483 results about "Abrasive agent" patented technology

The polishing slurry of the invention is a polishing slurry for polishing a silicon oxide film on polysilicon, which contains an abrasive, polysilicon polishing inhibitor, and water. As the polishing inhibitor, it is preferable to use (1) a water-soluble polymer having a N-monosubstituted or N,N-disubstituted skeleton substituted by any member selected from the group consisting of acrylamide, methacrylamide, and α-substituted derivatives thereof, (2) polyethylene glycol, (3) an oxyethylene adduct of an acetylene-based diol, (4) a water-soluble organic compound having an acetylene bond, (5) an alkoxylated linear aliphatic alcohol, or (6) a copolymer containing polyvinyl pyrrolidone or vinyl pyrrolidone. There is provided a polishing method which is capable of polishing a silicon oxide film on a polysilicon film at a high speed, and inhibiting the progress of polishing of a polysilicon film in exposed parts in the manufacturing method for a semiconductor.

Methods of cleaning a surface comprising the step of jetting against a surface to be cleaned, a cleaning fluid comprising a liquid base fluid and degradable particles wherein the degradable particles act as an abrasive agent.

The invention provides a method of polishing a substrate containing a low-k dielectric layer comprising (i) contacting the substrate with a chemical-mechanical polishing system comprising (a) an abrasive, a polishing pad, or a combination thereof, (b) an amphiphilic nonionic surfactant, and (c) a liquid carrier, and (ii) abrading at least a portion of the substrate to polish the substrate.

The present invention relates to a toothpaste containing notoginseng extract and its preparation method. Its composition includes (by wt%) 0.07%-1.2% of notoginseng extract, 30%-55% of abrasive agent, 15%-30% of moistening agent, 0.6%-1.5% of binder and 2%-2.7% of foaming agent. Said toothpaste containing notoginseng extract has the health-care functions of preventing and curing the diseases of peridentitis, gingivitis, gingival bleeding and stomatocace, etc.

The invention discloses a polishing film and the preparation method, which adopts the ultrafine micro mist as the grinding material and prepares in flow-casting coating method, namely the powdered or granular resin is dissolved into the organic solvent and then added in functional additive to make the resin adhesive, then the abrasive of surface-modified ultrafine micro mist is added into the resin adhesive and the spread coating liquid can be obtained after fully mixing, finally the paint is painted on the surface of soft base in flow-casting coating method and the polishing film can be obtained after drying and curing. The preparation method of the polishing film has the advantages of small equipment investment, simple operation, high productivity and automation level, steady craft, even film performance and low manufacturing cost. The polishing film can adjust the craft parameters of the flow-casting craft conveniently according to the different quality requirement and standards of the products, and can achieve production in multi-specification and small lot production and overcomes the problems that the rapid transformation of the product specification is difficult due to the limit of the equipment structure in roller coating method.

A soft brittle functional crystal grinding and machining method belongs to the technical field of soft brittle functional crystal machining, and particularly relates to a soft brittle functional crystal ultra-precision grinding and machining method for a semiconductor and a photoelectric crystal. The method is characterized in that a micro-powder diamond segmental variable speed feed and a soft abrasion grinding wheel chemical mechanical grinding method are adopted to machine the soft brittle function crystal. During the crude grinding period and the accurate grinding period, the feeding speed of the grinding wheel is firstly high and then low. A grinding fluid is de-ionized water. A soft abrasive agent grinding wheel is adopted to conduct the chemical mechanical grinding. The soft abrasive agent is a macromolecule polymer or waterproof resin. A filler is NaHCO3 or a refined naphthalene foaming agent. The chemical and mechanical grinding fluid is adopted as a reaction fluid and a cooling fluid. The grinding fluid mainly contains lactic acid, acetic acid and de-ionized water. The pH value of the grinding fluid is 2-4. The invention has the advantages of high grinding and machining efficiency, low machining cost and high surface precision. In addition, no surface/sub-surface damage is caused to the surface of a workpiece, such as small scratches, embedment of free abrasive agent, plastic deformation, residual stress, and the like.

