The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 29, 2013
Filed:
Feb. 12, 2007
Boris Kuzmanovic, De Bilt, NL;
Cornelis Johannes Govardus Van Strien, Elst, NL;
Colin Eric Bartel, Apeldoorn, NL;
Michael Zeitler, Alfter, DE;
Johanna Christina Speelman, Warnsveld, NL;
Boris Kuzmanovic, De Bilt, NL;
Cornelis Johannes Govardus Van Strien, Elst, NL;
Colin Eric Bartel, Apeldoorn, NL;
Michael Zeitler, Alfter, DE;
Johanna Christina Speelman, Warnsveld, NL;
Akzo Nobel N.V., Arnhem, NL;
Abstract
The present invention relates to a method to electroplate or electropolish a metal on a substrate wherein an ionic liquid is selected from the group of NRRRRXor NRRRRYis employed as electrolyte, and a metal salt added to the ionic liquid is employed as the metal source or a metal anode is used as the metal source, wherein any one of Rto Rindependently represents a hydrogen, alkyl, cycloalkyl, aryl, or aralkyl group that may be substituted with a group selected from OH, Cl, Br, F, I, phenyl, NH, CN, NO, COOR, CHO, COR, or OR, at least one of Rto Ris a fatty alkyl chain, and one or more of Rto Rcan be a (poly)oxyalkylene group wherein the alkylene is a Cto Calkylene and the total number of oxyalkylene units can be from 1 to 50 oxyalkylene units, and at least one of Rto Ris a Cto Calkyl chain, Ris an alkyl or cycloalkyl group, X− is an anion having an N-acyl sulphonylimide anion (—CO—N—SO—) functionality, Yis an anion compatible with the NRRRRammonium cation, such as a halogenide anion, a carboxylate anion, a sulphate (both organic and inorganic sulphate), sulphonate, carbonate, nitrate, nitrite, thiocyanate, hydroxide, or sulphonylimide anion.