95results about How to "Control deposition" patented technology

The invention is directed to efficient methods for depositing highly adherent anti-microbial materials onto a wide range of surfaces. A controlled cathodic arc process is described, which results in enhanced adhesion of silver oxide to polymers and other surfaces, such as surfaces of medical devices. Deposition of anti-microbial materials directly onto the substrates is possible in a cost-effective manner that maintains high anti-microbial activity over several weeks when the coated devices are employed in vivo.

Cleaning is carried out by using a sulfuric acid type detergent at a resist stripping and cleaning step (step 5) in a semitranslucent portion forming process and a resist stripping and cleaning step (step 10) in a shielding band forming process, and a sulfuric acid removing step of partially or wholly removing a surface layer portion in a pattern into which a sulfate ion is adsorbed is then carried out to effectively remove the adsorbed sulfate ion.

A combustion chamber having a chamber end wall that presents a plurality of air and fuel injector devices, each of the devices including a bowl and a deflector mounted on a main axis forming a heat shield disposed around the bowl which flares in the gas flow direction and possesses an annular portion, the interface between the bowl and the deflector being situated on this annular portion, at least a portion of the interface being situated towards the end of the annular portion that is downstream in the gas flow direction, such that an annular cavity is defined between the deflector and the downstream annular portion of the interface. First bowl holes are formed in the annular portion to open out facing the edge of the chamber end wall that is in contact with the deflector in order to sustain a flow of air from upstream to downstream in the annular cavity.

A developing method of the present invention is practicable with a developing unit of the type including a rotatable, nonmagnetic sleeve and a rigid metering member. A two ingredient type developer made up of magnetic carrier grains and toner grains is magnetically deposited on the sleeve. The metering member meters the amount of the developer deposited on the sleeve. The sleeve has surface roughness Rz ranging from 5 μm to 20 μm. The carrier grains each are covered with a coating layer containing at least binder resin and grains. The ratio of the diameter D of the individual grain contained in the coating layer to the thickness h of the binder resin layer lies in the range of 1<D / h<10. The carrier grains have a weight-mean grain size ranging from 20 μm to 60 μm.

There is disclosed a lubricating oil composition which contains from about 50 to 1000, preferably 50 to 500 parts per million of molybdenum from a molybdenum compound which is oil-soluble and substantially free of reactive sulfur, about 1,000 to 20,000, preferably 1,000 to 10,000 parts per million of a diarylamine and about 2,000 to 40,000 parts per million of a phenate. This combination of ingredients provides improved oxidation control and improved deposit control to the lubricating oil. The composition is particularly suited for use as a crankcase lubricant.

The invention relates to an oxygen reduction reaction catalyst with graphene as a carrier, and a preparation method thereof. The invention provides a graphene-based composite oxygen reduction reaction catalyst and a preparation method thereof. The catalyst comprises graphene and cobalt hydroxide, and the loading amount of cobalt hydroxide is 3.2-15 microgram / cm2. The preparation method of the graphene-based composite oxygen reduction reaction catalyst comprises: depositing a cobalt hydroxide precipitate on a surface of a graphene membrane by a potentiostatic deposition method so as to obtain the graphene-based composite oxygen reduction reaction catalyst.

The invention discloses a self-forming dynamic membrane biological reaction sewage treatment device comprising a reaction pool, clapboards and a grid well and forming biological reaction areas, biological transition areas and a clean water area. Special biological fillers and a microporous aerator are arranged in each biological reaction area, a self-forming dynamic membrane device is arranged in the grid well, a water discharge pipe is arranged in the clean water area, and a guide plate is arranged below the clean water area. The self-forming dynamic membrane biological reaction sewage treatment device disclosed by the invention has the advantages of simple structure, low floor area, low investment, good treatment effect, low running cost, no needing of operation and management of specially-assigned person and the like, thereby being very suitable for requirements on the current small towns and countries for sewage separating treatment.

Active multifunctional nanoparticles provide significant enhancement of the efficacy of model therapeutic and gene agents due to increased diffusion and penetration through mucus and biological barriers under the influence of a magnetic field.

