72results about How to "Eliminate Diffusion" patented technology

An electrochemical method and apparatus for high-amperage electrical energy storage features a high-temperature, all-liquid chemistry. The reaction products created during charging remain part of the electrodes during storage for discharge on demand. In a simultaneous ambipolar electrodeposition cell, a reaction compound is electrolyzed to effect transfer from an external power source; the electrode elements are electrodissolved during discharge.

A diffusion barrier alloy film has a diffusion barrier layer which has more excellent diffusion barrier properties than an Re—Cr alloy film, and can stand usage at higher temperatures (e.g., 1150° C. or higher). The diffusion barrier layer 18 is made of an Re—W alloy σ phase containing 12.5 to 56.5% of. W in terms of atomic composition and the remainder of Re excluding unavoidable impurities. A metal base 10 has a surface coated with a diffusion barrier layer 18. If required, the diffusion barrier layer 18 has a surface coated with a diffusion alloy layer 20 containing 10% or greater and less than 50% of Al, Cr, or Si in terms of atomic composition, providing a high-temperature apparatus member.

A preparation method of gate oxide includes the steps of providing a silicon substrate, conducting thermal oxidation treatment, implementing a technology for heating processing to form silicon dioxide gate oxide, conducting nitrogen injection on the silicon dioxide gate oxide by using a plasma nitriding technology to form SiON gate oxide, conducting laser treatment on the surface of the SiON gate oxide by using a laser rapid annealing technology, and conducting high temperature annealing on the SiON gate oxide with the surface being treated in a laser mode. According to the preparation method of the gate oxide, before high temperature annealing is conducted on the SiON gate oxide, the laser rapid annealing technology is introduced for conducting the laser treatment on the surface of the SiON gate oxide, an intrinsic oxide layer is removed, the bad influence of organic matter absorption on nitrogen doping is prevented, moreover, the formed non-crystallizing surface can prevent surface nitrogen atoms from volatilizing, and meanwhile the nitrogen atoms can be stopped from diffusing towards an SiO2 / Si interface. Therefore, high and stable nitrogen content can be guaranteed, accurate clipping of the dielectric coefficient of SiON gate media is achieved, and the electrical properties of devices can be effectively improved.

The invention relates to a slide-valve vacuum pump suitable for a tile vacuum extruder, belongs to the technical field of vacuum pumps, is suitable for the industries of building materials, chemical engineering, medicines, electrons and ceramics as vacuum extraction equipment, and is especially suitable for the slide-valve vacuum pump used in the tile vacuum extruder. The slide-valve vacuum pump comprises an air inlet fine filter, a one-way check valve, a pump body, a one-piece slide bar and sliding sleeve, an eccentric wheel, a one-piece slide block, a main shaft, a belt pulley, a belt, a motor, an exhaust valve, a first exhaust oil-gas separation chamber, a second exhaust oil-gas separation chamber, a third exhaust oil-gas separation chamber, a pump oil cyclic cooling device and a base; the air inlet fine filter is arranged on a vacuum pump air inlet pipe on one side of the pump body through the one-way check valve; the air inlet fine filter comprises a shell, a fine filter filtering element, an air passing pipe, a cover board and a seal ring; and the one-way check valve comprises a valve body, a one-way check valve air inlet, a one-way check valve air outlet, a one-way check valve core, a valve core mounting base and a spring.

The invention discloses a rotary-vane efficient energy-saving environmental-friendly vacuum pump, relates to a rotary-vane vacuum pump for a tile vacuum-extruder, belongs to the technical field of vacuum pumps and is suitable for being used as vacuuming equipment for standby use in building material industry, chemical industry, medicine industry, electronic industry, ceramics industry and the like, especially suitable for the rotary-vane vacuum pump used for the tile vacuum-extruder. The rotary-vane efficient energy-saving vacuum pump comprises a gas-water separator, an air filter, a pump body stator, a rotator, rotary vanes, a vent valve assembly, a side-placed oil tank, an air-cooled oil-pumping cooler, a venting oil mist filter, a centrifugal fan, a housing, a frame and a motor, wherein the gas-water separator comprises a cylinder body, a clapboard, a netting filter net cylinder and a cone river diversion port; the air filter is provided with a filter cylinder body which is internally provided with an exhaust duct; the filter cylinder body is internally provided with a filter core assembly; and the centrifugal fan is arranged on a coupler, the housing is arranged on the outer sides of the pump body and the air-cooled oil-pumping cooler, so as to form an air-cooled oil-pumping cooler and a pump body cooling air duct.

