A semiconductor memory device has a semiconductor substrate, and memory cells provided at intersections between word line conductors and bit line conductors. Adjacent two memory cells for each bit line conductor form a memory cell pair unit structure, in which first semiconductor regions of the transistors...http://www.google.de/patents/US6023084?utm_source=gb-gplus-sharePatent US6023084 - Semiconductor integrated circuit device including a memory device having memory cells with increased information storage capacitance and method of manufacturing same
