Globalfoundries Inc.

Nitin Jadhav

Charles Leon Arvin

Mark S Chace

Qin Yuan

Janine L Protzman

A tin-based solder melt or aqueous tin plating bath composition comprising a source of tin and a stabilizing additive of chemical structure: wherein R, R, R, R, R, R, R, R, R, and Rare independently selected from hydrogen atom, hydrocarbon groups R having at least one and up to twelve carbon atoms, groups OR' wherein R&#x2032; is selected from hydrogen atom and hydrocarbon groups R, and halogen atoms, and wherein any two, three, or four of R, R, R, R, and Ror any two, three, or four of R, R, R, R, and Rare optionally interconnected to form a fused ring system; Rand Rare independently selected from hydrogen atom and hydrocarbon groups R; and r is either 0 or 1. Methods for coating and/or bonding metal substrates by use of the above-described solder compositions are also described.

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Wappingers Fall, NY, United States of America

Nitin Jadhav