초록 ▼

A heat treatable coated article (e.g., vehicle windshield, IG unit, etc.) is provided with a dual-silver low-E coating. Before and/or after heat treatment (HT); the coating and/or coated article has a visible transmittance of at least 70%, more preferably at least 75%. Moreover, the coating and/or c

A heat treatable coated article (e.g., vehicle windshield, IG unit, etc.) is provided with a dual-silver low-E coating. Before and/or after heat treatment (HT); the coating and/or coated article has a visible transmittance of at least 70%, more preferably at least 75%. Moreover, the coating and/or coated article is designed so as to have approximately the same color when viewed over a wide range of viewing angles. In certain embodiments, at least one contact layer (e.g., of or including NiCrOx) that contacts an infrared (IR) reflecting layer (e.g., Ag) is oxidation graded so that it progressively becomes less oxidized through its thickness as it nears the IR reflecting layer. In still other embodiments, a Si-rich silicon nitride layer(s) may be utilized to reduce haze.

대표청구항 ▼

1. A method of making a coated article including an oxidation graded layer, the method comprising: providing a substrate;providing a sputtering apparatus including at least one target;introducing a first gas proximate a first side of the target and a second gas proximate a second side of the target,

1. A method of making a coated article including an oxidation graded layer, the method comprising: providing a substrate;providing a sputtering apparatus including at least one target;introducing a first gas proximate a first side of the target and a second gas proximate a second side of the target, the first gas including more oxygen than the second gas so that as the substrate passes below the target an oxidation graded layer is formed, the oxidation graded layer being more oxidized at one portion thereof than at another portion thereof; andwherein the oxidation graded layer contacts an IR reflecting layer in the coated article.2. The method of claim 1, wherein the target comprises Ni, and wherein the oxidation graded layer is sputtered directly onto the IR reflecting which comprises Ag and wherein the one portion of the graded layer that is more oxidized is further from the IR reflecting layer than is the another portion of the graded layer.3. The method of claim 1, wherein the oxidation graded layer comprises NiCrOx.4. The method of claim 1, wherein the oxidation graded layer is sandwiched between, and is in direct contact with, each of the IR reflecting layer which comprises silver and a nitride layer.5. A method of making a coated article, the method comprising: sputtering at least one dielectric layer onto a substrate;sputtering a first contact layer over the at least one dielectric layer;sputtering a metallic infrared (IR) reflecting layer directly on the first contact layer;sputtering a second contact layer directly on the metallic IR reflecting layer in a manner such that the second contact layer is oxidation graded and becomes progressively more oxidized through its thickness away from the IR reflecting layer.6. The method of claim 5, wherein the at least one dielectric layer comprises at least a silicon nitride layer.7. The method of claim 6, wherein the at least one dielectric layer further comprises a titanium dioxide layer.8. The method of claim 5, wherein the second contact layer comprises an oxide of Ni.9. The method of claim 8, wherein the second contact layer comprises NiCrOx.10. The method of claim 5, wherein the oxidation graded layer is sandwiched between, and is in direct contact with, each of the IR reflecting layer which comprises silver and a nitride layer.11. A method of making a coated article, the method comprising: providing a glass substrate;sputtering both a layer comprising silver and a contact layer on the glass substrate, so that the contact layer comprises a metal oxide and is in direct contact with the layer comprising silver; andwherein said sputtering of the contact layer which comprises the metal oxide is perfonned so that the contact layer is more oxidized at a location further from the layer comprising silver than at a location closer to the layer comprising silver.12. The method of claim 11, wherein the contact layer is sandwiched between and in direct contact with both a nitride layer and the layer comprising silver.13. The method of claim 11, wherein the contact layer comprises an oxide of NiCr.14. The method of claim 11, wherein the contact layer comprises an oxide of Ni.