33results about How to "Easy to mix evenly" patented technology

The invention discloses plasma etching residue cleaning solution, which comprises a solvent, water, fluoride, and a star polymer containing pigment affinity groups. The plasma etching residue cleaningsolution can effectively remove photoresist residues after plasma etching, can simultaneously inhibit corrosion of metal (in particular aluminum) and non-metals in high efficiency, and has larger operating windows for cleaning and rinsing.

The invention provides cleaning liquid for removing photoresist residues and constitution of the cleaning liquid. The cleaning liquid for removing the photoresist residues contains sulfolane, diglycolamine and an auxiliary solvent. The cleaning liquid for removing the photoresist residues does not contain water, hydroxylamine or fluorides, can clean the difficultly-removed photoresist residues on a wafer under high operating temperature without corroding base materials such as metals comprising aluminum, silver, titanium and tungsten and non metals comprising silicon dioxide, gallium nitride and the like, and has a good application prospect in the fields of semiconductor and LED (light emitting diode) wafer cleaning and the like.

The invention relates to EPDM (Ethylene-Propylene-Diene Monomer) for a sealing ring and a vulcanization method thereof. The EPDM for the sealing ring comprises the following components: non-oil-filled raw ethylene-propylene rubber, oil-filled raw ethylene-propylene rubber, ZnO, an anti-aging agent, general purpose black, sulfur, flavorless DCP and a cross-linking agent TAIC. In the cross-linking process, both C-C bonds and S cross-linking bonds are contained, the compression deformation rate is low, and the tear resistance is improved; the oil-filled raw ethylene-propylene rubber and the non-oil-filled raw ethylene-propylene rubber can be combined, so that the compression deformation performance is guaranteed, usage of plasticizer oil in the formula is reduced, and the rubber is easily and uniformly mixed and is high in liquidity, thin in rubber edge and easy to tear; and moreover, the product has the advantage that peroxide vulcanizedethylene-propylene rubber is low in permanent compression deformation rate, and the problem that peroxide vulcanizedEPDM products are difficult to tear is solved, so that the performance and production efficiency of the product are improved.

The invention discloses photoresist cleaning liquid for removing the photoresist residues and with extremely-low corrosion to metals and composition thereof. The photoresist cleaning liquid contains (a) quaternary ammonium hydroxide; (b) alkylol amine; (c) solvent; (d) C4-C6 polyhydric alcohol; and (e) thiazole derivative. The photoresist cleaning liquid disclosed by the invention has the advantages that the photoresist photoresistance residues on wafers can be effectively removed, and the corrosion to metals such as copper and aluminium is ultra-low; and the application prospect in the fields of cleaning of semiconductor chips and the like is good.

The carrier chemical modification treatment equipment comprises a mixing box, a rotating shaft is rotationally connected to the top of the mixing box, a stirring motor is arranged on the outer wall of the top of the rotating shaft, a liquid inlet and a feeding port are formed in the two sides of the stirring motor, and a plurality of stirring shafts are fixedly connected to the outer wall of the rotating shaft; a mounting plate is fixedly connected to the interior of the rotating shaft, a main shaft is rotatably connected to the outer wall of the mounting plate, a rotating motor is arranged on the outer wall of the top of the main shaft, a plurality of first bevel gears are fixedly connected to the outer wall of the main shaft, and the outer walls of the first bevel gears are engaged with a plurality of second bevel gears; the second bevel gears are fixedly connected to the outer wall of one side of the auxiliary shaft. When the moving belt moves, the plurality of stirring plates on the moving belt move from bottom to top, so that a compound moving towards the center can be stirred to the outer ring, and the compound and liquid can be fully and uniformly mixed.

The invention discloses low-metal-etching photoresist stripping liquid and application thereof. The low-metal-etching photoresist stripping liquid the following components: (a) quaternary amine hydroxide, (b) alcohol amine, (c) a solvent, (d) a star copolymer with pigment adsorption groups and (e) silane with a specific structure. According to the low-metal-etching photoresist stripping liquid, the corrosion rate to metal can be effectively reduced, and particularly metallic aluminum are hardly corroded; meanwhile, photoresist and residues of the photoresist on a wafer can be effectively removed, so that the low-metal-etching photoresist stripping liquid has a good application prospect.

