This specification covers the requirements for preparation of aluminum and aluminum alloys for soldering by zinc immersion pre-treatment followed by copper plating and tin or tin-zinc alloy plating. AMS2420E results from a Five-Year Review and update, with changes made to Ordering Information and paragraphs 4.2.1, 4.2.2, 4.2.3, 4.3.1.1, 4.3.2, and 4.3.4.1. ORDERING INFORMATION: The following information shall be provided to the plating processor by the purchaser. 1) Purchase order shall specify not less than the following: AMS2420E Quantity of pieces to be plated Permissible electrical contact locations, if not specified (see 3.2.2.1) Class of plating desired (see 1.3) Plating thickness desired if other than that specified in 3.3.1 Basis metal to be plated Reflow, when necessary (see 3.2.4) 2) Parts manufacturing operations such as heat treating, forming, joining and media finishing can affect the condition of the substrate for plating, or if performed after plating, could adversely affect the plated part. The sequencing of these types of operations should be specified by the cognizant engineering organization and is not controlled by this specification.
Plating of Aluminum for Solderability Zinc Immersion Pre-Treatment Process
2017-11-03
Aufsatz (Konferenz)
Englisch
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