There is provided in embodiments a coating for an ink jet printhead front face, wherein the coating comprises a structured organic film comprising a plurality of segments, {HEAD ~ a plurality} of {TAIL ~ linkers} arranged as a covalent organic framework  
of
There is provided in embodiments a coating for an ink jet printhead front face , wherein the coating comprises a structured organic film comprising a plurality of segments , { HEAD ~ a plurality } of { TAIL ~ linkers } arranged as a covalent organic framework
OTH OTH OTH OTH OTH OTH OTH OTH 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 REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH