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:
Feb. 03, 2015
Filed:
Feb. 27, 2009
Christian Sparing, Berlin, DE;
Dirk Tews, Berlin, DE;
Norbert Luetzow, Berlin, DE;
Martin Thoms, Berlin, DE;
Christian Sparing, Berlin, DE;
Dirk Tews, Berlin, DE;
Norbert Luetzow, Berlin, DE;
Martin Thoms, Berlin, DE;
Atotech Deutschland GmbH, Berlin, DE;
Abstract
To achieve good adherence of a resist coating, more specifically a photo imageable resist coating, to a copper base while ensuring that the copper base being very thin is not compromised, a non-etching non-resist composition for the treatment of the copper base is provided, said composition comprising at least one adhesion agent selected from the group comprising (i) heterocyclic compounds comprising at least one thiol moiety and (ii) quaternary ammonium polymers having the following general chemical formula: {N(R)(R)—(CH)—N(H)—C(Y)—N(H)—(CH)—N(R)(R)—R}n X, with R, R, R, R, R, Y and Xbeing defined as claimed.