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Optical coatings and associated methods

A technology for optical coatings and substrates, applied in coatings, optics, optical components, etc., to solve problems such as instability

Inactive Publication Date: 2008-07-30
VON ARDENNE ANLAGENTECHNIK GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In Patent No. 5,514,485, a multilayer film stack is described comprising a friction-resistant and chemically stable amorphous layer consisting mainly of oxides containing at least Zr, Ti, Sn, Ta, In, B, or Si. material, this layer has good mechanical and chemical resistance, but is not stable at high temperature, such as more than 300 degrees C

Method used

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  • Optical coatings and associated methods
  • Optical coatings and associated methods
  • Optical coatings and associated methods

Examples

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Embodiment 1

[0037] An example of a TiXO compound is Ti-Si-O. Titanium and silicon are immiscible in their oxidized state and form a solids-free solution. The Ti-Si-O compound is deposited on the glass using a co-sputtering process. While the other sputter targets were coated with silicon, one sputter target was coated with titanium, the pressure was 3.25 mtorr, and the process plasma consisted of 40 sccm oxygen and 35 sccm argon. A 643 angstrom film with 0% silicon dioxide atomic percent and 100% titanium dioxide atomic percent was deposited on a titanium sputtering target using a power of 5.0 kW and the substrate was sputtered in three passes at a pass rate of 6.2 hours / minute machine. And a 742 angstrom film with 13 atomic percent silicon dioxide and 87 atomic percent titanium dioxide was deposited using 5.0 kW for a titanium sputtering target and 0.3 kW for a silicon sputtering target, and the substrate Three passes through the spray machine at a rate of 6.2 hrs / min. Additionally, ...

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Abstract

An optical coating for a substrate comprises an amorphous material, which includes titanium oxide and one or more additives. Titanium oxide and the additive in an oxidized state do not form a solid solution. The amorphous material may be used in low-emissivity, double low-emissivity, and anti-reflection coatings. A method for coating a substrate comprises depositing a first anti-reflection layer of a dielectric over a substrate, depositing a metallic layer over the anti-reflection layer, and depositing a second anti-reflection layer of a dielectric over the metallic layer. At least one of the first anti-reflection layer and the second anti-reflection layer comprises the amorphous material.

Description

technical field [0001] The present invention relates to an optical coating for a substrate comprising an amorphous material. Background of the invention [0002] An optical coating usually consists of one or more layers of substances and is often applied to a substrate to adjust the properties of the substrate. These properties, such as the aesthetics and appearance of the substrate or the heating, cooling and internal solar balance of the substrate can be adjusted by applying thin films to the surface of the substrate using optical coating methods. For example, optical coatings can be used to slow the transmission of visible light (solar control coatings), reduce energy absorption (low-emissivity coatings), or reduce reflection (anti-reflective coatings). Additionally, a substrate with an optical coating may need to be reconditioned, eg, to form a flat substrate, to increase commercial value. Optical coatings can be applied to the substrate before or after conditioning. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B1/10G02B1/11G02B5/26B32B7/02B32B9/00C23C14/08G02B5/20
CPCG02B5/208G02B1/116G02B1/11
Inventor 兰德·大卫·丹恩贝尔格
Owner VON ARDENNE ANLAGENTECHNIK GMBH