Magnetic recording medium having {HEAD ~ a lubricant layer} comprising ionically interbonded {TAIL ~ fluoropolyethers} with acidic and basic terminal groups 
comprising ionically interbonded
Magnetic recording medium having { HEAD ~ a lubricant layer } comprising ionically interbonded { TAIL ~ fluoropolyethers } with acidic and basic terminal groups
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH