A method for fabricating a self-aligned bipolar transistor, wherein a substrate having an epitaxial layer formed thereon as a base is provided. Further, a suction pipe capable of sucking the liquid reducing agent from the inside of the container body is connected to the strainer, and a supply port for the liquid reducing agent from which the foreign substances are filtrated is formed in the strainer. That is, each write cache stores packets corresponding to an egress queue in the system. The media server creates the UI to include components related to the media content rendered by the media player.