A composition is disclosed that comprises a lubricant and at least a first antioxidant and a second antioxidant, the first antioxidant being a hindered phenolic and the second antioxidant being a thioether. The melt line that defines the surface of molten silicon in the crucible may be substantially at the lower end of the collar or slightly above it. By designing the feed network as a hierarchical distribution network of transmission lines of particular lengths selected to maximize impedance, signal reflections may be reduced and bandwidth of the antenna system may be improved. The silicon oxide film is deposited over the substrate with a halogen concentration less than 1. The second lead lines are electrically connected to the pixel array and the driving device, and located in the trenches of the first insulating layer.