The method 19 wherein the electron emission substrate comprises a conductive extraction grid formed outwardly of and spaced from the projecting emitters, the deposit occurring after {HEAD ~ formation} of {TAIL ~ the extraction grid} 
The method 19 wherein the electron emission substrate comprises a conductive extraction grid formed outwardly of and spaced from the projecting emitters , the deposit occurring after { HEAD ~ formation } of { TAIL ~ the extraction grid }
OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 TAIL