Disclosed is a polishing agent comprising water, particles of a tetravalent metal hydroxide, and an additive. The additive contains at least one of a cationic polymer and a polysaccharide. In a CMP technique for flattening an insulating film, the polishing agent can polish the insulating film at a high speed without causing significant polishing flaws and has a high polishing speed ratio between a silicon oxide film and a stopper film. Also disclosed are a polishing agent set for storing the polishing agent and a method for polishing a substrate using the polishing agent.

Liquid abrasive cleanser compositions sprayable through conventional manual trigger sprayers comprise a polyalkylene glycol, a nonionic surfactant, a pH adjusting agent, an abrasive, and water, wherein sprayability is made possible by the addition of the polyalkylene glycol. The compositions that are sprayable and acceptable as hard surface cleaners comprise polyethylene glycol as the polyalkylene glycol. The addition of polyethylene glycol having molecular weight of from about 4,000 to about 1,000,000 dramatically increases the sprayer output volume of liquid abrasive compositions having greater than or equal to 10 wt. % calcium carbonate. Addition of polyethylene glycol of molecular weight of from about 4,000 to about 100,000 converts otherwise non-sprayable liquid abrasive compositions into reliably sprayable compositions.

A method of processing a substrate having a conductive material layer disposed thereon is provided which includes positioning the substrate in a process apparatus and supplying a first polishing composition between to the substrate. The polishing composition comprises phosphoric acid, at least one chelating agent, a corrosion inhibitor, a salt, an oxidizer, abrasive particulates, at least one pH adjusting agent to provide a pH from about 4 to about 7 and a solvent. The method further includes forming a passivation layer on the conductive material layer, removing the passivation layer to expose a portion of the conductive material layer, applying a first bias to the substrate, and removing at least about 50% of the conductive material layer. The method further includes separating the substrate from the first polishing composition, exposing the substrate to a second polishing composition and a second bias, and continuing to remove the conductive material layer.

The invention discloses a high-performance sapphire grinding fluid and a preparation method thereof. The grinding fluid is prepared from the following components in parts by weight: 3-60 parts of abrasive agent, 0.2-5 parts of suspending agent, 5-30 parts of accelerant and 12-70 parts of water; the pH value of the grinding fluid ranges from 7 to 13. The preparation method comprises the following steps: (1) weighing the abrasive agent, the suspending agent, the accelerant and the water according to the weight proportions; (2) dissolving the suspending agent into the water thoroughly and stirring evenly; (3) dispersing the abrasive agent in the liquid of the step (2) to form a suspension; (4) adding the accelerant to the suspension and stirring evenly; (5) regulating the pH value to the range of 7-13. The high-performance sapphire grinding fluid is good in suspension property, not easy to precipitate, high in removal rate and long in cyclic service life; the grinding processing efficiency can be greatly improved and the cost can be reduced.

The invention provides a high-precision compound polishing solution. The high-precision compound polishing solution is prepared from components in percentage by weight as follows: 0.1%-50% of an abrasive, 0.01%-20% of a dispersant, 0.01%-15% of a suspending agent, 0.1%-5% of a corrosion inhibitor and the balance of a deionized water solvent. The polishing solution mainly adopts mechanical removal and can realize high-speed polishing of base materials; the preparation method has the advantages that the production efficiency is high, the continuity is high, the cost is low, the product fineness is high and the like and has no requirement for the particle size distribution and uniformity of raw materials for the abrasive, the selection range of the raw materials for the abrasive is broadened, and all powder materials meeting the average particle size requirement can be applied.

The invention discloses a low oil mist gear grinding oil composition, belonging to the field of metalworking liquid. The composition according to the invention is composed of the following components by weight percent: 70-81% of refined mineral oil, 10-20% of synthesized fatty acid ester oiliness agent, 5-10% of sulfulrized fatty acid ester, 0-3% of phosphate, 0.3-1.0% of oil mist inhibitor and 0.01-0.1% of antifoaming agent; in the composition, the polymer of oil mist inhibitor is innovatively introduced by means of the coordinate proportioning of the refined mineral oil and the fatty acid ester oiliness agent as main component, thus enhancing lubricity, quickening the sedimentation of the oil mist and effectively reducing the concentration of the oil mist in the operating environment, and in addition, lubricating agent and anti-abrasive agent are scientifically proportioned and used, so the composition contains no chlorine which does harm to ecological environment and human body, has strong universality, can be used for processing black and non-ferrous metals and is non-corrosive to copper, therefore, the composition according to the invention not only imparts excellent processing performance to gear grinding oil, but also effectually improves oil mist environment, which is favorable for environmental protection and body health of operating staff.

