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