摘要 |
A method of electrically interconnecting a semiconductor chip to another electronic device including providing a carrier including contact pins and a chip attached to the carrier, the chip having a copper contact pad that faces away from the carrier, extending a copper electrical connector between the contact pins and the contact pad, and diffusion soldering the copper electrical connector to the active area with a solder material including tin to form a solder connection including a contiguous bronze coating disposed between and in direct contact with both the copper electrical connector and the contact pad. |