US 7,614,062 B2
	Optical disk device
Yukinobu Abe, Matsudo (Japan); Nobuyuki Isoshima, Hitachinaka (Japan); and Ikuo Nishida, Ebina (Japan)
Assigned to Hitachi, Ltd., Tokyo (Japan); and Hitachi-LG Data Storage, Inc, Tokyo (Japan)
Filed on Sep. 28, 2006, as Appl. No. 11/528,515.
Claims priority of application No. 2006-069466 (JP), filed on Mar. 14, 2006.
Prior Publication US 2007/0220534 A1, Sep. 20, 2007
Int. Cl. G11B 33/14 (2006.01)

U.S. Cl. 720—649

10 Claims

1. An optical disk device comprising: a mechanical block base equipped with a disk motor and an optical head; a tray for moving a disk between a projection position and a retraction position; and a through hole formed between the edge portion of the tray and the side portion of the mechanical block base, wherein when the disk is rotated, air flows from space on the disk side to space on the opposite side to the disk through the through hole of spaces on both sides of the tray.