The data storage industry has been enjoying the realization of 100% areal density increase annually,and such a "breathe-taking" trend continues to be strongly anticipated in the few years to come.In addition to the advancement of the magnetic transducer technologies as well as the head disc interface(HDI)solutions at ever decreasing flying heights,there are well identified product enhancement add-on elements that append the list of necessary technological progressions in order to sustain the continuous areal density increases.For instance,chip-on-suspension(COS)is required for reduced inductance for higher data rates applications,as well as micro-actuator is required for increased actuation bandwidths for high tracks per inch(TPI)applications.
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