Advertisement

Selective Optical Coatings on Plastic Sheet

  • R. P. Howson
Conference paper

Summary

Transparent conducting oxide films have been produced by the vacuum process of reactive ion plating onto glass and plastic substrates at room temperature. These films have properties suited for the production of visibly transmitting, infra-red reflecting surfaces needed for a heat mirror which suppresses the radiative loss of heat in a window system. Optimum properties were achieved with careful control of the gas mixture and amount of substrate bias acquired by the substrate from the radio frequency used for the discharge. The oxides giving satisfactory properties include those of indium, indium doped with tin, indium doped with fluorine and cadmium/tin.

Heat mirrors have also been made from very thin film sandwiches of metals in various dielectrics.

Tests of the thermal performance of one square meter windows with simulated heat mirror systems have shown that an improvement in the performance of a double glazed unit can be obtained so that it is close to that of a cavity brick wall.

An economic assessment of the potentialities of a roll coating method of producing heat mirrors on the oxide system which has been created, suggests that a payback period of about three average months could be obtained in terms of manufacturing costs.

Keywords

Indium Oxide Plastic Substrate Payback Period Transparent Conducting Film Transparent Conducting Oxide Film 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    Glaser H J, Sputtering plant for the deposition of Au, Ag and Cu films on glass sheets up to 3 by 4 metres. Proc. 7th Intern. Vac. Confr. and 3rd Intern. Conf. Solid Surfaces, (Vienna, 1977), p.1575.Google Scholar
  2. 2.
    Fan J C C and Bachner F J, Transparent heat mirrors for solar energy applications. Applied Optics, 15 (1976), 1012.CrossRefGoogle Scholar
  3. 3.
    Vossen J L, Transparent conducting films. Physics of Thin Films, 9 (1977), 1.Google Scholar
  4. 4.
    Kostlin H, Double glazed windows with very good thermal insulation. Philips Tech. Rev., 34 (1974), 242.Google Scholar
  5. 5.
    Haache G, Mealmaker W E and Siegel L A, Sputter deposition and characterisation of Cd2 Sn O2 films. Thin Solid Films, 55 (1978), 67.CrossRefGoogle Scholar
  6. 6.
    Levin B P and Schumacher P E, A discussion of heat mirror film: Performance production processes and cost estimates. A report prepared for the U.S. Department of Energy—under contract no. W-7405-ENG-48.Google Scholar

Copyright information

© ECSC, EEC, EAEC, Brussels and Luxemburg 1980

Authors and Affiliations

  • R. P. Howson
    • 1
  1. 1.Department of PhysicsLoughborough University of TechnologyLoughboroughUK

Personalised recommendations