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US 4,537,798 AGranted
Semi-reflective glazing comprising a nickel-chromium-molybdenum alloy anchoring layer
AssigneeSaint-Gobain Vitrage
InventorSabatino Cohen
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AssigneeSaint-Gobain Vitrage
InventorSabatino Cohen
Estimating the term…
A process for making semi-reflective metallized glasses containing an anchoring layer, said anchoring layer being deposited by vacuum evaporation from an alloy comprising nickel in an amount of from about 40-70% by weight, chromium in an amount of from about 5-31% by weight, and molybdenum in an amount of from about 3-28% by weight. The anchoring layer may also be deposited from an alloy of nickel, chromium, molybdenum and at least one metal selected from the group of tungsten, iron and cobalt, in an amount of from about 55-75% by weight nickel, iron and cobalt, from about 5-31% by weight chromium, and from about 3-28% by weight molybdenum and tungsten. The anchoring layer is deposited upon the surface of a support glass by vacuum evaporation after which one or more layers may be deposited upon this anchoring layer.
In the process for making semi-reflective metallized glasses, the improvement which comprises vacuum depositing an anchoring layer of a nickel base alloy containing at least 3% molybdenum and at least 5 percent chromium by thermal evaporation from an evaporation crucible upon at least one face of a glass substrate, said alloy providing increased deposition rates, improved properties of the deposit, and the elimination or substantial reduction of corrosion and/or the breakage of said crucible.
In the process for making semi-reflective metallized glasses, the improvement which comprises vacuum depositing from a tungsten evaporation crucible an anchoring layer of a nickel-chromium-molybdenum alloy upon at least one face of a glass substrate, said alloy comprising about 40-70% by weight nickel, about 5-31% by weight chromium, and about 3-28% by weight molybdenum, followed by depositing at least one semi-reflective layer upon said anchoring layer.
In the process for making semi-reflective metallized glasses, the improvement which comprises vacuum depositing from a tungsten evaporation crucible an anchoring layer of a nickel-chromium-molybdenum alloy upon at least one face of a glass substrate, said alloy comprising about 55-75% by weight of nickel, iron and cobalt, about 5-31% by weight chromium, and about 3-28% by weight molybdenum and tungsten, followed by depositing at least one semi-reflective layer upon said anchoring layer.
Dependencies are inferred from the claim text.