The invention discloses a molten salt reactor loading and unloading system, comprising at least one base salt tank, at least one feed salt tank, a reactor tank and a first heat exchanger, wherein theouter wall face of the reactor tank is provided with a base salt inlet, a fuel salt inlet and a fuel salt outlet; the base salt tank is connected with the base salt inlet and is communicated with thereactor tank; the feed salt tank is connected with the reactor tank and is communicated with the reactor tank; the fuel salt outlet and the fuel salt inlet are respectively connected with an inlet andan outlet of the first heat exchanger; a fuel salt loop is formed by the reactor tank and the first heat exchanger. According to the molten salt reactor loading and unloading system, the base salt tank and the feed salt tank can be used for respectively adding base salt and feed salt into the reactor tank, and the base salt and the feed salt in the fuel salt loop can be evenly mixed by means of the operation of the fuel salt loop; the uniform mixing is rapid and convenient, the operation is simple, and the cost is low.

A feed fermentation device is disclosed. The device includes a mounting base. The left end of the upper surface of the mounting base is fixedly connected to two pairs of round vertical columns. The upper surface of the round vertical columns are fixedly connected to a round feed stirring bin the upper surface of which is provided with a motor mounting hole. A stirring motor the rotating end of which faces downward is embedded in the motor mounting hole. The rotating end of the stirring motor is fixedly connected to a stirring shaft. The lower surface of the stirring shaft is fixedly connectedto a plurality of spiral stirring bars. The upper surface of the round feed stirring bin is provided with a material feeding port at the right side of the motor mounting hole. The inner lower surfaceof the round feed stirring bin is provided with a rectangular groove the lower inner surface of which is provided with a pressure sensor. Beneficial effects of the device are that feed raw materials can be stirred uniformly, water addition according to a ratio is facilitated, feed quality is improved, prompting after fermentation is facilitated, temperature control is convenient and the device hasa novel structure and high utilization value.

The present invention discloses a cleaning solution for removing a light resistance residue. The cleaning solution comprises a quaternary amine hydroxide, an alcohol amine and a solvent, and further comprises a lipid material, wherein the lipid material has the general formula of R-COCH2COOCH2R', and the number of the carbon molecules in the group R or R' is less than or equal to 4.

The invention relates to an asphalt stone mixing stirring heating kettle. The asphalt stone mixing stirring heating kettle comprises a housing; a stirring chamber, wherein the top of the housing is provided with a feed inlet communicated with the stirring chamber; a heating chamber; a heat supplying chamber; a conduction oil circulating system comprising an oil storage tank and a conduction oil pipeline, wherein the conduction oil pipeline and the oil storage tank are communicated; a feed outlet which is arranged at the tail end of the housing, is communicated with the stirring chamber, and is provided with a door cover device; a stirring mechanism comprising a rotatable stirring shaft and a plurality of stirring blades arranged on the stirring shaft; a mechanical chamber, wherein a power device used for driving the stirring shaft to rotate is arranged in the mechanical chamber; and a heating device which is arranged between the mechanical chamber and the heat supplying chamber, and is used for providing heat for the heat supplying chamber. The asphalt stone mixing stirring heating kettle is capable of simplifying traditional preparation technology of asphalt concrete, and heating asphalt concrete, frying stone to be hot, and mixing and stirring at the same time so as to mix materials uniformly; mixing proportion is accurate; quality of obtained mixed material is high; labor consumption is reduced; production efficiency is increased, and production cost is reduced.

The invention discloses concrete processing equipment which comprises a stirring tank, a stirring plate and a stirring mechanism. A plurality of raw material boxes distributed in circumference are arranged above the stirring tank, feeding tubes communicate to the inner sides of the raw material boxes, and spiral feeding rollers are arranged in the feeding tubes. By arranging the raw material boxesdistributed in circumference and communicating to the feeding tubes, raw materials are quantatively and synchronously fed, so that the raw materials are uniformly stirred subsequently, the stirring effect is improved and the stirring time is shortened. By arranging the stirring plate connected to a suspension shaft through a rotating rack, the stirring range of the stirring plate is ensured. By arranging the spiral feeding rollers connected to the stirring shaft through a transmission mechanism, feeding and stirring are synchronized, so that a driving structure and a control node are simplified.

The invention discloses a chemically mechanical polishing solution, which is characterized by comprising silica, alkylation siloxane end-capped poly-alkoxy and water. The polishing solution of the invention overcomes the defects that the existing chemically mechanical polishing solution used for polishing oxide dielectrics adopts polyether to restrain the polishing rate of polycrystalline silicon, a large amount of foam is generated in the polishing process, and the polishing rate is influenced and the environment is polluted. In the invention, modified polyether is used, a large amount of foam can not be generated even under severely stirring, the removal rate of the polycrystalline silicon is controlled, and the polishing rate of the oxide is not influenced, thus being benefit for transporting.

