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j813 · 04-21-2004, 07:19 AM

http://www.pcguide.com/ref/hdd/op/packAir-c.html

"As discussed in the section describing hard disk head flying height, the old myth about hard disk heads and platters being "in a sealed vacuum" or whatnot, is wrong in two ways: there's no vacuum in there, and the drive itself isn't sealed, at least not in the way most people believe. In fact, air is an essential component for proper drive operation. Regular hard disks aren't totally sealed from the outside air, but they definitely are separated from it, in order to ensure that the dirt and dust of the outside air is kept away from the delicate platters and heads of the drive."

04-21-2004, 07:19 AM	#37
j813 Cooling Savant Join Date: Mar 2003 Location: southeast asia Posts: 164	http://www.pcguide.com/ref/hdd/op/packAir-c.html "As discussed in the section describing hard disk head flying height, the old myth about hard disk heads and platters being "in a sealed vacuum" or whatnot, is wrong in two ways: there's no vacuum in there, and the drive itself isn't sealed, at least not in the way most people believe. In fact, air is an essential component for proper drive operation. Regular hard disks aren't totally sealed from the outside air, but they definitely are separated from it, in order to ensure that the dirt and dust of the outside air is kept away from the delicate platters and heads of the drive."