Abstract: A coated article includes a substrate, a first magnesium-tin alloy layer, a tin layer, a second magnesium-tin alloy layer, a magnesium layer and a magnesium-nitrogen layer. The substrate is made of magnesium or a magnesium alloy. The substrate made of magnesium or magnesium alloy. The first magnesium-tin alloy layer formed on the substrate. The tin layer formed on the first magnesium-tin alloy layer. The second magnesium-tin alloy layer formed on the tin layer. The magnesium layer formed on the second magnesium-tin alloy layer. The magnesium-nitrogen layer formed on the magnesium layer.

Abstract: A coated article includes a substrate, a first magnesium-tin alloy layer, a tin layer, a second magnesium-tin alloy layer, a magnesium layer and a magnesium-nitrogen layer. The substrate is made of magnesium or a magnesium alloy. The substrate made of magnesium or magnesium alloy. The first magnesium-tin alloy layer formed on the substrate. The tin layer formed on the first magnesium-tin alloy layer. The second magnesium-tin alloy layer formed on the tin layer. The magnesium layer formed on the second magnesium-tin alloy layer. The magnesium-nitrogen layer formed on the magnesium layer.

Abstract: A housing includes a magnesium or magnesium alloy substrate, a first metal layer formed on the substrate by physical vapor deposition, and a second metal layer formed on the first metal layer by electroplating. The first metal layer is comprised of one or more metals selected from the group consisting of zinc, iron, copper, and nickel.

Abstract: An article includes a substrate made of aluminum or aluminum alloy, an insulating coating formed on the substrate, and an anticorrosive coating formed on the insulating coating. The insulating coating is composed of electrically insulating ceramic material or polymer. The anticorrosive coating is a ceramic coating formed by physical vapor deposition.

Abstract: A housing includes a substrate; an aluminum layer deposited on the substrate; and an ion implantation layer formed on the aluminum layer, the ion implantation layer comprising aluminum(II) oxide solid solution phase and aluminum oxide solid solution phase. The disclosure further includes a method for manufacturing the housing. The method includes the following steps: providing a substrate made of aluminum alloy; depositing an aluminum layer on the substrate, the aluminum layer is deposited on the substrate with an aluminum target by magnetron sputtering process; and forming an ion implantation layer on the aluminum layer, the ion implantation layer is formed on the aluminum layer by implanting ions of oxygen into the aluminum layer, and the ion implantation layer comprising aluminum(II) oxide solid solution phase and aluminum oxide solid solution phase.

Abstract: A housing includes a substrate, an aluminum layer deposited on the substrate, and an aluminum oxynitride layer deposited on the aluminum layer. The aluminum layer includes aluminum. The aluminum oxynitride layer includes aluminum, nitride, and oxygen. A method for manufacturing the housing comprises providing a substrate, depositing an aluminum layer on the substrate, and depositing an aluminum oxynitride layer on the aluminum layer.

Abstract: A housing includes a substrate; an aluminum layer deposited on the substrate; and an oxygen ion implantation layer deposited on the aluminum layer. The oxygen ion implantation layer comprising saturated aluminum oxide. The saturated Al2O3 can improve the compactness of the oxygen ion implantation layer. Thus, the corrosion resistance of the housing can be improved.

Abstract: A housing includes a substrate; a tin layer deposited on the substrate; a magnesium-tin layer formed between the substrate and the tin layer; a chromium layer deposited on the tin layer; a chromium-tin layer formed between tin layer on the chromium layer; and a chromium oxide or nitrogen layer deposited on the chromium layer. The substrate is made of magnesium or magnesium alloy; the tin layer is comprised of tin; the magnesium-tin layer is a magnesium-tin layer; the chromium layer is comprised of chromium; the chromium-tin layer is a chromium-tin layer; the chromium oxide or nitrogen layer is a chromium oxide nitrogen layer.

Abstract: A housing includes a substrate; a corrosion resistance layer deposited on the substrate; a bonding layer deposited on the corrosion resistance layer; and an abrasion resistance layer deposited on the bonding layer