Multiple-layer heat barrier

Details Multiple-layer heat barrier Multiple-layer heat barrier

1981-10-13

1984-05-22

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428432, 428458, 428469, 428480, 428696, 428698, B32B 1500

Patent

active

044502010

ABSTRACT:
To provide a heat barrier structure, for example a polyester or glass substrate (11, 21, 31) which includes a metal reflective layer (13, 25, 33) has, additionally, a dielectric cover layer applied, for example, in an argon-oxygen-nitrogen atmosphere, which forms a dielectric layer thereover which includes a nitride, so that the cover layer, or the layer or layers immediately adjacent the metal, will have improved resistance against external mechanical, chemical and electrochemical influences and specifically improved corrosion resistance, while retaining excellent light transmissivity characteristics and high reflection to long infrared heat radiation. The invention also provides a heat barrier structure in which a corrosion inhibiting protective layer is positioned between the transparent substrate and the metal reflective layer and the at least one dielectric cover layer. The invention also provides a heat barrier structure wherein the side of the transparent substrate which is not covered by said metal layer and said dielectric cover layer is covered by an anti-reflection layer to provide a structure having improved light transmission characteristics.

REFERENCES:
patent: 3698946 (1972-10-01), Kaspaul et al.
patent: 4017661 (1977-04-01), Gillery
patent: 4022947 (1977-05-01), Grubb et al.
patent: 4153518 (1979-05-01), Holmes et al.
patent: 4166876 (1979-09-01), Chiba et al.
patent: 4284687 (1981-08-01), Dreyer et al.

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