35results about How to "Avoid easy discharge" patented technology

Provided is a plasma processing apparatus, which comprises, as a member facing plasma in a plasma processing chamber, a member composed of a material prepared by incorporating a conductive material in quartz or germanium which is an amorphous base material.

The present invention provides a solder paste that suppresses generation of voids and has excellent reliability. A solder paste contains Sn-based powder, SnSb-based alloy powder with Sn and 10 mass % or more of Sb, and flux, wherein a liquidus temperature of the SnSb-based alloy powder is higher than a liquidus temperature of the Sn-based powder, and a content ratio of the Sn-based powder and the SnSb-based alloy powder is 75:25 to 95:5. Preferably, the content ratio of the Sn-based powder to the SnSb-based alloy powder is 80:20 to 90:10.

Provided is an aqueous ink jet-use ink composition which includes a binder resin, a surfactant, a pigment, a solvent and, if necessary, a pigment-dispersing resin. The binder resin has a glass transition temperature of 40-90° C. and is dispersed as resin emulsion particles. The value of A, which is defined as the sum of the product of the acid value and the content in terms of parts by mass of the binder resin and pigment-dispersing resin, is 0-200 mg KOH / g. The surfactant is a non-ionic compound represented by formula (1), and the content of solvents having boiling points of 250° C. or higher is less than 5 parts by mass relative to 100 parts by mass of the ink composition.R1O—(R2O)n—H  (1)R1 is a straight-chain or branched chain alkyl group having 12-22 carbon atoms. R2 is an ethylene group or propylene group.n is an integer between 10 and 50.

A developing device includes a developer carrying member for carrying a developer; a circulation path along which the developer is circulated; a carrier supplying portion; a discharge opening, provided in the circulation path, through which a portion of the developer is to be overflowed and discharged; and a feeding member comprising a rotation shaft and a blade portion including a helical portion. An outer diameter of the blade portion formed in a first region including at least a portion opposing the discharge opening is smaller than that in a second region adjacent to the first region with respect to a rotation shaft direction. A smaller average angle formed between the rotation shaft and a developer feeding surface of the blade portion in the first region is smaller than that in the second region.

An aluminum secondary battery includes a positive electrode 11, a negative electrode 12, and an electrolyte, wherein the positive electrode 11 includes an anion receptor such as polyaniline, the negative electrode 12 includes aluminum or an aluminum alloy, the electrolyte includes an aluminum salt, a sulfone, and a solvent with a dielectric constant of 20 or less, wherein the aluminum salt is typically AlCl3 or the like, the sulfone is typically ethyl n-propyl sulfone or the like, and the solvent with a dielectric constant of 20 or less is typically toluene or the like.

A fuel cell system, which includes a fuel cell for generating electric power and which discharges externally water remaining in the fuel cell by supplying a gas to the fuel cell, includes discharge amount estimating means, for estimating, based on the state of the fuel cell (the amount of residual water or an inclination angle), the amount of water to be discharged from the fuel cell.

The invention discloses a novel method to prepare the Ni(Sn, Sb)3 skutterudite compound. Skutterudite compounds are thermoelectric materials, which can transform heat into electric energy. Besides, the Ni(Sn, Sb)3 compound is also an anode material of Li ion battery. The solid state diffusion method is used to prepare the Ni(Sn1-x, Sbx)3 compound. Compared to traditional physical or chemical processes, the method disclosed in the invention is simpler and operates at a lower temperature. By the method according to the invention, the composition of the Ni(Sn, Sb)3 compound can be adjusted to fulfill variety requirements for different applications. It is noteworthy that the invention can prepare ternary compounds. In comparison with the frequently used binary compounds such as Ni3Sn4 or Cu6Sn5, the invention can produce materials with better performance.

The invention relates to a glass fiber irregular architecture sandwiched material as well as a preparation method thereof. The glass fiber irregular architecture sandwiched material is composed of an upper panel (1), a lower panel (3) and a chopped glass fiber bundle core material (2) with an irregular architecture; the chopped glass fiber bundle core material (2) with the irregular architecture forms an irregular polyhedral hollow structure by mutually overlapping chopped glass fiber bundles (4) at different angles and is fixedly connected with the upper panel (1) and the lower panel (3). The glass fiber irregular architecture sandwiched material provided by the invention cannot generate plastic yielding in a flat pressing loading process; the glass fiber irregular architecture sandwiched material without plastic yielding changes the common properties of the traditional sandwiched material, and overcomes the weakness that the traditional core material is rapidly collapsed and damaged; the preparation technology is simpler and more feasible.

The invention relates to a stabilized soil mixing plant and a stabilized soil backfill construction method in a narrow high backfill area, the stabilized soil mixing plant is arranged at a flat position near a construction plant, a slope subjected to slope making treatment is arranged on the periphery of the stabilized soil mixing plant, and a concrete hardened layer with a high middle and a low periphery and a drainage system are arranged on the bottom surface of the stabilized soil mixing plant; a material storage area, a raw material conveying area, a mixing area and a solidified soil conveying area are arranged in the stirring field, soil excavated from a foundation pit is processed on site in the solidified soil stirring field to be prepared into flow-state solidified soil, the flow-state solidified soil is backfilled into a narrow high backfilling area, a large amount of transfer cost is saved, the ecological environment is protected, and the construction efficiency is improved. The problems that in backfilling construction, the backfilling area is narrow, the backfilling depth is high, and personnel and machinery cannot conduct construction are solved, the solidified soil has a waterproof effect after being solidified, the hidden danger of leakage of the outer wall is solved, meanwhile, the solidified soil has quite high strength and does not need to be compacted, the tamping procedure is omitted, the construction efficiency is improved, and the construction cost is reduced.

An ink jet recording head, which can effectively prevent any bubble and solid matter such as dust existing in supplied ink to reach the vicinity of a nozzle, includes a plurality of energy generating elements for generating energy for discharging the ink, a plurality of discharge ports provided at locations opposed to the respective energy generating elements to discharge the ink therethrough, a plurality of ink flow paths communicating with the respective discharge ports, and an ink supplying port for supplying the ink to the plurality of ink flow paths. Water repellent protruding portions having their surfaces formed of a material having surface energy smaller than the interfacial energy between them and the ink are provided upstream of the discharge ports with respect to an ink flow direction in which the ink flows from the ink supplying port into the ink flow paths and is discharged from the discharge ports.

The invention provides a spray centrifugal dedusting fan, including an air cylinder consisting of a spray cylinder, a centrifugal cylinder and a fan cylinder; the left end and the right end of the air cylinder are respectively provided with an air inlet and an air outlet communicated with each other; a spraying device is installed in the spray cylinder; a plurality of through holes are arranged on the wall of the centrifugal cylinder; a bracket is installed inside the centrifugal cylinder; at least one centrifugal impeller is installed on the bracket; a fan is installed inside the fan cylinder; an outer cylinder is installed on the external wall of the centrifugal cylinder 11; an empty chamber is arranged between the centrifugal cylinder and the outer cylinder; the lower end of the outer cylinder is connected with a water seal elbow; the water seal elbow is communicated with the empty chamber, the trumpet-shaped first water-blocking shield is connected to the right part inside the centrifugal cylinder; the left port diameter of the first water-blocking shield is smaller than the right port in diameter; the left port of the first water-blocking shield corresponds to the centrifugal impeller and the right port corresponds to the fan. The invention adopts the spray centrifugal form to remove dust in air, which solves the problems of great air circulation resistance, low dedusting efficiency, high energy consumption and easy breakage of fan motor etc. in the prior art.