JPS60186565U

JPS60186565U - magnetic disk

Info

Publication number: JPS60186565U
Application number: JP7195084U
Authority: JP
Inventors: 健三伊藤; 菅原　康吉; 舟山　正教
Original assignee: ソニー株式会社
Priority date: 1984-05-18
Filing date: 1984-05-18
Publication date: 1985-12-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の磁気ディスクを示す平面図、第２図は第
１図のＡ−Ａ線からみたセンタコアの拡、大〒図、第３
図は磁気シートの平面図、第４図は磁気シートとセンタ
コアの取り付けを説明する図、第５図ａ、　ｂ、　ｃは
この考案の一実施例を示し、第５図ａはセンタコアの拡
大裏面図、第５図す、　ｃは磁気ディスクの拡大断面図
、第６図はこ、の考案の他の実施例を示す拡大裏面図で
ある。図中、１は磁気シート、ＩＡは開口、２はセン′タコア
、２Ｃは突出部、２Ｄｃ↓フランジ、４は感熱性接着剤
１．Ｄ、は磁気ディスクである。第２図Figure 1 is a plan view showing a conventional magnetic disk, Figure 2 is an enlarged view of the center core seen from line A-A in Figure 1;
The figure is a plan view of the magnetic sheet, Figure 4 is a diagram explaining the attachment of the magnetic sheet and the center core, Figures 5 a, b, and c show an example of this invention, and Figure 5 a is an enlarged back side of the center core. Figures 5 and 5c are enlarged sectional views of the magnetic disk, and Figure 6 is an enlarged back view showing another embodiment of this invention. In the figure, 1 is a magnetic sheet, IA is an opening, 2 is a center core, 2C is a protrusion, 2Dc↓flange, 4 is a heat-sensitive adhesive 1. D is a magnetic disk. Figure 2

Claims

[Scope of utility model registration request]

7. A magnetic disk characterized in that a circular magnetic sheet and a flange of a sesita core having a projection inserted into an opening provided in the magnetic sheet are adhered using a heat-sensitive adhesive. ,゛