The invention discloses a PPM environmentally friendly material which is prepared from the following raw materials in parts by mass: 70-80 parts of limestone, 1-2 parts of yttrium aluminium garnet, 2.5-4 parts of sodium hypophosphite, 8-20 parts of nitrilo-calcium silicate, 1-3 parts of poly-olefin oil, 0.5-2 parts of barium stearate, 2-4 parts of a complexing agent, 0.1-0.3 part of an antioxidantand 0.2-0.4 part of isothiazolinone. At a temperature of -18 DEG C or below, the PPM environmentally friendly material has high flexibility and does not get crisp easily and can bear certain externalforce. A preparation method of the PPM environmentally friendly material comprises the following steps: (a) uniformly mixing the limestone, the sodium hypophosphite, the nitrilo-calcium silicate, theyttrium aluminum garnet and the barium stearate to obtain a mixture A; (b) adding the poly-olefin oil into the mixture A, and stirring uniformly to obtain a mixture B; (c) sequentially adding the complexing agent, the antioxidant and the isothiazolinone into the mixture B, and stirring uniformly in a water bath at 50-60 DEG C to obtain the PPM environmentally friendly material.

The invention provides a nitrogen and iodine co-doped titanium dioxide barrier layer and a method for preparing same. The method comprises: under an ice bath condition, mixing and stirring tetrabutyllipid titanate and absolute ethanol, and diethanolamine for 1 hour and then using as a precursor liquid A; then, using deionized water and absolute ethanol as reaction solvents, and adding certain amount of urea and iodine, uniformly stirring to prepare a B solution, and adding the B solution to the precursor A liquid dropwise, rapidly stirring for 24 hours to obtain a colloidal solution C liquid;dropping the C liquid on a cleaned FTO conductive surface, using a spin coater to prepare a titanium dioxide film by spin coating, and sintering at 500 DEG C for 30 minutes in a muffle furnace to obtain a high-efficiency nitrogen and iodine co-doped titanium dioxide barrier layer. The barrier layer can effectively reduce recombination of electron hole pairs and improve light quantum conversion efficiency (IPCE) of a battery. The barrier layer can obviously open circuit voltage and short circuit current of a solar cell when the barrier layer is used for a quasi-solid-state dye-sensitized solarcell, and photoelectric conversion efficiency of the battery can reach 6.65%.

The invention discloses a paint conveyor with controllable conveying efficiency. The paint conveyor comprises a conical feeding groove, a first opening groove, a second opening groove, a first telescopic support, a second telescopic support, a mounting column and an aerator, wherein the first opening groove and the second opening groove are both obliquely arranged with a higher left part and a lower right part; the right end of the first opening groove is open; the left end and the right end of the second opening groove are both open; the left end of the first opening groove is arranged belowa conical feeding groove; and the left end of the second opening groove is arranged below the first opening groove. The first telescopic support and the second telescopic support both comprise a supporting column, a positioning cylinder, a supporting rod and an elastic piece, wherein the upper end of the supporting column of the first telescopic support and the right end of the supporting rod of the first telescopic support are both fixed at the bottom of the first opening groove; and the upper end of the supporting column of the second telescopic support and the right end of the supporting rod of the second telescopic support are both fixed at the bottom of the second opening groove. The mounting column is fixed on a supporting platform, the aerator is fixed on the mounting column, and anair outlet of the aerator right faces to the left end opening of the second opening groove. The paint conveyor is used for transition of oil paint during oil paint mixing, and oil paint mixing efficiency can be improved.

The invention discloses a coal mine exploitation screening device for facilitating uniform stirring. The coal mine exploitation screening device comprises a main shell, a servo motor, a positive and negative motor and a collecting trough; the main shell is internally provided with a sliding slot, the main shell is internally provided with a crushing barrel, a convex ring is fixedly connected to the middle portion of the outer side of the crushing barrel, an upper end cover is fixed to the left side of the main shell, the servo motor is fixedly mounted in the upper end cover, the lower end of amain shaft is fixedly mounted at the bottom of the crushing barrel, springs are arranged on the left and right sides of a screening plate, the right side of the screening plate is arranged in a sleeve, a steel rope is connected to the left side of the screening plate, the steel rope is arranged inside the springs, the other end of the steel rope penetrates through a left-side base to be connectedto a rotary disc, a fixing shaft is connected to the positive and negative motor, and the collecting trough is arranged at the bottom of the base. By means of the coal mine exploitation screening device for facilitating uniform stirring, the screening device moves left and right to enable coal mine on the screening plate to be separated faster, and the work efficiency is improved.