Slider and/or hard disc including coating, and optionally one or more additives that can dissipate electrical charge

摘要

The present disclosure relates to reducing a potential difference among a slider body and a hard disc drive platter by providing a hard disc drive platter and/or slider body with a coating that includes one or more additives that can dissipate electrical charge.

主权项

1. A hard disc drive comprising:
a) a hard disc drive platter having at least one major surface, wherein at least a portion of the major surface comprises at least one coating, wherein the coating comprises a lubricant comprising a perfluoropolyether in admixture with one or more additives that can dissipate electrical charge; and b) a slider body having air bearing surface positioned to face the at least one major surface of the hard disc drive platter, wherein at least a portion of the air bearing surface comprises:
i) a carbon overcoat surface; andii) a surface coating layer overlying the carbon overcoat surface, wherein the surface coating layer has a thickness of from greater than zero to 50 angstroms, wherein the surface coating layer comprises an organosilane compound having a functional group selected from the group consisting of a halogen group, an alkyl group, an amine group, a silicon dioxide group, and combinations thereof.