Patent ID: 9123714
Filing Date: 2015-09-01
Classification: H01L

Abstract:
1. A non-volatile memory system, comprising: a plurality of metal vias, each metal via electrically coupled to a drain region of one of a plurality of groups of non-volatile storage elements; a plurality of layer stack columns extending in a column direction over the plurality of metal vias, each layer stack column includes a metal nucleation line in contact with at least one of the plurality of metal vias, a metal bit line in contact with the metal nucleation line, and a cap line over the metal bit line, each layer stack column including sidewalls extending in the column direction; a low temperature dielectric liner extending along the sidewalls of the plurality of layer stack columns; a non-conformal cap layer overlying the plurality of layer stack columns; and a plurality of air gaps extending in the column direction between adjacent layer stack columns.