A blender includes a container having a plurality of substantially triangular shaped ribs projecting into a processing zone of the container. The first and second recording devices respectively stores therein first and second computer programs used for vehicle navigation. The substrate is etched using a first non-plasma etch process that etches the first material at a higher rate relative to a rate of etching the second material. The stacked chip system may include the first and second chips, the bonding layer between the interconnect structure of the first chip and the second chip, and the fill shape structure.