The optical information recording medium 1, wherein the maximum length of the partial region of the outer peripheral portions in {HEAD ~ the radial direction} is {TAIL ~ 0.4 to 2 mm} 
The optical information recording medium 1 , wherein the maximum length of the partial region of the outer peripheral portions in { HEAD ~ the radial direction } is { TAIL ~ 0.4 to 2 mm }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL