JPS6431596U

JPS6431596U -

Info

Publication number: JPS6431596U
Application number: JP12458287U
Authority: JP
Priority date: 1987-08-17
Filing date: 1987-08-17
Publication date: 1989-02-27

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例による磁気デイス
ク装置を示す正断面図２図は第１図の平断面図、
第３図は従来の磁気デイスク装置の一例を示す正
断面図、第４図は第３図の平断面図、第５図は第
３図の放熱フインの斜視図である。図中において、１はトツプカバー、２はベース
、３はスピンドルモータ、４はボイスコイルモー
タ、５は回路基板、６ａ，６ｂ，６ｃは第１、第
２および第３の磁気デイスク、７ａ，７ｂ，７ｃ
は第１、第２および第３の磁気ヘツド、８はアー
ム、９は電子部品、２０は放熱フインである。な
お、各図中、同一符号は同一又は相当部分を示す
。 FIG. 1 is a front sectional view showing a magnetic disk device according to an embodiment of the invention; FIG. 2 is a plan sectional view of FIG. 1;
3 is a front sectional view showing an example of a conventional magnetic disk device, FIG. 4 is a plan sectional view of FIG. 3, and FIG. 5 is a perspective view of the heat dissipation fin of FIG. 3. In the figure, 1 is a top cover, 2 is a base, 3 is a spindle motor, 4 is a voice coil motor, 5 is a circuit board, 6a, 6b, 6c are first, second and third magnetic disks, 7a, 7b, 7c
are first, second and third magnetic heads; 8 is an arm; 9 is an electronic component; and 20 is a heat dissipation fin. In each figure, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

a spindle motor to which a plurality of magnetic disks are attached at intervals, a voice coil motor that moves the plurality of magnetic heads for recording and reproducing information on the magnetic disks to predetermined positions via an arm; A circuit board having an electronic circuit for controlling the driving of the voice coil motor and the spindle motor is attached to a base, and a plurality of the magnetic disks, the magnetic head, In a magnetic disk device in which the spindle motor and the voice coil motor are housed, and a heat dissipation fin is attached to an electronic component of the electronic circuit, the heat dissipation fin is connected to the top cover, and the amount of heat of the electronic component is transferred to the heat dissipation fin. A magnetic disk device characterized in that the information is transmitted to the top cover via the magnetic disk device.