Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent
1989-03-20
1990-08-28
Envall, Jr., Roy N.
Electric heating
Heating devices
With heater-unit housing, casing, or support means
219543, 219549, H05B 316
Patent
active
049527835
ABSTRACT:
Flexible heater panels comprising a light transmitting film substrate and a transparent conductive layer vacuum deposited on the substrate formed of (1) a light transmitting flexible plastic film substrate and (2) a vacuum deposited transparent conductive layer on a surface of the substrate selected from the group consisting of (i) a single lamina of tin oxide or indium tin oxide, (ii) a first lamina of indium oxide on the surface of the substrate and a second lamina of indium tin oxide over the first lamina, or (iii) a first lamina of tin oxide, indium oxide or indium tin oxide on the surface of the substrate, a second lamina of silver, platinum or palladium or alloys thereof over the first lamina, and a third lamina of tin oxide, indium oxide or indium tin oxide over the second lamina.
REFERENCES:
patent: 4320169 (1982-03-01), Yatabe
Aufderheide Brian E.
Kelley Wayne R.
Robrecht Michael J.
Envall Jr. Roy N.
W. H. Brady Co.
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