An apparatus for managing incremental storage includes a storage pool management module that allocates storage volumes to a virtual volume. The image drawing section has a preset three-dimensional model image to draw a three-dimensional image on the basis of the three-dimensional model image and a first processing parameter. First and second angles of intersection of the ball tracks of a pair of tracks are identical in size and are positioned symmetrically relative to the joint axis. According to the present invention, a dielectric ceramic composition can be provided which is available to be sintered at low temperature while comparatively decreasing contents of a glass component, which shows good properties, and which is available to perform cofiring different materials. The posts are connected to the base plate via multiple insulation rings, and each of the insulation rings is electrically resistive and thermally conductive. The metal containment wall includes a cavity, and the solder terminal contacts the metal containment wall in the cavity and is spaced from the routing line.