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aluminum/каријес

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Aluminum casting method

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TECHNICAL FIELD The present invention relates to an aluminum casting method of supplying molten aluminum to a mold cavity to make aluminum casts. BACKGROUND ART During aluminum casting, an oxide film can be formed on the surface of molten aluminum supplied to a mold cavity. The formed oxide film can

Vertical-cavity surface-emitting device with epitaxial index guide

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FIELD Disclosed embodiments relate to semiconductor vertical cavity diode light sources that include conducting-channel structures for optical and electrical confinement, and their method of manufacturing. BACKGROUND Vertical-cavity surface-emitting devices generally use an index guide to provide

Vertical cavity surface emitting laser including indium, antimony and nitrogen in the active region

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RELATED APPLICATIONS The present invention is related to the following co-pending patent applications: Ser. No. 10/026,019 entitled "Vertical cavity surface emitting laser including indium and nitrogen in the active region," filed Dec. 27, 2001; Ser. No. 10/026,020 entitled "Vertical cavity surface

Indium free vertical cavity surface emitting laser

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RELATED APPLICATIONS The present invention is related to the following patent applications: Ser. No. 10/026,016 entitled "Vertical cavity surface emitting laser including indium, antinomy and nitrogen in the active region," filed Dec. 20, 2001; Ser. No. 10/026,019 entitled Dec. 20, 2001; Ser. No.

Vertical cavity surface emitting laser including indium in the active region

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TECHNICAL FIELD This invention relates to vertical cavity surface emitting lasers and more particularly to vertical cavity surface emitting lasers utilizing combinations of nitrogen, aluminum, antimony, phosphorous and/or indium as a material system and as a means to increase VCSEL device

Vertical cavity surface emitting laser including indium and antimony in the active region

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BACKGROUND OF THE INVENTION Solid-state semiconductor lasers are important devices in applications such as optoelectronic communication systems and high-speed printing systems. Recently, there has been an increased interest in vertical cavity surface emitting lasers ("VCSELs") although edge emitting

Vertical cavity surface emitting laser device

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FIELD OF THE INVENTION The present invention relates to a vertical cavity surface emitting laser (VCSEL), and more particularly to an improved VCSEL device. BACKGROUND OF THE INVENTION A VCSEL is a semiconductor laser that emits light in a vertical direction with respect to a substrate. In general

Vertical cavity surface emitting laser including indium and nitrogen in the active region

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TECHNICAL FIELD This invention relates to vertical cavity surface emitting lasers and more particularly to vertical cavity surface emitting lasers utilizing a combination of nitrogen, aluminum, antimony, phosphorous and/or indium as a material system and as a means to increase VCSEL device

Method of improving properties of superplastically formed alloys by healing cavities

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BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates generally to the concepts of forming metallic materials and improving the properties of these materials, and more particularly to an improved method of improving the properties of superplastically formed metallic materials,

Method for shaping a seamless aluminum wheel rim

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BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a vehicle wheel rim, which is simpler and lower cost than a conventional manufacturing method. 2. The Related Art In the considerations of reducing the weight of a vehicle body and

Low-pressure casting bottom mold for aluminum alloy hub

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CROSS-REFERENCE TO RELATED APPLICATIONS This application is filed based upon and claims priority to Chinese Patent Application No. 201610421987.3, filed on Jun. 15, 2016, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD The disclosure relates to the field of

Low-pressure casting mold for aluminum wheel

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CROSS-REFERENCE TO RELATED APPLICATIONS This application claims priority to Chinese Patent Application No. 201810156690.8 filed on Mar. 30, 2018, which is hereby incorporated by reference in its entirety. TECHNICAL FIELD The present application relates to the field of casting, specifically to a

Fabrication of thermally stable nanocavities and particle-in-cavity nanostructures

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BACKGROUND There has been interest in generating hierarchical assemblies of periodic nanoparticle arrays on large-area substrates for a wide range of applications including nanoplasmonics, photochemical catalysts, batteries, photovoltaics, and biological sensors. Studies have focused on the

Wear-resistant coating for oil pump cavity

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TECHNICAL FIELD The present disclosure relates to wear-resistant coatings for oil pump cavities, for example, thermally sprayed coatings for aluminum oil pump cavities. BACKGROUND In general, vehicles having an internal combustion engine (ICE) will include an oil pump. The oil pump in an ICE may

Aluminum alloy rotor for an electromagnetic device

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TECHNICAL FIELD The present disclosure relates to rotors for an electromagnetic device. BACKGROUND Electromagnetic devices such as electric motors, generators, and traction motors are useful for converting energy from one form to another. Such electromagnetic devices often include an element
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