US 11,949,178 B2
Function module for electrical applications
Michael Peter Ciaccio, Chelsea, MI (US); and Michael Weiss, Benediktbeuern (DE)
Assigned to GENTHERM GMBH, Odelzhausen (DE)
Filed by GENTHERM GMBH, Odelzhausen (DE)
Filed on Dec. 15, 2021, as Appl. No. 17/551,290.
Prior Publication US 2023/0187856 A1, Jun. 15, 2023
Int. Cl. H01R 12/70 (2011.01); H01R 12/68 (2011.01); H01R 43/02 (2006.01)
CPC H01R 12/68 (2013.01) [H01R 12/707 (2013.01); H01R 43/0256 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A function module for electrical applications, comprising:
a functional member having a piercing area with at least one aluminum conductor trace; and
an electrical connector having at least one piercing member, wherein the at least one piercing member is configured to pierce through the at least one aluminum conductor trace and to provide a form-fit connection between the functional member and the electrical connector within the piercing area;
wherein the functional member and the electrical connector are joined together within the piercing area by a solder connection, and
wherein the solder connection is based on a surface activation composition comprising: an aqueous solvent or a mixed aqueous solvent; and/or an organic amine; and/or a fatty acid; and/or a filler selected from a group consisting essentially of SN, Ag, Zn, Co, In, Sb, Bi, Au, Cd, A, Si, Ge, Co, Ni, P, Cr, Se, Te, oxides thereof or combinations thereof, in an amount less than 25% weight basis.