FIG 2 to FIG 4 are schematic diagrams of the method of forming {HEAD ~ a polyimide isolating wall} 36 with {TAIL ~ a reverse trapezoid cross section} according to the present invention 
with
FIG 2 to FIG 4 are schematic diagrams of the method of forming { HEAD ~ a polyimide isolating wall } 36 with { TAIL ~ a reverse trapezoid cross section } according to the present invention
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH