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