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Flying height

The flying height or floating height or head gap is the distance between the disk read/write head on a hard disk drive and the platter. The first commercial hard-disk drive, the IBM 305 RAMAC (1956), used forced air to maintain a 0.002 inch (51 μm) between the head and disk. The IBM 1301, introduced in 1961, was the first disk drive in which the head was…

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Flying height

Nodes10
Edges9
Triples0
Avg. degree1.8
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head drives disk drive air flying height hard first floating ibm μm cushion even platter helium gap distance read write

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