In the second embodiment, outer and inner peripheral end edge portions of the reflective layer extend past {HEAD ~ the corresponding peripheral end edge portion} or portions of the recording layer, and the barrier layer adheres to the reflective layers extended {TAIL ~ peripheral edge region} 
In the second embodiment , outer and inner peripheral end edge portions of the reflective layer extend past { HEAD ~ the corresponding peripheral end edge portion } or portions of the recording layer , and the barrier layer adheres to the reflective layers extended { TAIL ~ peripheral edge region }
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 HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL