Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 25, 2009
Patent Application Number
11554100
Date Filed
October 30, 2006
Patent Primary Examiner
Patent 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 FeCl3, FeCl2, TiCl3, CaCl2, CuCl2, CrCl3, ZnCl2, MgCl2, MnCl2, and Cr(NO3)3; and a related method for etching.
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