JPH0445343U

JPH0445343U -

Info

Publication number: JPH0445343U
Application number: JP8720690U
Authority: JP
Priority date: 1990-08-20
Filing date: 1990-08-20
Publication date: 1992-04-17

Description

[Brief explanation of the drawing]

第１図は第１の実施例を示す側断面図、第２図
及び第３図は第２の実施例を示す側断面図及びそ
れに用いられるデイスクの構成図、第４図は従来
例を示す側断面図である。３……ターンテーブル、８……光ヘツド、１１
……空気吸引器（空気圧印加手段）、１２……電
磁石（磁界印加手段）。 FIG. 1 is a side sectional view showing the first embodiment, FIGS. 2 and 3 are side sectional views showing the second embodiment and a configuration diagram of a disk used therein, and FIG. 4 is a conventional example. FIG. 3... Turntable, 8... Optical head, 11
. . . Air suction device (air pressure application means), 12 . . . Electromagnet (magnetic field application means).

Claims

[Claims for Utility Model Registration] (1) A turntable that supports and rotates a disk, a head that faces the disk surface and reads data on the disk or writes data on the disk, and a head that faces the disk surface and reads data on the disk or writes data on the disk, and A disk drive device comprising an air pressure applying means disposed on the opposite side of the head and applying air pressure to the disk. (2) an optical disk having a magnetic layer, a turntable that supports and rotates the disk, an optical head that is placed opposite to the disk surface and irradiates the disk with a beam, and an optical head that is opposite to the head with the disk in between. A disk drive device comprising a magnetic field applying means disposed on the side of the disk and applying a magnetic field to the disk.