Patent 7319047 was granted and assigned to Intel on January, 2008 by the United States Patent and Trademark Office.
A polymer well may be formed over a thermal oxide formed over a semiconductor substrate in one embodiment. The well may include a waveguide and a pair of heaters adjacent the waveguide. Each heater may be mounted on a platform of insulating material to reduce heat loss through the substrate and the thermal oxide, in one embodiment.