Страна 1 од 61 резултати
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
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
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
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.
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
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
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
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
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,
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
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
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
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
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
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