Hard Disk Thermal Fly Height Control.
Hard Disk drive read write performance is greatly improved by controlling and maintaining a precise distance between the read write head slider and the surface of the rotating platters. Hitachi has patented specific control and head design that achieves improved operational integrity and efficiency of the drive technology This patented technology is called Thermal Fly Height Control.
Hard Disk Load and Unload Ramp Technology.
Hitachi pioneered the use of load and unload hard disk drive technology. Prior to the introduction of this technology hard drive read write head sliders parked on the surface of the platters. This Contact Start Stop (CSS) method adversely affected the operational life cycle of hard disk drives and their reliability and notably contributed to a common hard drive failure condition called stiction. Stiction being the result of two polished surfaces coming into contact and sticking together. The effects of hard drive failure due to this condition can be difficult to remove. Load and unload technology is effectively the introduction of a read write head parking ramp securing the heads away from the surface of the platters when not in use.
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