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7628866 |
Method of cleaning wafer after etching process
A method of cleaning a wafer after an etching process is provided. A substrate having an etching stop layer, a dielectric layer, a patterned metal hard mask sequentially formed thereon is provided....
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7618495 |
Method for pickling a work string using dispersed solvent-in-acid fluid design
A method for cleaning a work string which may have been used to inject drilling muds, cement slurries, cement displacement materials and the like into a well where the work strong may contain...
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7611588 |
Methods and compositions for removing metal oxides
The invention relates to methods and compositions for removing metal oxide soils from surfaces. The compositions include an anionic surfactant and a pH adjuster at an acidic pH. In one embodiment,...
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7601227 |
High purification method of jig for semiconductor heat treatment
A method for achieving high purity in a jig for semiconductor heat treatment includes subjecting a semiconductor heat treatment jig made of a substrate having a surface covered with a silicon...
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7597766 |
Biodegradable detergent concentrate for medical instruments and equipment
An aqueous, concentrated neutral detergent composition for use in cleaning medical instruments and metal components (parts, tools, utensils, vessels, equipment, and surfaces) having scale control...
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7588646 |
Cleaning compositions containing an alkyl ester and methods of using same
The invention is generally related to cleaning compositions and methods of using same. More particularly, the invention is related to cleaning compositions which are substantially free of volatile...
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7578889 |
Methodology for cleaning of surface metal contamination from electrode assemblies
Systematic and effective methodology to clean capacitively coupled plasma reactor electrodes and reduce surface roughness so that the cleaned electrodes meet surface contamination specifications...
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7578888 |
Method for treating laser-structured plastic surfaces
The present invention relates to a method for treating plastic substrates structured by means of a laser or generation of seed structures on the surface that are suitable for subsequent...
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7579309 |
Methods for characterizing defects on silicon surfaces and etching composition and treatment process therefor
The present invention relates to a method for characterizing defects on silicon surfaces, such as silicon wafers, a method for treating silicon surfaces with an etching solution, and an etching...
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7556654 |
Methods for cleaning materials
Methods are disclosed for cleaning a material by applying a cleaning composition having one or more biosurfactants and one or more enzymes to the material. During use, the material is agitated with...
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7553803 |
Enhancement of silicon-containing particulate material removal using supercritical fluid-based compositions
A method and composition for removing silicon-containing particulate material, such as silicon nitrides and silicon oxides, from patterned Si/SiO 2 semiconductor wafer surfaces is described. The...
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7540926 |
Method of cleaning contaminated surfaces
A method for cleaning contaminated surfaces of surgical waste management equipment. The method includes rinsing surfaces of the equipment with water to remove water soluble contaminants and waste...
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7533677 |
Cleaning composition comprising a branched ester and an organic solute
A cleaning composition which may be a stainless steel cleaning composition comprising a branched ester and an organic solute. The use and a method of using the cleaning composition is also included...
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7531047 |
Method of removing residue from a substrate after a DRIE process
The present disclosure provides a method of cleaning a semiconductor substrate after a DRIE etch process, wherein residue from the DRIE process is removed without damaging the substrate. The...
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7531048 |
On-wing combustor cleaning using direct insertion nozzle, wash agent, and procedure
A cleaning method for a combustor comprises positioning a spray portion of a nozzle through an igniter plug boss and spraying an acid solution inside the combustion chamber. The acid solution...
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7514493 |
Strippable containment and decontamination coating composition and method of use
A method for containing at least a portion of radioisotopes, radionuclides, heavy metal or combination thereof contaminating a substrate wherein a containment composition is applied to the...
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7513260 |
In-situ continuous coke deposit removal by catalytic steam gasification
A coke removal system removes coke deposits from the walls of a high temperature passage in which hydrocarbon fuel is present. The system includes a carbon-steam gasification catalyst and a water...
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7501026 |
Liquid hard surface cleaning composition
The present invention relates to a process of cleaning a hard surface, said process comprising the step of applying a liquid hard surface cleaner composition onto said hard surface in the form of a...
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7494966 |
Alkoxylates that are stable in alkalis
A description is given of an alkanol-free alkoxylate of the general formula (I)
C n H 2n+1 O(A) x (B) y R (I)
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7470330 |
Method for dissolving oilfield scale
A method of removing metal scale from surfaces that includes contacting the surfaces with a first aqueous solution of a chelating agent, allowing the chelating agent to dissolve the metal scale,...
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7468106 |
Removal of niobium second phase particle deposits from pickled zirconium-niobium alloys
The present invention provides a method for removing niobium-rich second-phase-particle (SPP) deposits from zirconium-niobium alloy components. The method comprises washing a freshly pickled and...
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7462248 |
Method and system for cleaning a photomask
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...
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7462249 |
Surface treatment process for metal articles
A surface treatment process for a metal article includes the following steps. Firstly, a metal article, made of at least one of copper and an alloy thereof, is provided. Secondly, a surface of the...
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7459005 |
Chemical composition and method
The invention relates to an aqueous solution consisting essentially of:
(a) hydrogen peroxide; (b) at least one compound selected from the group consisting of complexing agents based on phosphonic...
