Patent ID: 11949178
Assignee: GENTHERM GMBH
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
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.