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7462248 |
A method for cleaning a photomask includes cleaning the photomask with a chemical cleaner, introducing a solution to the photomask, the solution is configured to react with residuals generated from the chemical cleaner to form insoluble ...
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7410544 |
A method for cleaning a metal plating tank is provided herein. In accordance with the method, the tank is exposed to a first acid ( 103 ), after which the tank is exposed to a second acid in the presence of a first oxidizing agent ( 107 ).
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7402212 |
A method for cleaning a glass substrate before photoresist coating, which method can remove oxide compounds and organic residues from the surface of a metal layer of the glass substrate, comprises the steps of firstly providing an alkali...
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7399366 |
Several products and processes for preventing the occurrence of rust stains resulting from irrigation systems using water having iron ions, such as well water, and for cleaning off rust stains resulting from the use of said irrigation sy...
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7377984 |
Disclosed herein is a method of cleaning a photomask, which prevents haze from being generated on a surface of the photomask during a photolithography process. The photomask is heat treated to remove residual ions on a surface thereof an...
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7368019 |
A technique is provided to precludes elution of the nickel by infallibly removing the nickel adhering to the inner surface of plumbing hardware, realize a treatment for efficient (treating temperature, treating duration, etc.) preclusion...
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7329322 |
In an exhaust pipe, a rotating shaft takeoff connection is provided so as to support a rotating shaft for rotating a switching valve fixed thereon. The rotating shaft extends to the outside of the exhaust pipe and is provided with an int...
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7275550 |
An apparatus and method for cleaning and pressure testing tube structures comprising a cleaning fluid supply pump and a pressurization pump alternately in fluid communication with a feed header having a feed header interface engageable t...
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7264681 |
A cleaning apparatus and a cleaning method wherein cleaning and drying can be carried out in the same cleaning apparatus without the risk of reverse contamination of the cleaned object after the drying process. The cleaning apparatus inc...
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7258750 |
A process for removing paint from a plastic substrate that typically includes immersing and optionally agitating the painted plastic substrate in a first chemical fluid, removing the substrate from the first chemical fluid, typically imm...
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7252717 |
A method of cleaning a lubrication system of a machine includes removing existing lubricant and circulating a cleaning fluid through the lubrication system. After the cleaning fluid has been removed, a neutralising fluid is circulated th...
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7250085 |
Method of wet cleaning a surface of at least one material chosen from silicon, silicon-germanium alloys, A(III)/B(V)-type semiconductors and epitaxially grown crystalline materials, such as germanium, in which method the following succes...
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7229506 |
A process for pickling martensitic or ferritic stainless steel, preferably in the form of wires, tubes or rods, wherein the stainless steel is placed in contact with a pickling solution which has a temperature in the range 15 to 29° C. ...
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7228865 |
An embodiment of the invention is a method of cleaning a material stack 2 that has a hard mask top layer 8 . The method involves cleaning the material stack 2 with a fluorine-based plasma etch. The method further involves rinsing th...
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7204890 |
Many prior art processes for cleaning predominantly organic hard surfaces have been found to be considerably less effective in removing very fine particles on such surfaces than are the best cleaners for metallic surfaces. However, it ha...
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7192489 |
A method for removing polymer containing residues from a semiconductor wafer including metal containing features including providing a semiconductor wafer having a process surface including metal containing features said process surface ...
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7186301 |
Disclosed herein is a device and a method of cleaning a photomask, which prevents haze from being generated on a surface of the photomask during a photolithography process. The photomask is heat treated to remove residual ions on a surfa...
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7160396 |
A washing method has a nonaqueous washing process of washing an object to be washed using a nonaqueous solution, an intermediate washing process of washing the object to be washed using a solution having solubility relative to both an aq...
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7156927 |
A method is provided for treating an object. In this method, a treating chemical is introduced to a bath under conditions effective to at least partially envelop the object to be treated in eddy currents of the bath liquid, followed by i...
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7067016 |
A method for post-etch cleaning of a substrate with MRAM structures and MJT structures and materials is disclosed. The method includes inserting the substrate into a first brush box configured for double-sided mechanical cleaning of the ...
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7052556 |
A process for removing paint from a plastic substrate that typically includes immersing and optionally agitating the painted plastic substrate in a first chemical fluid, removing the substrate from the first chemical fluid, typically imm...
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7052553 |
A non-destructive and simple method for cleaning a new or used electrostatic chuck comprises a wet cleaning process, which removes contaminants deposited on a surface of the electrostatic chuck.
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6991685 |
The invention relates to a method of low temperature cleaning and applying an antimicrobial treatment to food and beverage plant equipment. In addition, the method includes carbon dioxide compatible chemistry. The method may be achieved ...
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6953507 |
The invention relates to a method of low temperature cleaning and applying an antimicrobial treatment to food and beverage plant equipment. In addition, the method includes carbon dioxide compatible chemistry. The method may be achieved ...
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6936112 |
Disclosed is a novel process for cleaning and restoring the operating efficiency of organic liquid chemical exchangers in a safe and effective manner and in a very short period of time, without a need to disassemble the equipment and wit...
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6893509 |
Disclosed is a novel process for interior cleaning and by cleaning, removing noxious gas and/or restoring the operating efficiency of organically contaminated hydrocarbon processing equipment in a safe and effective manner and in a very ...
