Copper metal gates and source/drain electrodes are provided, yielding TFTs of a quality comparable to {HEAD ~ TFTs} employing {TAIL ~ aluminum electrodes} and conductors 
employing
Copper metal gates and source / drain electrodes are provided , yielding TFTs of a quality comparable to { HEAD ~ TFTs } employing { TAIL ~ aluminum electrodes } and conductors
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH