. . . . . . . "In one embodiment, the dielectric spacers 305 is a gel or paste that contains particles that contain a material, such as silicon nitride (SiN), silicon oxynitride (SiON), titanium oxide (TiO2), magnesium oxide (MgO), barium oxide (BaO), silicon dioxide (SiO2), silicon carbide (SixCy), or other high temperature stable dielectric materials or combinations thereof." . .