65results about How to "Eliminate oxygen" patented technology

A heat dissipation system, comprising: (a) an electronic device comprising a heat source, wherein the heat source transmits heat to a second component or an external surface of the device; (b) a heat-conducting layer being positioned such that one of its major surfaces is in operative contact with the heat source such that it is interposed between the heat source and the second component or the external surface. The heat-conducting layer comprises at least one graphene oxide-coated graphitic foil laminate which thermally shields the second component or the external surface from heat generated by the heat source, and wherein the laminate is composed of a graphitic substrate/core layer with at least one primary surface coated with a graphene oxide coating layer. This graphene oxide-coated laminate exhibits a combination of exceptional thermal conductivity, electrical conductivity, mechanical strength, surface hardness, and scratch resistance, making this the most effective heat dissipation system.

The invention relates to a bonding copper wire and a preparation method thereof. The bonding copper wire comprises the following components in percentage by mass: 0.0003 percent to 0.003 percent of lithium, 0.0002 percent to 0.002 percent of calcium, 0.0002 percent to 0.001 percent of aluminium, 0.0005 percent to 0.005 percent of cerium and/or yttrium, 0.0001 percent to 0.001 percent of other inevitable impurity elements and the balance of copper. The preparation method of the bonding copper wire comprises the following steps of: preparing a middle alloy, preparing an alloy cast ingot, annealing uniformly, heat extrusion, stress relief annealing, drawing, final annealing, winding for multiple coils, packaging, and final protective packaging, wherein in a drawing process, middle stress relief annealing can be performed according to practical needs. The bonding copper wire has better inoxidizability while keeping better conduction and radiation properties; in the preparation process of the bonding copper wire, the uniform annealing is added and the middle stress relief annealing is performed, so that the mechanical property of the prepared bonding copper wire is better.

Methods for fractional catalytic pyrolysis which allow for conversion of biomass into a slate of desired products without the need for post-pyrolysis separation are described. The methods involve use of a fluid catalytic bed which is maintained at a suitable pyrolysis temperature. Biomass is added to the catalytic bed, preferably while entrained in a non-reactive gas such as nitrogen, causing the biomass to become pyrolyzed and forming the desired products in vapor and gas forms, allowing the desired products to be easily separated.

The present invention provides for a photobioreactor for the cultivation of photosynthetic microorganisms and comprises a hydraulic circuit through which an aqueous solution containing culture of at least one type of photosynthetic organism circulates and gets exposed to a light source. The photobioreactor also comprises a means for feeding carbon dioxide into the system, a means for oxygen degasification, and a means for injecting nutrients into the system. The hydraulic circuit is comprised of two open receiving channels at the same relative elevation, a set of transparent or translucent tubes which connect receiving channels to each other, and at least one fluid moving device to move the fluid from the first to the second receiving channels through the tubes. Each receiving channel also comprises a dam which assists in maintaining two different surface levels of the aqueous solution within the upstream and downstream portions of each receiving channel.

Disclosed is a boiler for providing hot water to a heating system of a building and for simultaneously producing hot domestic water. This boiler comprises a heating tank provided with a water inlet and a water outlet through which water for use in the heating system circulates and an adjacent chamber annexed to the heating tank. This adjacent chamber is in direct communication with the heating tank and containing means for heating the water. The boiler also comprises a heat exchanger provided with a water inlet and a water outlet through which circulates the domestic water. This heat exchanger is made of a plurality of tubular coils of helicoidal shape that are located within the heating tank in order to allow heat transfer between the hot water within the heating tank and the domestic water that circulates within the tubular coils.

The invention relates to a copper bonding wire and a preparation method thereof. The copper bonding wire comprises, by mass, 0.0003-0.003% of lithium, 0.0002-0.002% of calcium, 0.0002-0.001% of aluminum, 0.0005-0.005% of cerium or yttrium, 0.0001-0.001% of other inevitable impurity elements and the balance copper. The preparation method of the copper bonding wire comprises the steps of manufacturing of intermediate alloy, manufacturing of alloy ingots, homogenizing annealing, hot extrusion, stress relief annealing, drawing, final annealing, multiple winding subpackaging and final protective packaging, and intermediate stress relief annealing can further be conducted in the drawing process according to the actual demands. The copper bonding wire has better oxidation resistance while maintaining the good conducting and radiating properties, and the prepared copper bonding wire is better in mechanical performance due to the facts that homogenizing annealing is additionally conducted and the intermediate stress relief annealing technique can be conducted according to demands in the preparation process of the copper bonding wire.

Aspects of the invention relates to a system and method for determining the efficacy of the catalyst comprising means to detect any temperature change in the catalyst when oxygen is present in the anaerobic workstation and determine the efficacy of the catalyst in accordance with the temperature change. A detectable rise in the temperature of the catalyst is indicative of a catalytic reaction to remove oxygen from the anaerobic work station. Thus, the system determines the catalyst is an active catalyst if the temperature of the catalyst rises when oxygen is present in the anaerobic workstation. The system determines the catalyst is an inactive catalyst if the temperature of the catalyst does not rise when oxygen is present in the anaerobic workstation. Further aspect of the invention relate to a system and method for determining the atmosphere of an anaerobic workstation in accordance with the efficacy of the catalyst of the anaerobic workstation.

The disclosure relates to semiconductor interconnect structure having enhanced electromigration (EM) reliability in which an oxygen scavenger layer deposited (directly or indirectly) over a surface of conductive material. In one embodiment, the disclosure relates to semiconductor structure having a substrate having a cavity formed therein; a barrier material lining a portion of the cavity; a conductive material formed over the barrier material, the conductive material defining an interconnect layer; a metal cap formed over at least a portion of the conductive material; an oxygen scavenger layer formed over the metal cap layer, the oxygen scavenger layer comprising one or more of Al, TiAl or Al alloys, Mg, TiMg, Mg alloys, and deposited over the metal cap layer using one or more of a Chemical Vapor Deposition (CVD), Atomic Layer Deposition (ALD), Electroless Plating Deposition (ELD) electrodeless deposition techniques; wherein the oxygen scavenger layer removes oxygen from the interface between the conductive material surface and the metal cap layer.

The invention provides a loading port and an EFEM, which can shorten the time required by the door cleaning process and prevent the undesired gas causing the performance change of the object to be conveyed, namely the wafer, from flowing into the conveying chamber. the first sealing part (5) is arranged between the FOUP4 and the base (21) at a preset position in front of the base (21) in a sealingmode, and the second sealing part (6) is arranged between the loading port door (22) and the base (21) in a closed state of closing the opening part (21a) in a sealing mode. In a door cleaning process in which a gap between a container door and a loading port door (22) and a sealed space (DS) partitioned by a first sealing part (5) and a second sealing part (6) are replaced with gas, a preferentially open part (X) of the first sealing part (5) is preferentially open than the second sealing part (6) by keeping the sealed space (DS) at a positive pressure. At least the gas in the enclosed space(DS) can be discharged through the open part.

The invention discloses an explosion-proof flame-retardant device for an acetylene conveying pipeline. The device comprises a carbon dioxide cylinder, a shell body and a PLC, wherein the carbon dioxide cylinder communicates with the shell body through a gas inlet pipe, a first electromagnetic valve is installed on the gas inlet pipe, an acetylene alarm is arranged in the shell body, the acetylenealarm is used for transmitting monitored signals to the PLC, the PLC controls the first electromagnetic valve, the shell body is arranged outside a flange in the acetylene conveying pipeline in a sleeve mode, and the lower end of the shell body communicates with an exhaust pipe. According to the device, acetylene leaked from the flange of the pipeline can be effectively prevented from being ignited, and flames in the pipeline can be prevented from spreading to an acetylene generator and a calcium carbide pulverizer.

The invention provides a perovskite light-emitting layer and a manufacturing method thereof, a light-emitting device and a display device. The perovskite light-emitting layer comprises a perovskite light-emitting film layer and a packaging film layer wrapping the perovskite light-emitting film layer, the packaging film layer comprises a compound A, a general formula of the compound A is X<2+>SO3<2->R, the X<2+> is a divalent metal ion, and the R is a benzene ring structure containing a hydroxyl functional group. Sability of the light-emitting layer is improved, and a service life of the deviceis prolonged.

The invention relates to a method of preparing a liquid, which contains proteins (esp. haze sensitive proteins), for subsequent separation of at least haze-forming material, when predetermined filter aids are used. The method comprises the addition of protein-complexing agent to the liquid, which agent is capable of forming a complex with at least some sensitive proteins of the liquid, to result in a limitation of the residual haze of the liquid, obtained after the separation (e.g. filtration), step.