The present invention provides a color wheel including a motor and a color filter module. A support rack pivotally connected to the clamping device. At least one sliding window pane is positioned in the guide track and is positionable between a closed position and at least one open position. This contribution allows scientists to isolate and identify genes that are relevant to the prevention, causation, or treatment of human disease conditions. A method of controlling the shape of the edge of the channel region is to limit the supply of oxygen to the region at the edge of the channel region during the oxidation process when the side walls of the silicon island, in which the transistor will be formed, are initially covered with a layer of silicon oxide.