Patent ID: 6982852

Claim:
A carriage arm assembly comprising: a slider on which a magnetic head is mounted for reading and writing information from/to a disk; a suspension for holding the slider and applying a predetermined load to the slider; a carriage arm to which the suspension is fixed; and a body to which the carriage arm is fixed, the body including a pivot shaft and a VCM coil, wherein the carriage arm comprises a fixation portion for the suspension, and first and second arm portions disposed substantially parallel to a disk surface and seperated from each other by a gap, the first arm portion and the second arm portion are coupled to a restraint member intervened with a viscoelastic material having a thickness, which restraint member has a surface opposing to the first and second arm portions, so that the first and second arm portions, the restraint member and the viscoelastic material form a three layer structure at the opposing surface portion of the restraint member and the first and second arm portions, and the restraint member is also fixed to the body or a portion of the carriage arm in the vicinity of the body by means of adhesion, so that the restraint member, and the body or the portion of the carriage arm in the vicinity of the body form a two layer structure at the adhered portion.