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7419552 |
C10-alkanol alkoxylates and the use thereof
Alkoxylates of the formula (I)
C 5 H 11 CH(C 3 H 7 )CH 2 O(A) n (CH 2 CH 2 O) m H (I)
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7416611 |
Process and apparatus for treating a workpiece with gases
In a method and apparatus for cleaning or processing a workpiece, a process gas is brought into contact with the workpiece by diffusion through a heated liquid layer on the workpiece, and by bulk...
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7410544 |
Method for cleaning electroless process tank
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...
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7396417 |
Method for removing laser scales
A degreasing method for descaling or removing laser scales from iron-containing metal part surface by treating the iron-containing metal part surfaces that is optionally tainted with laser scales...
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7387130 |
Cleaning solutions including nucleophilic amine compound having reduction and oxidation potentials
A composition for removing resists and etching residue from substrates containing at least one nucleophilic amine compound having oxidation and reduction potentials, at least one organic solvent,...
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7384901 |
Process for cleaning aluminum and aluminum alloy surfaces with nitric acid and chromic acid-free compositions
A process for cleaning (e.g., desmutting) an aluminum surface, using compositions free of nitric acid and chromic acid and comprising, in one embodiment, an oxidant and at least one mineral acid...
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7377984 |
Method for cleaning a photomask
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...
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7368019 |
Method for preventing elution of lead and/or nickel from copper alloy piping material such as valve or pipe joint and copper alloy piping material, and fluid for use in cleaning piping material
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...
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7364625 |
Rinsing processes and equipment
Described are methods of rinsing and processing devices such as semiconductor wafers wherein the device is rinsed with using a surface tension reducing agent; the method may include a subsequent...
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7351295 |
Cleaning and polishing rusted iron-containing surfaces
A method for cleaning and polishing a rusted iron-containing metal surface is disclosed. The metal surface is contacted with a composition containing fluorometallate anions of a Group IVB metal.
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7337788 |
Compositions useful for cleaning solvent-based paint from paint delivery installations
Uncured solvent-based paint may be flushed from a paint delivery installation using a substantially non-aqueous composition containing one or more organic solvents and a polymer having acid and/or...
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7300527 |
Method for activating surface of base material and apparatus thereof
A method for activating the surface of a base material and an apparatus thereof, which is suited to be utilized for pretreatment in electrochemical treatment such as, for example, electroplating or...
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7270764 |
Method for removing aluminide coating from metal substrate and turbine engine part so treated
A method for selectively removing an aluminide coating from at least one surface of a metal-based substrate by: (a) contacting the surface of the substrate with at least one stripping composition...
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7261780 |
Ceramic susceptor and a method of cleaning the same
An object of the present invention is to provide a ceramic susceptor for considerably reducing the count number of metal atoms on the surface of a semiconductor after the semiconductor is treated,...
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7251959 |
Washwater neutralization system for glass forming line
A neutralization system for controlling the pH of the washwater used to clean and maintain polyacrylic bound glass forming equipment. The neutralization system introduces a base solution to a...
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7252718 |
Forming a passivating aluminum fluoride layer and removing same for use in semiconductor manufacture
A composition for the cleaning of residues from substrates can contain from about 0.01 percent by weight to about 5 percent by weight of one or more fluoride compounds, from about 20 percent by...
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7252096 |
Methods of simultaneously cleaning and disinfecting industrial water systems
On-Line and Off-Line methods of simultaneously cleaning and disinfecting an industrial water system are described and claimed. The methods involve the addition to the water of the industrial water...
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7250085 |
Method of wet cleaning a surface, especially of a material of the silicon-germanium type
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...
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7247208 |
Microelectronic cleaning compositions containing ammonia-free fluoride salts
Ammonia-free, HF-free cleaning compositions for cleaning photoresist and plasma ash residues from microelectronic substrates, and particularly to such cleaning compositions useful with and having...
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7232528 |
Surface treatment agent for copper and copper alloy
The surface treatment agent for copper and copper alloys contains hydrogen peroxide, a mineral acid, an azole compound, silver ion and a halide ion. The surface treatment agent for copper and...
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7228865 |
FRAM capacitor stack clean
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...
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7229506 |
Process for pickling martensitic or ferritic stainless steel
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...
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7226897 |
Water soluble barrier film conformal coating composition
A composition having a first nonionic nonylphenol surfactant having an HLB value ranging from about 10 to about 15, a second nonionic nonylphenol surfactant having an HLB value ranging from about...
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7226898 |
Use of low foam percarboxylic acid based products containing surfactants for cip-disinfection
The use of an agent containing surfactant components chosen from sulfonic acids or sulfonates, alkylamine oxides, ethercarboxylic acids, and alkylether sulfates, in total amounts of 0.01 to 1 wt....
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7214276 |
Ether carboxylic acids based on alkoxylated styrylphenols
The invention relates to compounds of the formula (1)
in which
A is C 2 - to C 4 -alkylene, B is C 1 - to C 4 -alkylene, x is a number from 1 to 3, and y is a number from 1 to 100.
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7208049 |
Process solutions containing surfactants used as post-chemical mechanical planarization treatment
Process solutions comprising one or more surfactants are used to reduce the number of defects in the manufacture of semiconductor devices. In certain preferred embodiments, the process solution of...
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