Since the crosslinking is stronger at {TAIL ~ the top} and the dissolution rate is quicker at the bottom, the developing process 22 forms the polyimide isolating wall 36 with {HEAD ~ a reverse trapezoid cross section} 
Since the crosslinking is stronger at { TAIL ~ the top } and the dissolution rate is quicker at the bottom , the developing process 22 forms the polyimide isolating wall 36 with { HEAD ~ a reverse trapezoid cross section }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL 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 HEAD HEAD HEAD HEAD