The invention relates to a clean energy utilization method for municipal solid wastes, belonging to the technical field of municipal solid waste treatment and utilization. The process comprises the following steps of: crushing municipal solid wastes and then mixing the municipal solid wastes with coal, wherein the weight ratio of the municipal solid wastes is 20-70 percent; then carrying out heat melting moulding processing to prepare blocks; and carrying out high-temperature pyrolytic carbonization under the airtight, high-temperature and reducing atmosphere by utilizing a coking production facility system, wherein pyrolytic carbonization products are respectively clean high-heat value fuels of solid coke, liquid tar and gas. The invention has the advantages that the municipal solid wastes with complicated components can be treated, complicated municipal waste sorting processes are not needed, the wastes are converted into the high value-added fuels, and meanwhile, the problem of dioxin pollution which is easy to generate in conventional waste energy treatment (the wastes are incinerated to generate electricity) is avoided, thereby having bigger popularization meaning.

The invention discloses a dust-removing device special for construction. The device comprises a frame, a suction hood, an air feeding pipeline, a dust-removing box and a humidifying box, wherein the suction hood is arranged on a base plate of the frame through a suction hood mounting base; a bulb connecting hole is formed at the top of the suction hood mounting base; a universal ball which is in rotating fit with the bulb connecting hole is arranged in the bulb connecting hole; the universal ball is fixed on an end part of the suction hood through a rod; an expansion link is fixed on the surface of the suction hood; the bottom end of the expansion link is resisted against the base plate of the frame; a first fan is arranged in the suction hood; the suction hood is connected with the dust-removing box used for removing dust from air through the air feeding pipeline; and an outlet of the dust-removing box is connected with the humidifying box used for humidifying air. The dust-removing device special for construction has the beneficial effects that air containing a large amount of dust enters into the suction hood, enters into the dust-removing box through the air feeding pipeline, is de-dusted and then is humidified by the humidifying box and then is exhausted, so that the flying dust is reduced, the dust diffusion is eliminated and the environment is improved.

A method for fabricating a semiconductor device. Specifically, a method that includes forming a source and drain region in a periphery transistor, exhibiting a channel width between the source and drain regions suitable for operation at predetermined voltages. After forming the source and drain regions, to eliminate diffusion of lightly doped drain regions resulting from a later formation of the source and drain regions, forming the lightly doped drain regions adjacent to the source and drain regions of the periphery transistor. After forming the lightly doped drain regions in the periphery transistor, the method includes forming a source region and a drain region in a core memory cell, independent of forming the source and drain regions in the periphery transistor.

The invention relates to the use of a so-called flash-sintering technique for the synthesis and densification of iodine apatites or iodoapatites. The invention can be used in the recycling of used nuclear fuel for conditioning and storing into apatite the radioactive iodine present in the aqueous effluents from said recycling, in particular iodine 129.

A crystal growth apparatus comprises a reaction vessel holding a melt mixture containing an alkali metal and a group III metal, a gas supplying apparatus supplying a nitrogen source gas to a vessel space exposed to the melt mixture inside the reaction vessel, a heating unit heating the melt mixture to a crystal growth temperature, and a support unit supporting a seed crystal of a group III nitride crystal inside the melt mixture.

The invention relates to a rotary-vane vacuum pump suitable for a tile vacuum extruder, which belongs to the technical field of vacuum pumps and is suitable for industries such as building materials, chemical engineering, medicines, electronics, ceramics and the like to be used as vacuumizing equipment and is especially suitable for being used in a tile vacuum extruder. The rotary-vane vacuum pump comprises an air inlet filter, a pump body stator, a rotor, a rotary vane, an exhaust valve assembly, a side-arranged oil tank, an exhaust oil mist filter, an oil temperature control system, a motorsupport seat, a motor and an electric control box, wherein the side-arranged oil tank is connected to the rear side of a pump body and is divided into an oil tank upper cavity and an oil tank lower cavity, the oil tank lower cavity is provided with an oil pumping filtering screen, and the oil tank upper cavity is provided with the exhaust oil mist filter; the pumping oil temperature control system comprises a pumping oil temperature sensor, an electronic temperature controller, an air-cooled pumping oil cooler and an electric heater additionally arranged in the oil tank; the air-cooled type pumping oil cooler comprises a pumping oil cooler, a fan and a motor; and the air inlet filter is provided with a vertical cylindrical cylinder.