A slider in a disk drive is shock-protected with an overcoat layer of either metal or polymer directly on the areas of the slider that are prone to contact the disk when the slider is loaded off the platform, or when the slider is shocked while in operation over the data zone of the disk. The material...http://www.google.de/patents/US6995952?utm_source=gb-gplus-sharePatent US6995952 - Head shock resistance and head load/unload protection for reducing disk errors and defects, and enhancing data integrity of disk drives