Optical disc drive having openings in the housing to allow air therein

An optical disc drive comprising:

• a housing;
• a tray able to be drawn from a front surface of the housing to place a disc on a top surface thereof;
• a disc rotation mechanism arranged under the proximity to the top surface of the tray within the housing to rotate the disc clockwise viewed from above;
• and
• a pickup arranged under the tray and behind a rotation axis of the disc rotation mechanism in the housing being movable frontward and backward of the housing, wherein
• the tray is almost in a rectangular shape which partitions the housing in a vertical direction and has an internal opening extending in the proximity to the rotation axis of the disc rotation mechanism and in a moving range of the pickup, and
• the housing has only two openings on a back surface thereof that consist of a first opening placed on a right side of the back surface viewed from its backside, and in a height range between a bottom surface of the tray and the proximity to a bottom end of the pickup, and a second opening placed on a left side of the back surface viewed from the backside, and in a height range between the top surface of the housing and the top surface of the tray, so that the second opening is placed on a diagonal opposite side to the first opening on the back surface of the housing,
• wherein outside air is introduced to the proximity of the pickup through the first opening and air in the proximity of the pickup is discharged through the second opening.