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US 12,606,483 B2Granted
Multi-layer insulated glass unit comprising a low CTE glass layer
AssigneeCorning Incorporated
InventorsThomas Bertin-Mourot, James Gregory Couillard, Michael Aaron McDonald
Life of this patent
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Abstract
An insulated glass unit is described and includes at least a first glass layer, a second glass layer and a third glass layer disposed therebetween. The third glass layer is separated from the first glass layer and the second glass layer by first and second sealed gap spaces. The third glass layer has a low CTE as compared to the CTE of the first and/or second glass layers. In some instances, the third glass layer has a CTE of less than 70×10−7/° C. over a temperature range of 0-300° C.
Claims16
An insulated glass unit comprising:
- a first glass layer comprising soda lime glass;
- a second glass layer comprising soda lime glass;
- a third glass layer disposed between the first and second glass layers, wherein the third glass layer comprises a boro-aluminosilicate glass;
- a first sealed gap space defined between the first glass layer and the third glass layer;
- and
- a second sealed gap space defined between the second glass layer and the third glass layer, wherein the first sealed gap space and the second sealed gap space are hermetically sealed from one another;
- wherein both of the first and second glass layers have a thickness within a range of from about 3 mm to about 8 mm;
- wherein the third glass layer has a coefficient of thermal expansion (CTE) over a temperature range 0-300° C. of 10-25×10−7/° C. and a thickness from 0.3 mm to 1.2 mm;
- and
- wherein the third glass layer exhibits a maximum tensile stress of less than 1 MPa when the first glass layer is 60° C. and the insulated glass unit is assembled at 20° C., at a first glass layer reference thickness of 4 mm, and at a second glass layer reference thickness of 6 mm, and at a third glass layer reference thickness of 0.7 mm, and at third glass layer reference width and length dimensions of 1265 mm and 989 mm.
7 more elements
An insulated glass unit comprising:
- a first glass layer comprising soda lime glass;
- a second glass layer comprising soda lime glass;
- a third glass layer disposed between the first and second glass layers, wherein the third glass layer comprises a boro-aluminosilicate glass;
- a first sealed gap space defined between the first glass layer and the third glass layer;
- and
- a second sealed gap space defined between the second glass layer and the third glass layer, wherein the first sealed gap space and the second sealed gap space are hermetically sealed from one another;
- wherein both of the first and second glass layers have a thickness within a range of from about 3 mm to about 8 mm;
- wherein the third glass layer has a coefficient of thermal expansion (CTE) over a temperature range 0-300° C. of 10-25×10−7/° C. and a thickness from 0.3 mm to 1.2 mm;
- wherein at least one of an inner surface of the first glass layer, an inner surface of the second glass layer, or a major surface of the third glass layer is coated with at least one low emissivity coating;
- and
- wherein the third glass layer exhibits a deflection of less than 1 mm when the third glass layer is −40° C. and the insulated glass unit is assembled at 20° C., at a first glass layer reference thickness of 4 mm, and at a second glass layer reference thickness of 6 mm, and at a third glass layer reference thickness of 0.7 mm.
8 more elements
An insulated glass unit comprising:
- a first glass layer;
- a second glass layer;
- a third glass layer disposed between the first and second glass layers, wherein the third glass layer comprises a boro-aluminosilicate glass;
- a first sealed gap space defined between the first glass layer and the third glass layer;
- and
- a second sealed gap space defined between the second glass layer and the third glass layer;
- wherein both of the first and second glass layers have a thickness within a range of from about 3 mm to about 8 mm;
- and
- wherein the third glass layer has a coefficient of thermal expansion (CTE) over a temperature range 0-300° C. of 10-25×10−7/° C. and a thickness from 0.3 mm to 1.2 mm.
6 more elements
Dependencies are inferred from the claim text.