{TAIL ~ A hard carbon film coated substrate} includes in stacked sequence a substrate, an intermediate layer, and {HEAD ~ a hard carbon film} 
{ TAIL ~ A hard carbon film coated substrate } includes in stacked sequence a substrate , an intermediate layer , and { HEAD ~ a hard carbon film }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD