Filters and methods of using the filters, as well as assemblies having the filters are disclosed. The present invention includes a breather filter combined with an adsorbent filter in a single enclosure that utilizes pressure differentials within the housing of an operating data storage device to provide improved contaminant removal from the enclosure

 
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< Dual mode servo pattern

< Magnetoresistance effect element comprising nano-contact portion not more than a fermi length, and magnetic head utilizing same

> Hard disk drive for perpendicular recording with transducer having submicron gap between pole tips

> Soft magnetic film having saturation magnetic flux density Bs of at least 2.0 T and magnetic head including the same
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