Patent ID: 7109124
Filing Date: 2006-09-19
Classification: H01Q

Abstract:
1. A method of forming a solid state plasma antenna, the method comprising: (a) selecting a semiconductor wafer, (b) subjecting surfaces of the wafer to thermal oxidation, (c) subjecting the wafer to stabilization in a gas mixture incorporating a minor proportion of oxygen at a temperature above 800° C. to improve the stoichiometry at a silicon/silica interface, (d) performing a low-temperature bake in a gas mixture including hydrogen at a temperature above 300° C. to reduce interface state density; (e) and then localizing regions of the wafer in which plasma may be generated by reticulation to form a network of isolated regions with high minority carrier lifetime, by: (e1) partially or fully cutting through the wafer, (e2) optionally making local deposition and diffusion or implantation of a dopant, and (e3) optionally making implantation of hydrogen, helium or gold ions.