Patent ID: 7929341

Claim:
A memory device comprising: a first memory cell having a first word line and a first storage node that stores a first charge; a second memory cell having a second word line and a second storage node that stores a second charge; a bit line having a first portion formed in the first memory cell and a second portion formed in the second memory cell; and a beam line formed having a first portion in the first memory cell and a second portion formed in the second memory cell, the beam line is electrically connected to the bit line, wherein an end of the first portion of the beam line moves to connect to the first storage node when the first word line is energized, and an end of the second portion of the beam line moves to connect to the second storage node when the second word line is energized, wherein the first storage node and the first word line are disposed between the beam line and the bit line, wherein the bit line and the beam line are connected through a contact plug, and wherein a center of the beam line is anchored on the contact plug.