C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 5/10 (2006.01) H05K 3/38 (2006.01)
Patent
CA 2070047
GOUL-FL-147-200 Title: METAL FOIL WITH IMPROVED PEEL STRENGTH AND METHOD FOR MAKING SAID FOIL ABSTRACT OF THE DISCLOSURE A metallic foil with improved peel strength is disclosed which has on a surface thereof two superimposed electrodeposited layers, the first layer adjacent to said surface comprising a dusty dendritic deposit comprising a major amount of a first metal and the second layer compris- ing a metal flash uniformly deposited over said first layer comprising a major amount of a second metal other than said first metal. A method for making such foil is disclosed which comprises (A) electrodepositing a first metal on one surface of said foil to produce a dusty dendritic metal deposit and (B) electrodepositing on the dendritic deposit of (A) a uniform metal flash. The improved foil is useful for a wide range of applications that benefit from the improved bonding to substrates, including electronic appli- cations such as laminated electronic devices, such as printed circuit boards, and solid state switches.
Sadey Richard J.
Zatt Dennis M.
Gould Inc.
Gould Electronics Inc.
Ridout & Maybee Llp
Sadey Richard J.
Zatt Dennis M.
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