Using this precursor solution formulation enables formation of {HEAD ~ a film} having {TAIL ~ a dielectric constant} less than 2.5, appropriate mechanical properties, and minimal levels of alkali metal impurities 
Using this precursor solution formulation enables formation of { HEAD ~ a film } having { TAIL ~ a dielectric constant } less than 2.5 , appropriate mechanical properties , and minimal levels of alkali metal impurities
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH