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:
Dec. 26, 2006
Filed:
Jul. 06, 2001
Uwe Hauf, Wendelstein, DE;
Harry Fuerhaupter, Bellefonte, PA (US);
Alexey Stiop, State College, PA (US);
Udo Grieser, Berlin, DE;
Uwe Hauf, Wendelstein, DE;
Harry Fuerhaupter, Bellefonte, PA (US);
Alexey Stiop, State College, PA (US);
Udo Grieser, Berlin, DE;
Atotech Deutschland GmbH, Berlin, DE;
Abstract
The present invention relates to a solution and to a method of treating copper surfaces, the copper surfaces being brought into contact with an acidic treatment liquid which contains hydrogen peroxide and at least one five-membered heterocyclic compound as well as additionally at least one microstructure modifying agent selected from the group comprising thioles A, disulfides B, sulfides C and thioamides D having the following respective general formulae: wherein Rand R=alkyl, alkenyl, aryl, aralkyl, especially benzyl, cycloalkyl and the derivatives thereof and R=R, R—O, R—S, amino or substituted amino, wherein Rand Rmay especially be phenyl or substituted phenyl.