Abstract: A housing includes a substrate and a decorative layer deposited on the substrate. The decorative layer includes chromium, iron, aluminum, chromium oxide, ferric oxide, and aluminum oxide. The chromium oxide, ferric oxide, and aluminum oxide distribute evenly among the chromium, iron, and aluminum respectively, such that the chromium, iron, and aluminum atoms are separated from each other. The decorative layer is electrically non-conductive and electromagnetically transmissive and gives the housing a mirror-like black and metallic appearance. An electronic device using the housing is also described.

Abstract: A display screen includes a substrate comprising a first surface and a second surface opposite to the first surface; a beam-splitting polarizer formed on a first surface of the substrate; and a non-conductive metal layer formed on a second surface of the substrate. The beam-splitting polarizer is a cholesterol liquid crystalline polarization layer.

Abstract: A composite part separating device for separating a composite product consisting of a plastic part and a metal part is provided. The composite part separating device includes a base; a workpiece support mounted on the base. The metal part of the composite product is hung on the workpiece support to retain the composite product on the workpiece support; a vibrating motor drives the base and the workpiece support to shake, causing the plastic part to separate from the metal part.

Abstract: An antenna includes a transparent substrate, a silver layer directly formed on a surface of the transparent substrate, an ink layer made of an electroconductive ink directly formed on the silver layer, and a transparent protective layer directly formed on the silver layer. The silver layer forms a desired antenna pattern and has a feed portion and grounding portion. The ink layer covers the feed portion and the grounding portion. The protective layer covers the silver layer besides the feed portion and the grounding portion. A method for making the antenna is also described.

Abstract: A housing includes a base layer and a decorative layer formed on the base layer. The base layer includes a first portion and a second portion joining with the first portion. The first portion and the second portion cooperatively form an outer surface of the base layer. The first portion is composed of hardened carbon fiber woven fabric impregnated with resin. The second portion is composed of hardened glass fiber woven fabric impregnated with resin. The decorative layer formed on the outer surface. A method for making the housing and an electronic device using the device housing are provided.

Abstract: A coated article is described. The coated article includes a substrate, a titanium bonding layer, a titanium-chromium alloy transition layer, and a titanium-chromium-nitrogen hard layer formed thereon, and in that order. The titanium bonding layer is a titanium layer. The titanium-chromium alloy transition layer is a titanium-chromium alloy layer. The titanium-chromium-nitrogen hard layer is a titanium-chromium-nitrogen layer. The titanium bonding layer, titanium-chromium alloy transition layer, and the titanium-chromium-nitrogen hard layer are formed by ion beam assisted sputtering.

Abstract: A device housing includes a substrate, a metallic coating formed on the substrate by vacuum sputtering or vacuum vapor deposition, and a self-repairing coating formed on the metallic coating. The self-repairing coating substantially includes trimethylene oxide and polyhydric alcohols.

Abstract: An electronic device housing includes a substrate and a nano titanium dioxide coating formed on the substrate. The nano titanium dioxide coating has a thickness of about 10-100 nm. The nano titanium dioxide coating is formed of rutile crystals or composite crystals formed of rutile and anatase. A method for making the electronic device is also described.

Abstract: An electronic device housing is provided. The electronic device housing includes a substrate, a first metallic coating formed on the substrate, and a second metallic coating formed on a portion of the first metallic coating. The first and second metallic coatings are formed by vacuum sputtering or vacuum vapor deposition. The first and second metallic coatings are all non-conductive. A method for making the electronic device housing is also described there.

Abstract: A coated article is provided. The coated article comprises a transparent substrate, a base paint layer directly formed on a surface of the transparent substrate, an aluminum layer directly formed on the aluminum layer, and a top paint layer directly formed on the aluminum layer. The base paint layer is made of a paint containing color paste. The top paint layer is made of a transparent paint. A method for making the coated article is also described.

Abstract: An electronic device housing includes a substrate and a nano titanium dioxide coating formed on the substrate is provided. The nano titanium dioxide coating has a thickness of about 10-100 nm. The nano titanium dioxide coating is formed of rutile crystals or composite crystals formed of rutile and anatase. A method for making the electronic device is also described there.

Abstract: An electronic device housing is provided. The electronic device housing includes a substrate, a metallic-appearing coating formed on the substrate, and a top coating formed on the metallic-appearing coating. The top coating contains nano-titanium dioxide powder and fluorocarbon resin. The electronic device housing has self-cleaning and anti-fingerprint properties.

Abstract: An antenna includes a transparent substrate, a silver layer directly formed on a surface of the transparent substrate, an ink layer made of an electroconductive ink directly formed on the silver layer, and a transparent protective layer directly formed on the silver layer. The silver layer forms a desired antenna pattern and has a feed portion and grounding portion. The ink layer covers the feed portion and the grounding portion. The protective layer covers the silver layer besides the feed portion and the grounding portion. A method for making the antenna is also described.

Abstract: A surface treating method for making a housing have a metallic glass main body comprising: coating a primer on the metallic glass main body to form a bottom layer; forming a plating layer on the bottom layer; coating an adhesive on the plating layer to form an adhesive layer; and coating a lacquer on the adhesive layer to form an outer layer.

Abstract: A housing includes a base layer and a decorative layer formed on the base layer. The base layer includes a first portion and a second portion joining with the first portion. The first portion and the second portion cooperatively form an outer surface of the base layer. The first portion is composed of hardened carbon fiber woven fabric impregnated with resin. The second portion is composed of hardened glass fiber woven fabric impregnated with resin. The decorative layer formed on the outer surface. A method for making the housing and an electronic device using the device housing are provided.

Abstract: A surface treating method for making a housing have a metallic main body includes the follow steps. A primer is coated on the metallic main body to form a bottom layer. A plating layer is formed on the bottom layer. An adhesive is coated on the plating layer to form an adhesive layer. Finally, a lacquer is coated on the adhesive layer to form an outer layer.

Abstract: A housing includes a substrate, a base layer formed on the substrate, a metal layer formed on the base layer, and a topcoat layer formed on the metal layer. The metal layer is a silicon-aluminum alloy layer. A method for making the housing is also described.

Abstract: A flow divider system includes a gas box defining a chamber and an outlet gate, a shield located in the chamber and shielding the outlet gate, the shield including a main body, the main body defining a number of openings communicating the chamber with the outlet gate. The shielding can further includes a number of shield boards adjustably fixed to the main body, to adjustably shield portions of the openings.

Abstract: A coated article is described. The coated article includes a substrate, a titanium bonding layer, a titanium-chromium alloy transition layer, and a titanium-chromium-nitrogen hard layer formed thereon, and in that order. The titanium bonding layer is a titanium layer. The titanium-chromium alloy transition layer is a titanium-chromium alloy layer. The titanium-chromium-nitrogen hard layer is a titanium-chromium-nitrogen layer. The titanium bonding layer, titanium-chromium alloy transition layer, and the titanium-chromium-nitrogen hard layer are formed by ion beam assisted sputtering.

Abstract: An electronic device housing is provided. The electronic device housing comprises a substrate, a base paint coating formed on the substrate, and a metallic coating formed on the base paint coating. The metallic coating comprises a plurality of first layers interleaved with a plurality of second layers, and a third layer provided outermost. The first layer and the second layer are respectively a zirconium dioxide layer and an aluminum oxide layer, or are respectively composite component layer of niobium pentoxide and zirconium dioxide, and silicon dioxide layer. The third layer is a magnesium fluoride layer.