42results about How to "Reduce surface residue" patented technology

The invention provides a water quality detection device. The water quality detection device comprises an electrode and a detection cell, as well as a liquid drain hole formed in the detection cell, and a liquid drain passage communicated with the liquid drain hole, wherein the lowermost surface of the liquid drain hole is higher than the lowermost surface of the electrode. The water quality detection device provided by the invention has the advantages of reliable and stable electrode, long work time, and so on.

The invention discloses a medicament foil rolling additive composition. The composition consists of the following components by weight: (A) 0.04-2.0% of low-temperature antioxidant, (B) 80-95% of fatty acid methyl ester, (C) 0.06-1.0% of phosphide anti-wear agent, (D) 1-15% of polyhydric alcohol and (E) 0.04-2.0% of high-temperature antioxidant, wherein the component (C) phosphide anti-wear agent is one or more of triaryl phosphate, tricresyl phosphate and phosphate amine salt; the component (D) polyhydric alcohol is one or more of trimethylolpropane, pentaerythritol and diethylene glycol. By compounding the carbon chain fatty acid methyl ester, the phosphide anti-wear agent and the polyhydric alcohol, the chemical adsorption capability and the flow cleaning performance are enhanced, the surface residue of a medicament foil product is greatly reduced on the premise of ensuring the lubricating capability, and the dyne value and peeling strength of a medicament foil are effectively improved.

The invention discloses a silicon wafer chemical and mechanical polishing composition with high stability, belonging to the technical field of polishing compositions for roughlly polishing a semiconductor silicon substrate material. The polishing composition comprises the following components in percentage by weight: 0.5-50 percent of silicon dioxide abrasive particles, 0.01-10 percent of silicon-containing stabilizer, 0.01-20 percent of organic alkali corrosive, 0.01 -10 percent of organic acid chelating agent, 0.01-5.0 percent of other functional auxiliaries and the balance of deionized water. The polishing solution has a stabilization period of over 2 years, can perform repeated polishing or cyclic polishing, and has stable pH value and removal speed, wherein the number of cyclic polishing times can be up to 10. Meanwhile, the polishing composition has high silicon wafer removal rate up to over 1.0 mum / min, and the cyclic polishing removal rate in multiple times can be stable. The polishing solution is convenient to prepare and easy to use, has low cost, and is suitable for the rough polishing of silicon wafers of various types and sizes in the semiconductor industry.

The invention discloses a gold bonding wire which comprises the following components in percentage by weight: 0.0003-0.0008 percent of calcium, 0.002-0.004 percent of copper, 0.0005-0.0015 percent of germanium and the balance of gold, wherein the purity of the gold is larger than or equal to 99.99 weight percent. The invention also discloses a preparation method of the gold bonding wire. The method mainly comprises the following step of after a wire drawing step and before an annealing step: loading a gold wire obtained after wire drawing into a high-pressure water washing system for washing,wherein the water pressure of the washing system is 2-4kg, i.e. 0.2-0.4MPa, and the water temperature is 40-60 DEG C. The gold bonding wire has the advantages of high strength and low and long arc and can meet the high requirement on gold bonding wires of the semiconductor industry; and moreover, in the preparation process, lubricating agents on the surfaces of the gold bonding wires can be effectively washed, therefore, the use effect of a final product is guaranteed.

The invention relates to a method for carrying out leveling production by adopting the water spray injection for replacing the ordinary leveling liquid spraying, which is applied to various cold milling leveling machine sets. A water spray injection method of leveling liquid in cold milling wet leveling production is characterized by comprising the following steps that: 1, a water spray injector is arranged at an inlet side of a wet leveling machine, a spray opening of the spray nozzle of the water spray injector faces a roller seam formed between a work roller and a support roller, and an air input end and a leveling liquid input end are arranged on the spray nozzle; 2, when the leveling milling of the wet leveling machine is started, the compressed air and the leveling liquid are input to the spray nozzle, a mixing valve is opened and regulated so that the flow rate of the leveling liquid flowing into each spray nozzle is 10 to 44.7 L / h, the flow rate of the air flowing into each spray nozzle is 5.2 to 13 m<3> / h, the leveling liquid and the compressed air are mixed at the spray nozzle part and are sprayed out at the spray opening of the spray nozzle in a gas spray mode, when the leveling milling is completed, the conveyance of the compressed air and the leveling liquid is stopped, and the mixing valve is closed. The problem of leveling spot residue caused by unclean blowing of the leveling liquid is solved by the method.