An insulator electrified cleaning agent is composed of, by weight, 60-90 parts of a solvent dimethyl carbonate, 15-30 parts of a cosolvent ethylene glycol derivative, 5-10 parts of a nonionic surfactant, 2-5 parts of an abrasive agent nanocrystalline metal oxide, 1-5 parts of a diffusant dichloromethane, 0.5-2 parts of a washing aid N-alkyl pyrrolidone, 0.2-1 part of a stabilizing agent cocomut oil die thanolamide and 1-3 parts of polymethyl siloxane. The cleaning agent can effectively remove stains on the surface of an insulator anti-pollution flashover coating in a high saline and sodic environment with high industrial pollution and recover excellent hydrophobicity and hydrophobic migration of the insulator surface. Thus, the cleaning agent has the capability of effectively guaranteeing safe operation of electrical equipment.

The present invention provides a CMP abrasive slurry for polishing insulation film, that allow efficiently and high-speed polishing of insulation films such as SiO₂ film and SiOC film in the CMP method of flattening an interlayer insulation film, a BPSG film, an insulation film for shallow trench isolation, or a wiring-insulating film layer, a polishing method by using the abrasive slurry, and a semiconductor electronic part polished by the polishing method. A CMP abrasive slurry for polishing insulation film containing cerium oxide particles, a dispersant, a water-soluble polymer having amino groups on the side chains and water, a polishing method by using the CMP abrasive slurry, and a semiconductor electronic part polished by the polishing method.

This invention provides for, inter alia, a cleaning and polishing oil-in-water emulsion which comprises: A. about 0.1 to about 25% of at least one silicone oil with a viscosity ranging between about 20 and about 100,000 mPas.; B. about 0.5 to about 25% of at least one bisquaternary organomodified silicone of the formula:

[Z-M-(R′R″)SiO—[(R′R″)SiO]_n—Si(R′R″)-M-Z]²⁺2X⁻  (I)  whereby Z is a quaternary nitrogen radical, R′ and R″ are independently from each other an alkyl or an aryl radical, M is a divalent hydrocarbon radical having at least 4 carbon atoms which optionally contain at least one hydroxyl group and which may be interrupted by one or more oxygen atoms and/or groups of the type —C(O)—, —C(O)O— or —C(O)N—, n is a number between 1 and 200,

• • • X⁻ is a inorganic or organic anion, C. about 0.1 to about 15.0% of at least one nonionic or amphoteric surfactant which has an alkyl chain length between 6 and 14 carbon atoms; D. about 1 to about 40% of at least one oil selected from the group of mineral oils, paraffin oils, petroleum distillates, hydrocarbon solvents, ester oils, triglycerides and cyclic silicone oils; E. about 0.1 to about 15% of at least one emulsifier; F. about 20 to about 99% water; and optionally one or more auxiliaries selected from the group consisting of consistency enhancers, thickeners, stabilizers, fragrances, preservatives, antioxidants, dyes, abrasives, glycol ethers, alcohols, and builders. The inventive oil-in-water emulsion, when used in a non-pressurized foam dispenser, dispenses as a foam that is stable and dense. The inventive oil-in water emulsions may be used in cleaning and polishing surfaces.

The invention relates to an anti-abrasive agent for a wheel rail, and in particular relates to an environment-friendly wheel-rail lubricating anti-abrasive agent. The anti-abrasive agent comprises the following components in parts by weight: 50-90 parts of base oil, 3-20 parts of a thickener, 3-30 parts of an anti-wear agent and 1-10 parts of an antirust agent, wherein the base oil is any one or a combination of more of an ester compound, poly-alpha-olefin, polyether and plant oil.