A graded-channel semiconductor device (10) is formed in a pedestal (12). The pedestal (12) is formed on a substrate (11) and improves the electrical characteristics of the device (10) compared to conventional device structures. The pedestal (12) has sides (13) that are bordered by a first dielectric...http://www.google.com/patents/US6033231?utm_source=gb-gplus-sharePatent US6033231 - Semiconductor device having a pedestal and method of forming