Provided are a lubricant composition for polishing glass substrates and a polishing slurry that contain components (A) and (B), and when necessary, components (C) and / or (D). (A) A cyclic oligosaccharide (B) Water (C) An alkanolamine (D) A C6-24 aliphatic carboxylic acid

The invention relates to environmentally-friendly super-finishing grinding oil and a preparation method thereof. The environmentally-friendly super-finishing grinding oil is prepared from, by weight, 5.0%-10.0% of ester base oil, 3.0%-5.0% of an extreme-pressure and anti-wear agent, 0.5%-1.0% of an antioxygen, 0.05%-0.1% of a metal desactivation agent, 0.5%-1.0% of an oil mist inhibitor, 0.01%-0.05% of an anti-foaming agent and mineral base oil balance. The sum of the percentages of the above components is 100%. The environmentally-friendly super-finishing grinding oil has high lubrification, cooling, rust protection and corrosion protection performances; meanwhile, heavy metals, chlorine and low oil mist do not exist in the environmentally-friendly super-finishing grinding oil, so that the environmental-friendly super-finishing grinding oil is harmless to an operator and the environment.

The invention relates to a system for performing a leveling production by means of water mist leveling. A water mist leveling system in a cold-rolling wet leveling production, which is characterized by being composed of a water mist leveling-spraying device and a water mist leveling and suction dust removal system, wherein the water mist leveling-spraying device comprises a water mist leveling-spraying beam, a telescoping mechanism and a leveling mist spraying device; the leveling mist spraying device is fixed on the water mist leveling-spraying beam; the water mist leveling-spraying beam is connected with a connection cross beam via the telescoping mechanism, and the both ends of the cross beam are fixed on the frame of a wet leveling mill respectively; the water mist leveling and suction dust removal system comprises an anti-wrapping guide plate and an inlet side air suction tube; the lower port of the anti-wrapping guide plate is a first air suction opening; the inlet side air suction tube is disposed at the inlet side of the wet leveling mill, and the lower port of the inlet side air suction tube is a second air suction opening. The system can increase the quality of strip steel surface and decrease the production energy consumption.

The invention relates to a display substrate, a display device and a manufacturing method of a color film substrate. The display substrate comprises at least two different types of pixel units, and the pixel units are arranged in a one-dimensional quasi crystal mode. The display substrate, the display device and the manufacturing method of the color film substrate have the advantages that the at least two types of pixel units on the display substrate are displayed in the one-dimensional quasi crystal mode, the fluid resistance on the surface of the display substrate is lowered, the surface energy is increased, and the surface residue of water stain is reduced.

The invention discloses a method for preparing a bonded alloy wire, which comprises the following steps: (1) purchasing 99.995% silver and making it into a silver sheet; (2) making an intermediate alloy; (3) vertical melting; (4) wire drawing ; (5) intermediate annealing; (6) re-drawing (7) annealing; (8) coiling; (9) vacuum packaging. Compared with the prior art, the present invention has the following advantages: in this preparation method: (1) an intermediate annealing process is added to eliminate stress when the wire drawing reaches 70-100 μm, so that the wire drawing is smoother and the wire is not easy to break; (2) after the finished wire is annealed The surface treatment effectively prevents the bonding effect of self-diffusion between the bonded alloy wires and improves the product yield; effectively reduces the surface residue of the alloy wires and improves product quality. In the preparation method, the lubricating liquid on the surface of the alloy wire is effectively cleaned by using an ultrasonic cleaning system, thereby effectively reducing the surface residue of the alloy wire and improving product quality.

The invention discloses a copper chemical and mechanical polishing combination, which belongs to the technical field of microelectronic auxiliary materials and ultra-precision machining processes. The copper chemical and mechanical polishing combination comprises abrasive particles, an oxidant, a complexing agent, a polishing accelerating agent and a pH regulator. The copper chemical and mechanical polishing combination is characterized by further comprising a long chain corrosion inhibitor and a surface active agent. By using the polishing combination provided by the invention, surface residues, particularly surface granular residues, can be obviously decreased; surface corrosion defects can be obviously decreased; a higher removal speed rate is obtained; and the polishing combination provided by the invention further has the advantages of simple process, cheap price, low cost and the like.

The invention relates to a low acid consumption anti-corrosion hot-replacing-cold product production method. The low acid consumption anti-corrosion hot-replacing-cold product production method comprises the following steps: uncoiling by adopting an uncoiler; breaking and stripping oxide on the surface of strip steel by adopting a temper mill; further breaking and stripping the oxide on the surface of the strip steel by adopting a multi-roll straighter; eliminating the oxide which falls off and is loose on the surface of the strip steel by adopting a brushing device; carrying out acid pickling and rinsing on the treated strip steel; then eliminating residue on the surface of the strip steel by adopting a mechanical way; carrying out surface roughness homogenization finishing on the strip steel; recoiling by adopting a recoiler. By virtue of the technical scheme, the low acid consumption anti-corrosion hot-replacing-cold product production method has the advantages that firstly more cracks and large gaps are formed in the oxide on the surface of the strip steel, so that acid pickling efficiency is high; secondly, eliminating part of oxide while breaking scale, so that acid picking reacting dose is reduced, and acid consumption is reduced; thirdly, added value of yield strength of the strip steel after processing is low; fourthly, a Luders strip is avoided from being formed on the surface of a common hot rolling product; fifthly, chlorine ion residue on the surface of a product is reduced, and corrosion resistance of the product is improved.