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Class Information
Number: 134/3
Name: Cleaning and liquid contact with solids > Processes > For metallic, siliceous, or calcareous basework, including chemical bleaching, oxidation or reduction > Including acidic agent
Description: Processes which include treating the work with a substance having an acid reaction.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619301 |
GaAs semiconductor substrate and fabrication method thereof |
Nov. 17, 2009 |
| 7611588 |
Methods and compositions for removing metal oxides |
Nov. 3, 2009 |
| 7601227 |
High purification method of jig for semiconductor heat treatment |
Oct. 13, 2009 |
| 7597765 |
Post etch wafer surface cleaning with liquid meniscus |
Oct. 6, 2009 |
| 7591955 |
Method for forming an etched soft edge metal foil and the product thereof |
Sep. 22, 2009 |
| 7578889 |
Methodology for cleaning of surface metal contamination from electrode assemblies |
Aug. 25, 2009 |
| 7575694 |
Method of selectively stripping a metallic coating |
Aug. 18, 2009 |
| 7563377 |
Method for removing iron deposits in a water system |
Jul. 21, 2009 |
| 7562662 |
Cleaning solution and cleaning method of a semiconductor device |
Jul. 21, 2009 |
| 7553803 |
Enhancement of silicon-containing particulate material removal using supercritical fluid-based compositions |
Jun. 30, 2009 |
| 7541094 |
Firepolished quartz parts for use in semiconductor processing |
Jun. 2, 2009 |
| 7531492 |
Composition for the removal of sidewall residues |
May. 12, 2009 |
| 7531047 |
Method of removing residue from a substrate after a DRIE process |
May. 12, 2009 |
| 7531043 |
Magnetic disk substrate and production method of magnetic disk |
May. 12, 2009 |
| 7524801 |
Process for removing contaminant from a surface and composition useful therefor |
Apr. 28, 2009 |
| 7521405 |
Process solutions containing surfactants |
Apr. 21, 2009 |
| 7507323 |
Self-cleaning chlorine generator with pH control |
Mar. 24, 2009 |
| 7507300 |
Method and apparatus for cleaning a photoactive and/or hydrophilic surface |
Mar. 24, 2009 |
| 7503982 |
Method for cleaning semiconductor substrate |
Mar. 17, 2009 |
| 7494597 |
Method and apparatus for etching disk-like member |
Feb. 24, 2009 |
| 7470330 |
Method for dissolving oilfield scale |
Dec. 30, 2008 |
| 7468106 |
Removal of niobium second phase particle deposits from pickled zirconium-niobium alloys |
Dec. 23, 2008 |
| 7462249 |
Surface treatment process for metal articles |
Dec. 9, 2008 |
| 7462248 |
Method and system for cleaning a photomask |
Dec. 9, 2008 |
| 7452475 |
Cleaning process and apparatus for silicate materials |
Nov. 18, 2008 |
| 7452426 |
Process solutions containing surfactants used as post-chemical mechanical planarization treatment |
Nov. 18, 2008 |
| 7448397 |
Apparatus for applying disparate etching solutions to interior and exterior surfaces |
Nov. 11, 2008 |
| 7435355 |
Liquid-based gravity-driven etching-stop technique for controlling structure dimension |
Oct. 14, 2008 |
| 7431860 |
Etching process |
Oct. 7, 2008 |
| 7431853 |
Selective etching of oxides from substrates |
Oct. 7, 2008 |
| 7422639 |
Method of reducing water spotting and oxide growth on a semiconductor structure |
Sep. 9, 2008 |
| 7419614 |
Method of etching and cleaning objects |
Sep. 2, 2008 |
| 7417016 |
Composition for the removing of sidewall residues |
Aug. 26, 2008 |
| 7416611 |
Process and apparatus for treating a workpiece with gases |
Aug. 26, 2008 |
| 7415983 |
Method of cleaning articles in a dish machine using an acidic detergent |
Aug. 26, 2008 |
| 7410902 |
Composition for cleaning semiconductor device |
Aug. 12, 2008 |
| 7404863 |
Methods of thinning a silicon wafer using HF and ozone |
Jul. 29, 2008 |
| 7402552 |
Non-corrosive cleaning composition for removing plasma etching residues |
Jul. 22, 2008 |
| 7402258 |
Methods of removing metal contaminants from a component for a plasma processing apparatus |
Jul. 22, 2008 |
| 7402213 |
Stripping and removal of organic-containing materials from electronic device substrate surfaces |
Jul. 22, 2008 |
| 7399365 |
Aqueous fluoride compositions for cleaning semiconductor devices |
Jul. 15, 2008 |
| 7396417 |
Method for removing laser scales |
Jul. 8, 2008 |
| 7387964 |
Copper polishing cleaning solution |
Jun. 17, 2008 |
| 7384901 |
Process for cleaning aluminum and aluminum alloy surfaces with nitric acid and chromic acid-free compositions |
Jun. 10, 2008 |
| 7377984 |
Method for cleaning a photomask |
May. 27, 2008 |
| 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 materia |
May. 6, 2008 |
| 7367343 |
Method of cleaning a surface of a cobalt-containing material, method of forming an opening to a cobalt-containing material, semiconductor processing method of forming an integrated circuit com |
May. 6, 2008 |
| 7364625 |
Rinsing processes and equipment |
Apr. 29, 2008 |
| 7351391 |
System and method for converting the spent remnants of a first pickling acid solution into a usable second pickling acid solution |
Apr. 1, 2008 |
| 7347951 |
Method of manufacturing electronic device |
Mar. 25, 2008 |
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