Patent ID: 8566853

Claim:
A turn table for a spindle motor, comprising: a clamping plate having a locking protrusion protruding from an inner surface of a first recess thereof, the first recess being concavely formed in an outer circumference of the clamping plate; and a turn-table body having a second recess to receive the clamping plate and having turn-table body protrusions, the turn-table body protrusions protruding from an inner surface defined by the second recess towards the first recess to lock the locking protrusion, wherein the turn-table body protrusions comprise: a first turn-table body protrusion facing an upper surface of the locking protrusion; and a second turn-table body protrusion facing a side surface of the locking protrusion to inhibit rotation of the clamping plate, wherein the first and second turn-table body protrusions are alternately arranged along the inner surface of the turn-table body when viewed from a plan view, and wherein an upper surface of the second turn-table body protrusion is disposed to be lower than an upper surface of the first turn-table body protrusion.