Disclosed is a system for driving a boom of a hybrid excavator, and a method for controlling the same. At least a portion of the epitaxial layer is grown using an epitaxial lateral overgrowth technique. The insurance policy is structured such that a portion of a premium for the insurance policy is directed towards non-term coverage that results in some accumulation of cash balance in the insurance policy, and a portion of the premium for the insurance policy is directed towards term coverage. The heat sinks are lined up with equally spaced distance.