Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Dietterle0
Gernot Strube0
Manfred Jordan0
Date of Patent
February 20, 2007
Patent Application Number
10380842
Date Filed
September 20, 2001
Patent Primary Examiner
Patent abstract
The invention relates to an acid electrolyte for depositing tin-copper alloys. Said electrolyte comprises one or more alkylsulfonic acids and/or alkanolsulfonic acids, one or more soluble tin(II) salts, one or more soluble copper(II) salts, and one or more organic sulfur compounds having one or more thioether functions and/or ether functions of general formula —R—Z—R′—(R and R′ are the same or different non-aromatic organic radicals, and Z represents S or O). The invention also relates to a method, which involves the use of the electrolyte, to the coating obtained using said method, and to the use of the electrolyte for coating electronic components.
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