G02B5/0875

Battery-Powered deposition system and process for making reflective coatings
20180217304 · 2018-08-02 ·

A battery powered deposition system and process for applying aluminum, silver, and SiO films (and their derivatives such as aluminum oxide, aluminum nitride and silicon dioxide) especially for making broadband reflective coatings for mirrors. One or more filaments are wetted with a filament wetting material such as aluminum or a silver alloy. In a preferred embodiment filaments are heated quickly to a high temperature with an array of batteries and the filament wetting material is deposited as a reflective coating on the mirror.

Rearview mirror assembly for vehicle

A mirror reflective element assembly for a vehicle includes an electrically variable reflectance mirror reflective element that includes front and rear substrates with an electrochromic medium disposed therebetween and bounded by a perimeter seal. A perimeter layer is disposed at a second surface of the front substrate proximate a perimeter edge of the front substrate that conceals the perimeter seal from view by a driver of a vehicle. At least a portion of the mirror reflector extends from under the perimeter seal outward towards at least a portion of the perimeter edge of the rear substrate. The mirror reflective element includes a more curved outboard region and a less curved inboard region. A laser-etched demarcation may demarcate the more curved outboard region of the mirror reflective element from the less curved inboard region of the mirror reflective element.

ENHANCED PERFORMANCE METALLIC BASED OPTICAL MIRROR SUBSTRATES

A method for coating substrates is provided. The method includes diamond turning a substrate to a surface roughness of between about 60 and about 100 RMS, wherein the substrate is one of a metal and a metal alloy. The method further includes polishing the diamond turned surface of the substrate to a surface roughness of between about 10 and about 25 to form a polished substrate, heating the polished substrate, and ion bombarding the substrate with an inert gas. The method includes depositing a coating including at least one metallic layer on the ion bombarded surface of the substrate using low pressure magnetron sputtering, and polishing the coating to form a finished surface having a surface roughness of less than about 25 RMS using a glycol based colloidal solution.

Infrared-ray reflective film

An infrared-ray reflective film (100) of the present invention is configured by disposing an infrared reflective layer (20) and a transparent protective layer (30) on a transparent film backing (10) in this order. The infrared reflective layer (20) comprises: a first metal oxide layer (21); a metal layer (25) made of a silver alloy containing silver in an amount of 96 to 99.9 weight %; and a second metal oxide layer (22), which are arranged in this order from the side of the transparent film backing (10), wherein each of the first metal oxide layer (21) and the second metal oxide layer (22) is in direct contact with the metal layer (25). There is no metal layer between the transparent film backing (10) and the infrared reflective layer (20) and between the infrared reflective layer (20) and the transparent protective layer (30). Preferably, the infrared-ray reflective film of the present invention has a visible ray transmittance of 65% or more, a shading coefficient of less than 0.60, and a corrected emissivity as measured from the side of the transparent protective layer of 0.20 or less.

Enhanced, protected silver coatings on aluminum for optical mirror and method of making same
10001588 · 2018-06-19 · ·

The disclosure is directed to enhanced silver coated aluminum substrates for use as optical mirrors in which galvanic corrosion between the silver and aluminum is prevented and a method of making such silver coating and mirrors. The optical mirror according to the disclosure has an in-situ formed barrier layer inserted between the aluminum substrate and the silver layer. In addition, selected layers are densified by carrying out their deposition using a high power RF ion source during their deposition.

Durable solar mirror films

The present disclosure generally relates to durable solar mirror films, methods of making durable solar mirror films, and constructions including durable solar mirror films. In one embodiment, the present disclosure relates to a solar mirror film comprising: a multilayer optical film layer including having a coefficient of hygroscopic expansion of less than about 30 ppm per percent relative humidity; and a reflective layer having a coefficient of hygroscopic expansion.

Radio frequency identification enabled mirrors
09996791 · 2018-06-12 · ·

A radio frequency identification (RFID) enabled mirror includes a mirror comprising a reflective layer. The reflective layer comprises at least one layer of a metallic material. At least one portion of the reflective layer is removed to form a booster antenna from a remaining portion of the reflective layer. A dielectric coating is applied to the mirror where the reflective layer was removed. The RFID-enabled mirror further includes an RFID chip coupled to the booster antenna.

EUV MULTILAYER MIRROR

To suppress the breakage of a mirror for reflecting high-intensity EUV light, an EUV multilayer mirror presenting a Bragg diffraction effect is formed by a pile of a plurality of heavy-element layers (102) and a plurality of light-element layers (103) disposed on a substrate (101), wherein the light-element layers and the heavy-element layers are alternately deposited. The heavy-element layers (102) contain niobium as a main component, and the light-element layers (103) contain silicon as a main component. For example, the heavy-element layers (102) made of niobium and the light-element layers (103) made of silicon are alternately deposited on the substrate (101) made of single-crystal silicon.

Enhanced performance metallic based optical mirror substrates

A method for coating substrates is provided. The method includes diamond turning a substrate to a surface roughness of between about 60 and about 100 RMS, wherein the substrate is one of a metal and a metal alloy. The method further includes polishing the diamond turned surface of the substrate to a surface roughness of between about 10 and about 25 to form a polished substrate, heating the polished substrate, and ion bombarding the substrate with an inert gas. The method includes depositing a coating including at least one metallic layer on the ion bombarded surface of the substrate using low pressure magnetron sputtering, and polishing the coating to form a finished surface having a surface roughness of less than about 25 RMS using a glycol based colloidal solution.

REFLECTIVE MIRROR, PROJECTION OPTICAL SYSTEM, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD
20180120713 · 2018-05-03 ·

A reflective mirror is provided with a base and a multilayer film including a first layer and a second layer laminated alternately on the base and capable of reflecting at least a portion of incident light. The multilayer film is provided with a first portion having a first thickness, and with a second portion having a second thickness that is different from the first thickness, and which is provided at a position rotationally symmetric to that of the first portion about an optical axis of the reflective mirror.