Disk drive head suspension assembly having a DLC coating between dimple and tongue

A suspension assembly for a head gimbal assembly of a disk drive includes a laminated flexure that includes a tongue for attachment of a read head. The suspension assembly includes a load beam that, in a first aspect of the present invention has a protruding dimple that contacts the tongue. In this aspect of the invention, a diamond-like carbon (DLC) coating is disposed between and contacting the dimple and the tongue. For example, the DLC may be disposed on the tongue at the location of contact with the load beam dimple. Alternatively, in a second aspect of the present invention, the tongue may have a protruding dimple that contacts the load beam. In this aspect of the invention, a DLC coating is disposed between and contacting the dimple and the load beam.