JPS58101325U - magnetic disk - Google Patents

magnetic disk

Info

Publication number
JPS58101325U
JPS58101325U JP19647881U JP19647881U JPS58101325U JP S58101325 U JPS58101325 U JP S58101325U JP 19647881 U JP19647881 U JP 19647881U JP 19647881 U JP19647881 U JP 19647881U JP S58101325 U JPS58101325 U JP S58101325U
Authority
JP
Japan
Prior art keywords
magnetic disk
magnetic
substrate
fitting hole
disk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP19647881U
Other languages
Japanese (ja)
Inventor
実藤　考二郎
澤井　厚
Original Assignee
富士通株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 富士通株式会社 filed Critical 富士通株式会社
Priority to JP19647881U priority Critical patent/JPS58101325U/en
Publication of JPS58101325U publication Critical patent/JPS58101325U/en
Pending legal-status Critical Current

Links

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はスピンドルに対して磁気ディスクをセットした
側断面図、第２図は磁気ディスクの側断面を示す。 図中、１はスピンドル、４は磁気ディスク、２０．２０
ａ、２０ｂは基板、２１はスピンドル嵌合孔を示す。FIG. 1 is a side sectional view of a magnetic disk set on a spindle, and FIG. 2 is a side sectional view of the magnetic disk. In the figure, 1 is a spindle, 4 is a magnetic disk, 20.20
20a and 20b are substrates, and 21 is a spindle fitting hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 円板状のアルミニュームよりなる基板に対し、その中央
にスピンドル嵌合孔を設け、かつ少なくとも一面に磁気
記録面を設けてなる磁気ディスクにおいて、前記基板の
うちスピンドル嵌合孔に接する周縁部を前記基板の材料
に対して高硬度で非磁性を有する材料で構成したことを
特徴とする磁気ディスク。In a magnetic disk in which a spindle fitting hole is provided in the center of a disk-shaped substrate made of aluminum and a magnetic recording surface is provided on at least one surface, a peripheral portion of the substrate in contact with the spindle fitting hole is provided. A magnetic disk characterized in that it is made of a material that is harder and non-magnetic than the material of the substrate.
JP19647881U 1981-12-26 1981-12-26 magnetic disk Pending JPS58101325U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19647881U JPS58101325U (en) 1981-12-26 1981-12-26 magnetic disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19647881U JPS58101325U (en) 1981-12-26 1981-12-26 magnetic disk

Publications (1)

Publication Number Publication Date
JPS58101325U true JPS58101325U (en) 1983-07-09

Family

ID=30109719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19647881U Pending JPS58101325U (en) 1981-12-26 1981-12-26 magnetic disk

Country Status (1)

Country Link
JP (1) JPS58101325U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49126306A (en) * 1973-04-04 1974-12-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49126306A (en) * 1973-04-04 1974-12-03

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