An optical disk of the type rotated by a spindle positioned in a centrally-located
hole, and including a disk body including an annular data area, and a centrally-located,
integrally-formed annular web positioned radially inward from the annular data
area and covering a hole formed in the disk body. The annular web is formed sufficiently
thin to be deflected upwardly out of the plane of the disk body by the spindle
during placement on the spindle and during rotation. The web may be broken away
from the disk, or made sufficiently thin and resilient that it will deform upwardly
when placed on the spindle and resume its former position when removed.
