{TAIL ~ A magnetic recording medium} 2, wherein said magnetic recording medium records and reproduces signals in the range of the wavelength of {HEAD ~ 1 μm} or shorter 
{ TAIL ~ A magnetic recording medium } 2 , wherein said magnetic recording medium records and reproduces signals in the range of the wavelength of { HEAD ~ 1 μm } or shorter
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH