The photosensitive polyimide precursor of the invention has {HEAD ~ a viscosity} of {TAIL ~ 50 centipoises} or above as measured at 23° C. in the state of a 10% solution in N,N dimethylacetamide 
The photosensitive polyimide precursor of the invention has { HEAD ~ a viscosity } of { TAIL ~ 50 centipoises } or above as measured at 23 ° C. in the state of a 10 % solution in N , N dimethylacetamide
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL 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