The invention discloses a method for preparing a solid electrolyte interface film on the surface of a lithium metal, a device for preparing the solid electrolyte interface film by a spray pyrolysis method, comprising a heating table for placing lithium sheets and heating; A nozzle aligned with the heating station; A spray generator and a precursor solution storage tank connected to the nozzle; A stable solid electrolyte membrane was prepared on the surface of lithium slices by spray pyrolysis of a precursor solution containing suitable solute and solvent. Compared with the lithium sheet without modification, the composite lithium metal anode material of the present invention has the characteristics of high coulombic efficiency, high lithium metal utilization ratio, remarkable inhibition ofdendrite growth, and the like, thereby remarkably improving the cycling performance and safety performance of the lithium metal. This technology is simple and easy to operate and is conducive to large-scale production, and has broad application prospects and guiding significance in the next generation of high energy density lithium metal secondary batteries.

The invention belongs to the field of an electrode material and particularly belongs to the field of sodium electricity and potassium electricity. The invention discloses a 3D porous zinc-loaded current collector. The 3D porous zinc-loaded current collector comprises a 3D porous current collector and metal zinc compounded on a framework of the 3D porous current collector, the invention further comprises a preparation method and an application of the 3D porous zinc-loaded current collector, in addition, the invention further provides a sodium negative electrode or a potassium negative electrodeprepared from the 3D porous zinc-loaded current collector. The 3D porous zinc-loaded current collector is advantaged in that the metal zinc is creatively compounded on a pore skeleton of the 3D porous current collector, and the current collector with the structure can effectively maintain the skeleton stability in the sodium or potassium metal deposition process, moreover, the metallic zinc uniformly distributed on the pore skeleton can induce nucleation of metallic sodium or potassium, so the effective specific surface area of the 3D current collector is fully utilized in the sodium or potassium deposition process, and dendritic-crystal-free sodium or potassium deposition and long cycle life are realized.

The invention discloses a method for preparing a titanium metal coating on a ceramic surface. The method for preparing the titanium metal coating on the ceramic surface comprises the following steps of: firstly, placing ceramic the surface of which is treated into a quartz tube; then placing a mixture of titanium powder and iodine powder into a container, and placing the container into the quartz tube; then placing the quartz tube into a program control furnace, vacuumizing the program control furnace repeatedly, and introducing an inert gas, warming the program control furnace at the warming speed of 15-20 DEG C / min to 1030-1200 DEG C and carrying out heat preservation, and cooling, thereby obtaining the ceramic the surface of which is coated with the metal coating. The coating provided by the invention is high in purity, and has strong bonding force with base body ceramic, is uniform in distribution on the whole ceramic plane, can form a smooth deposition surface easily; and the device is simple, low in cost and simple to operate.

The invention discloses an etching method for a silicon nitride high depth-to-width ratio hole. The method comprises: first of all, placing a semiconductor device of a silicon nitride film, already forming the graph needed by a semiconductor, into en etching cavity; then using a dry-method plasma technology, letting in a high carbon chain molecule fluorocarbon-based gas, an oxidizing gas, a dilution gas and a fluorocarbon-based gas containing hydrogen, adding radio frequency power and exciting plasma; and after a plasma stabilization step, performing etching of the silicon nitride film until the etching morphology, the hole diameter size and the depth of a high depth-to-width ratio hole reach requirements. According to the invention, the silicon nitride film is etched by using the unique fluorocarbon-based gas, through adjusting gas component and power size, the deposition amount of fluorocarbon polymers on the side wall of the deep hole can be controlled, the key dimensions of the hole can be prevented from becoming larger, and polymers already deposited at the bottom of the deep hole can be removed so as to ensure that the etching can be continued, thus the etching morphology of the hole can be adjusted.

The present invention relates to nanostructured materials for use in rechargeable energy storage devices such as lithium batteries, particularly rechargeable secondary lithium batteries, or lithium-ion batteries (LIBs). The present invention includes materials, components, and devices, including nanostructured materials for use as battery active materials, and lithium ion battery (LIB) electrodes comprising such nanostructured materials, as well as manufacturing methods related thereto. Exemplary nanostructured materials include silicon-based nanostructures such as silicon nanowires and coated silicon nanowires, nanostructures disposed on substrates comprising active materials or current collectors such as silicon nanowires disposed on graphite particles or copper electrode plates, and LIB anode composites comprising high-capacity active material nanostructures formed on a porous copper and / or graphite powder substrate.

Compounds useful in the treatment of autoimmune disease are described by the following general formula:n=0-2m=0-2m is not necessarily equal to n;where R1, R3═NH2, F, Cl, C1-C4 alkoxy or phenoxy group, but R1 is not necessarily equal to R3; andR2═H, F, Cl, NH2, or NH—R—XH;