C23F 1/34

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9932678 Microetching solution for copper, replenishment solution therefor and method for production of wiring boardAug 01, 16Apr 03, 18Mec Company Ltd.
9797048 Stripping solution for zinc/nickel alloy plating from metal substrateMar 31, 15Oct 24, 17THE BOEING COMPANY
9790600 Etching agent for copper or copper alloyNov 02, 15Oct 17, 17ENTEGRIS, INC.
9580818 Etching liquid for film of multilayer structure containing copper layer and molybdenum layerMay 27, 11Feb 28, 17MITSUBISHI GAS CHEMICAL COMPANY, INC.
9528188 Method of improving lifetime of etching liquid and yield in Cu-interconnection process and Cu-interconnection etching deviceFeb 09, 15Dec 27, 16SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
9447505 Wet etching methods for copper removal and planarization in semiconductor processingJun 04, 15Sep 20, 16NOVELLUS SYSTEMS, INC.
9441303 Microetching solution for copper, replenishment solution therefor and method for production of wiring boardMar 04, 13Sep 13, 16MEC COMPANY LTD.
9175404 Etching agent for copper or copper alloySep 28, 12Nov 03, 15ENTEGRIS, INC.
9074286 Wet etching methods for copper removal and planarization in semiconductor processingDec 21, 12Jul 07, 15NOVELLUS SYSTEMS, INC.
9074287 Reduced isotropic etchant material consumption and waste generationNov 06, 13Jul 07, 15NOVELLUS SYSTEMS, INC.
9012322 Selective etching of copper and copper-barrier materials by an aqueous base solution with fluoride additionApr 05, 13Apr 21, 15INTERMOLECULAR, INC.
8951612 Method for processing a surfaceOct 10, 13Feb 10, 15INTERNATIONAL BUSINESS MACHINES CORPORATION
8262769 Method of detinning Sn plating layer on Cu-based materialDec 10, 10Sep 11, 12DOWA METALTECH CO., LTD.
7189336 Etchant, method for roughening copper surface and method for producing printed wiring boardMar 21, 03Mar 13, 07EBARA DENSAN LTD.
6129858 Etching solutionAug 06, 90Oct 10, 00ELO-CHEM ATZTECHNIK GMBH
5468409 Copper etchant useful for making fine-line copper elementsNov 03, 93Nov 21, 95THE BOEING COMPANY
4222345 Vacuum coating apparatus with rotary motion assemblyNov 30, 78Sep 16, 80OPTICAL COATING LABORATORY, INC.
4190019 Vacuum metallizing interior of hollow article with masking shieldSep 14, 77Feb 26, 80Not available
4185585 Apparatus for simultaneously processing a plurality of substratesJun 06, 78Jan 29, 80RCA Corporation