Abstract:
Soft and porous material is coated with a multilayer ceramic coating by physical vapor deposition. The coated material is suitable for use as foodware, particularly, a copper foodware article including a plain copper substrate, a base coating, and a ceramic coating. The base coating is deposited by sputtering and cathodic arc in combination, providing the good corrosion resistance and adhesion to the substrate. The ceramic coating includes a PVD nitride or carbonitride layer, providing a tarnish-free surface, good durability, and thermal stability. The coated copper foodware article has the same heat conductivity as pure copper, good corrosion resistance, high durability, excellent cooking, and ease of cleaning. A metal article having a multilayer coating and a method of making a metal article are also described.
Abstract:
A coating for fuel injector components adapted for use with low lubricity fuels is disclosed. The invention consists of a metal carbon material coating or a metal nitride coating to the fuel pump plunger or other fuel injection system components. The invention utilizes a coating on the fuel injector plunger that minimizes scuffing or seizure associated with the plunger and barrel.
Abstract:
According to an embodiment, the present invention provide method for fabricating a copper indium diselenide semiconductor film. The method includes providing a plurality of substrates, each of the substrates having a copper and indium composite structure, each of the substrate including a peripheral region, the peripheral region including a plurality of openings, the plurality of openings including at least a first opening and a second opening. The also includes transferring the plurality of substrates into a furnace, each of the plurality of substrates provided in a vertical orientation with respect to a direction of gravity, the plurality of substrates being defined by a number N, where N is greater than 5, the furnace including a holding apparatus, the holding apparatus including a first elongated member being configured to hang each of the substrates using at least the first opening. The method further includes introducing a gaseous species including a hydrogen species and a selenide species and a carrier gas into the furnace and transferring thermal energy into the furnace to increase a temperature from a first temperature to a second temperature, the second temperature ranging from about 350° C. to about 450° C. to at least initiate formation of a copper indium diselenide film from the copper and indium composite structure on each of the substrates.
Abstract:
A method of forming a structure useful in all forms of deposited metals, elemental metals, metal alloys, metal compounds, metal systems, including refractory metals such as tungsten and tantalum is provided. The structure generally comprises a substrate, a first layer formed atop the substrate, and a second layer formed atop the first layer. The first layer comprises a metal, which can be chromium, gold, platinum, aluminum, nickel, or copper. The second layer comprises a metal, elemental metal, metal alloy, metal compound, or metal system comprising a refractory metal such as tungsten or tantalum. The substrate can be a silicon, quartz or glass, metal, metal oxide or nitride.
Abstract:
One subject of the present invention is a transparent solid support coated with at least one layer of metal and with at least one layer of transparent conductive oxide (TCO), especially tin-doped indium oxide (ITO) in order to form a solid support that can be used at the same time or independently for detection by SPR and by an electrochemical method. The invention comprises a process for producing such supports, especially by cathode sputtering using a device comprising a radiofrequency (RF) generator, this device also being included in the invention. Another subject of the invention is a kit and a method for detection or identification of an organic or mineral compound by surface plasmon resonance (SPR) and/or electrochemical plasmon resonance comprising or using such supports.
Abstract:
There is provided a zinc alloy coated steel sheet including a vacuum deposited layer capable of improving corrosion resistance and sealer adhesion that are suitable for the use in automobiles, and a process of manufacturing the same. The zinc alloy coated steel sheet includes a zinc coating layer formed on a steel sheet; and a zinc/metal alloy deposited layer formed on the zinc coating layer, wherein the zinc coating layer, and a metal diffusion layer is present in the zinc coating layer.
Abstract:
An ultrasound catheter housing with electromagnetic shielding properties and methods of manufacturing is provided. The ultrasound catheter housing comprises a an inner thin wall polymer tube extruded using an ultrasonically transparent polymer, a thin metalized layer deposited on the outer surface of the inner tube, and an outer thin wall polymer tube, which may be the same or a different ultrasonically transparent material. In another embodiment an ultrasound catheter comprising the ultrasound catheter housing is provided.
Abstract:
An extreme low resistivity light attenuation anti-reflection coating structure with a surface protective layer includes a substrate, a coating module, and a composed protection coating layer. The coating module is formed on a front surface of the substrate. The coating module is composed of a plurality of silicon carbide compound coating layers and a plurality of metal coating layers that are alternately stacked with each other. The composed protection coating layer is formed on the coating module.
Abstract:
A harsh environment transducer including a substrate having a first surface and a second surface, wherein the second surface is in communication with the environment. The transducer includes a device layer sensor means located on the substrate for measuring a parameter associated with the environment. The sensor means including a single crystal semiconductor material having a thickness of less than about 0.5 microns. The transducer further includes an output contact located on the substrate and in electrical communication with the sensor means. The transducer includes a package having an internal package space and a port for communication with the environment. The package receives the substrate in the internal package space such that the first surface of the substrate is substantially isolated from the environment and the second surface of the substrate is substantially exposed to the environment through the port. The transducer further includes a connecting component coupled to the package and a wire electrically connecting the connecting component and the output contact such that an output of the sensor means can be communicated. An external surface of the wire is substantially platinum, and an external surface of at least one of the output contact and the connecting component is substantially platinum.
Abstract:
The present invention involves annealing methods for doped gallium nitride (GaN). In one embodiment, one method includes placing, within a heating unit, a silicon carbide (SiC) wafer as a susceptor in close proximity with a doped GaN epilayer, wherein the doped GaN epilayer is either a GaN layer grown on a substrate or a GaN layer that is free standing; and heating, at a heating rate of at least about 100° C./s, the wafer and the doped GaN epilayer to at least about 1200° C. In another embodiment, another method includes placing, within a heating unit, a doped GaN epilayer, wherein the doped GaN epilayer is either a GaN layer grown on a conducting substrate or a GaN layer that is free standing; and heating, at a heating rate of at least about 100° C./s, the doped GaN epilayer to at least about 1200° C.