Embodiments of the present invention relate to disk drives and {HEAD ~ a method} of re injecting {TAIL ~ low density gas} in a hermetically sealed disk enclosure of a disk drive 
of re injecting
Embodiments of the present invention relate to disk drives and { HEAD ~ a method } of re injecting { TAIL ~ low density gas } in a hermetically sealed disk enclosure of a disk drive
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH