Typical chemicalmechanicalpolishing (CMP) ofcopperlayersonsemiconductordevicesinvolvesusingahardpadinthe firststep and a softpad for thebarrierlayer removal step.
The bright yellow, fully Sprint-ified UI theme is an acquired taste, the reversed direction of the QWERTY slide takes a little getting used to, and we found the soft buttons by the d-pad just a little hard to single out.