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