Patent ID: 7430750

Claim:
An optical disc drive, in which an optical disk is rotated so that information is readable therefrom and writable thereonto, comprising: a main frame, in which a turntable is provided; a tray, on which the optical disc is mounted and which is slidable in the main frame; a cover, which covers a top surface of the main frame and includes a clamper to fix the optical disc in the turntable; and a noise reducer, which is disposed in the cover and causes air that is generated by the rotation of the optical disc to circulate from an inner circumference to an outer circumference of the optical disc and from the outer circumference to the inner circumference thereof, to reduce a noise generated by the circulation of the air, wherein the noise reducer comprises: a clamper mounting portion, on which the clamper is seated and which provides a path through which the circulation of the air flows; a space portion, which has a predetermined concave area to surround the clamper mounting portion; an extension portion adjacent to the space portion in which air density is decreased; a plurality of first through holes formed in the cover at predetermined intervals so that the extension portion adjacent to the space portion and the space portion communicate with each other; and a plurality of second through holes formed in the clamper mounting portion at predetermined intervals so that the space portion and the clamper mounting portion communicate with each other.