Abstract: A semiconductor device and a method of making the semiconductor device are disclosed. The semiconductor device includes a substrate having at least one gate electrode, the gate electrode having lateral walls and edges. Spacers are formed on the lateral walls of the gate electrode, and active areas are formed inside the substrate at the edges of the gate electrode. A DRAM cell forming part is disposed on a portion of the substrate, and includes at least one gate electrode and an active area, and a logic forming part is disposed on another portion of the substrate, and includes at least one gate electrode and an active area. The device further includes a silicide blocking layer disposed at the active area of the DRAM cell forming part, and a silicide layer formed on at least one gate electrode of the DRAM cell forming part, and on a gate electrode and the active area of the logic forming part.

Abstract: A method and apparatus for maintaining an artificial aquatic environment for supporting aquatic organisms comprises forming a water tank with a water drain outlet located on a bottom of the water tank, providing a water filter means adjacent a water fill line of the water tank, the water filter means having a water containment housing with a water inlet and a water outlet, the water containment housing extending above and below the water line of the water tank, the water inlet being positioned higher than the water outlet, the water inlet being positioned at or below the water fill line of the water tank, a filter element removably positioned between the water inlet and the water outlet within the water containment housing, connecting the water drain outlet to the water filter means with a water drain conduit means such that the water filter means and the water tank have a common water line when the water tank is filled with water to the water fill line, providing a pumping means to pump water from the water