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6878215 |
A method of removing a virgin metal oxide coating from the surface of a superalloy gas turbine engine component. The component bearing the applied metal oxide coating is contacted with an aqueous coating-removal solution, typically conta...
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6872263 |
Disclosed is a novel process for interior cleaning and by cleaning, removing noxious gas and/or restoring the operating efficiency of organically contaminated hydrocarbon processing dynamic devices in a safe and effective manner and in a...
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6855210 |
A composition and method for stripping and cleaning organic coatings from substrates, comprising a solution of high-boiling alcohols, preferably polyglycols, a surfactant, preferably a nonylphenol ethoxylate, and an alkali metal hydroxid...
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6843856 |
Aqueous cleaning agent and its use in a process for cleaning ultrafiltration membranes in ultrafiltration units of electro-dipcoating plants, which cleaning agent contains electro-dipcoating lacquer (EDL) binders overneutalized with neut...
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6834656 |
A process for removing polymers formed during etching and etch residues from a semiconductor substrate by exposing the substrate to plasmas of neutral chemistry. The plasma generates atomic hydrogen species and atomic oxygen species in a...
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6833032 |
An automatic deliming process for a steam oven cooker is described. The process initiates a deliming procedure after a predetermined time of normal operation, which period of time is determined by the hardness of the water in the local a...
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6821352 |
A composition for removing etching residue and a method using same are disclosed herein. In one aspect, there is provided a method for removing etching residue from a substrate comprising: contacting the substrate with a composition comp...
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6814816 |
The invention provides method for the evaluation of washing or cleaning techniques on a substrate comprising: i. applying a selective indicator system on the substrate to be evaluated; ii. washing the substrate with water and/or deterge...
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6797074 |
A method and apparatus is provided for removing material from the edge of a disk. In one embodiment, the edge of the disk is contacted with etchant via an etchant containing swab or trough (which may contain one or more transducers) and ...
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6793740 |
The present invention relates to a method for cleaning a pressurized container having at least one chemical contained therein. The pressurized container may be any type of container able to store chemicals under pressure. Preferably, how...
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6770150 |
Alkaline and acid cleaning solutions ( 180, 182 ), are used sequentially for removing organic and inorganic residues, respectively, from the chamber. The two cleaning solutions are stored in separate storage containers ( 52, 54 ) carried...
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6706121 |
In a method of treating substrates a treatment fluid is fed into a collection vessel after treatment, at least a portion of the treatment fluid is withdrawn from the collection vessel and returned to respective reservoir and the collecti...
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6660100 |
In a process for removing the paint from plastic components provided with coats of paint, the plastic components are first crushed to a bulk material size of the crushed plastic pieces. The plastic pieces are subsequently mixed with a pa...
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6648983 |
A process of cleaning an enamel surface with a liquid acidic composition comprising an enamel safe buffering system, wherein said buffering system comprises a salt having an anion selected from the group consisting of hydroxide and carbo...
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6638365 |
A method of preparing a silicon surface for a subsequent processing said such as thermal oxidation, or metal silicide formation, via use of a novel wet chemical clean procedure, has been developed. The novel wet chemical clean procedure ...
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6635118 |
This invention relates to water-based alkaline cleaning solutions and their use as an environmentally safer replacement of organic solvents to remove photoresist, polyimide residue and other interlevel dielectric polymer coating residue ...
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6632291 |
The present invention relates to methods for cleaning, rinsing, and/or antimicrobial treatment of medical carts, medical cages, and other medical instruments, devices or equipment. The method for cleaning employs a solid alkaline, for ex...
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6632289 |
A to-be-cleaned substrate is cleaned by use of an acid liquid agent in a cleaning cup, the remaining acid liquid agent is washed out by use of pure water, then an alkaline liquid agent is emitted to the surface of the to-be-cleaned subst...
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6627001 |
A semiconductor wafer cleaning method is provided. After cleaning the wafer with a chemical cleaning solution, the wafer is placed in a cleansing tank that fills with deionized water. A neutralizer is then added to the cleansing tank. Th...
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6623564 |
The present invention relates to a method of removing a layer of material from a synthetic resin or an organic acid ester of cellulose comprising: washing the layer from the substrate with an aqueous alkali solution with a temperature of...
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6599461 |
The invention relates to a method of manufacturing non-slip floor coverings made of mineral materials, such as, for example, natural stone, fine stoneware, artificial stone or ceramics. This method is carried out in a two-stage process, ...
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6582524 |
A method including the consecutive steps of: dipping a wafer in a washing solution in a washing chamber; replacing the washing solution by a first chemical solution in the washing chamber receiving therein the wafer, the first chemical s...
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6579380 |
A method of removing graphite from metal molds used in the glass fabrication industry, the method including placing a metal glass-fabricating mold with graphite bonded thereto in a chamber, providing an oxygen rich mixture of combustible...
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6562145 |
A cleaning unit (A) includes a movable cart ( 20 ) which carries a cleaning system for cleaning baked-on residues from walls ( 10 ) of a sterilizer chamber ( 12 ). Alkaline and acid cleaning solutions ( 180, 182 ), for removing organic a...
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