Patent ID: 7799670
Filing Date: 2010-09-21
Classification: H01L

Abstract:
1. A method of fabricating a non-volatile charge trap memory device, comprising: forming a first dielectric layer on a substrate to form a tunneling layer of the non-volatile charge trap memory device; forming, on the tunneling layer, a second dielectric layer as a charge trapping layer of the non-volatile charge trap memory device; and oxidizing a portion of the charge trapping layer with a low temperature process to form a blocking layer of the non-volatile charge trap memory device, wherein the low temperature oxidation process further comprises: holding the substrate on a susceptor, the susceptor heated to temperature of between of between 300° C. and 400° C.; exposing the charge trapping layer to a plasma; introducing a gas mixture including hydrogen H energizing the gas mixture under chamber pressure between approximately 1 mT and approximately 50 mT with an RF power source to form the plasma.