Other polyimides can be patterned by {TAIL ~ selective etching} of {HEAD ~ a conformal film} or by casting 
Other polyimides can be patterned by { TAIL ~ selective etching } of { HEAD ~ a conformal film } or by casting
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH