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