Heat reflecting glass

Details Heat reflecting glass Heat reflecting glass

1996-04-01

1999-04-13

Turner, Archene

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428216, 428336, 428428, 428432, 428697, 428699, 428701, 428702, 359359, 359580, 359582, 359586, 359589, B32B 700

Patent

active

058940472

ABSTRACT:
The invention relates to a heat reflecting glass pane. This glass pane has a transparent glass plate and a multilayer coating formed on one side of the glass plate. The multilayer coating includes a first heat-reflecting layer formed on a surface of the glass plate, and a second layer formed on the first layer. The first layer has a first refractive index from 2.0 to 3.5, a first extinction coefficient from 0.2 to 1.5, and a first thickness from 20 to 80 nm. The second layer has a second refractive index from 1.6 to 2.3, a second extinction coefficient not higher than 0.03, and a second thickness from 10 to 100 nm. The second refractive index is smaller than the first refractive index. The heat reflecting glass pane does not so much reduce the reflectance of a visible light incident on the glass plate from the uncoated side, but substantially reduces the reflection of a visible light incident on the second layer from the coated side.

REFERENCES:
patent: 3660061 (1972-05-01), Donley et al.
patent: 4971843 (1990-11-01), Michelotti et al.
patent: 5168003 (1992-12-01), Proscia
H.K. Pulker, "Coatings on Glass", Thin Films Science and Technology, 6, Elsevier, 1984, pp. 359, 365-367.
JP-A-59 184744, Japan, vol. 009, No. 041, Feb. 21,1985, (abst.).
JP-A-03 164449, Japan, vol. 015, No. 403, Jul. 16, 1991 (abst.).

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