Provided are an apparatus and method for eliminating noise. A substrate with a conductive part thereon is provided, a first porous low-k layer is formed on the substrate, and then a first UV-curing step is conducted. A pair of rails are mounted on opposite side walls of the vehicle in a position to support the panels. The phase-changeable memory element includes a second phase-changeable pattern electrically coupled to the terminal of the phase-changeable diode and a memory switching layer pattern on the second phase-changeable pattern.