

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 86, No. 7, pp. 473–475
Abstract: In optical printing with specular light traversing the film, scratches, cinch marks, and other blemishes on the film will appear as objectionable imperfections in the printed image. Liquid-gate and wet-printing methods can be used to reduce these defects to a degree, where the print will appear practically perfect. Wet printing, coating the film with a suitable liquid during its passage through the printing gate, has proven to be one very effective method. A new wet-printing method has been incorporated into a high-speed step-optical printer. The method achieves uniform liquid coating of the printed area of the master film, control of the rate of liquid application, control of film flatness at the point of application, application to both sides of the film, and effective drying prior to take-up. The system, its components, and operational features are described in detail.
Publication Date: 1977-07-01
DOI: 10.5594/J17475
ISSN: Print: 0036-1682
Link: https://doi.org/10.5594/J17475
Author(s): Walter HrastnikBell & Howell, Professional Equipment Division, 7100 McCormick Rd., Chicago, IL 60645
Copyright: © 1977 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

Wet-Gate Printing on a Continuous Contact Printer [Active]
Liquid Gate for the Projection of Motion-Picture Film [Active]
Specifically Designed Total-Immersion Liquid-Gate Printers [Active]
Submerged Negative Heads for Printing within a Liquid [Active]
Liquid Gate for Optical Printing [Active]
Printing Motion-Picture Films Immersed in a Liquid Part III: Evaluation of Liquids [Active]
Optical Printing of Liquid-Coated Negatives at Technicolor [Active]
Printing Motion-Picture Films Immersed in a Liquid: Part I: Contact Printing [Active]

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Walter Hrastnik; Wet Printing of Motion-Picture Films with Liquid Application on a Variable Speed Step-Optical Printer, SMPTE Journal ( Volume: 86, Issue: 7, July 1977); SMPTE, 1977. Available at https://doi.org/10.5594/J17475

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Walter Hrastnik; Wet Printing of Motion-Picture Films with Liquid Application on a Variable Speed Step-Optical Printer, SMPTE Journal ( Volume: 86, Issue: 7, July 1977); SMPTE, 1977. Available at https://doi.org/10.5594/J17475

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<span class="citation">Walter Hrastnik; <cite>Wet Printing of Motion-Picture Films with Liquid Application on a Variable Speed Step-Optical Printer</cite>, SMPTE Journal ( Volume: 86, Issue: 7, July 1977); SMPTE, 1977. Available at <a href="https://doi.org/10.5594/J17475" target="_blank" rel="noopener">https://doi.org/10.5594/J17475</a></span>

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<li>
Walter Hrastnik; <cite id="bib-10-5594-j17475">Wet Printing of Motion-Picture Films with Liquid Application on a Variable Speed Step-Optical Printer</cite>, SMPTE Journal ( Volume: 86, Issue: 7, July 1977); SMPTE, 1977
<span class="doi">10.5594/J17475</span>
</li>