Abstract:The dynamic performance test of a hard disk head is the most effective method of evaluating hard disk performance, but it must be conducted in a dust-and electrostatic discharge (ESD)-free environment. With the rapid development of perpendicular magnetic recording (PMR) technology, the flying height of a magnetic head is reduced from 18 nm to less than 2 nm, which makes the testing conditions increasingly demanding, and the traditional way of manual testing by an operator cannot match the requirement of produc… Show more
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