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:
Aug. 25, 2009
Filed:
Oct. 30, 2006
Applicants:
Mark Peter Schildmann, Solingen, DE;
Ulrich Prinz, Solingen, DE;
Andreas Königshofen, Leverkusen, DE;
Inventors:
Mark Peter Schildmann, Solingen, DE;
Ulrich Prinz, Solingen, DE;
Andreas Königshofen, Leverkusen, DE;
Assignee:
Enthone Inc., West Haven, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/302 (2006.01);
U.S. Cl.
CPC ...
Abstract
An etching composition for non-conductive substrates such as polyester, polyether, polyimide, polyurethane, epoxy resin, polysulfone, polyethersulfone, polyetherimide, and polyamide, comprising a halogenide and/or nitrate of a metal selected from the group consisting of Na, Mg, Al, Si, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Ca, Zn, and combinations thereof such as FeCl, FeCl, TiCl, CaCl, CuCl, CrCl, ZnCl, MgCl, MnCl, and Cr(NO); and a related method for etching.