JPH0178372U - - Google Patents

Info

Publication number
JPH0178372U
JPH0178372U JP1987173296U JP17329687U JPH0178372U JP H0178372 U JPH0178372 U JP H0178372U JP 1987173296 U JP1987173296 U JP 1987173296U JP 17329687 U JP17329687 U JP 17329687U JP H0178372 U JPH0178372 U JP H0178372U
Authority
JP
Japan
Prior art keywords
floppy disk
center core
vibration damping
magnetic material
sheet
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.)
Granted
Application number
JP1987173296U
Other languages
Japanese (ja)
Other versions
JPH0452859Y2 (en
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 filed Critical
Priority to JP17329687U priority Critical patent/JPH0452859Y2/ja
Publication of JPH0178372U publication Critical patent/JPH0178372U/ja
Application granted granted Critical
Publication of JPH0452859Y2 publication Critical patent/JPH0452859Y2/ja
Expired legal-status Critical Current

Links

Description

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

図面はこの考案の一実施例を示したものであつ
て、第１図及び第２図はフロツピーデイスクの要
部を示した断面図、第３図は本考案のセンターコ
アの制振性を示した図面、第４図はフロツピーデ
イスク装置を示した断面図、第５図は従来のセン
ターコアの制振性を示した図面である。 なお、図面に用いられている符号において、１
……磁気シート（シート状記録媒体）、２……セ
ンターコア、３……フロツピーデイスク、２１…
…単板構造の磁性材、２２……複合板構造の磁性
材、である。 The drawings show one embodiment of this invention; Figs. 1 and 2 are cross-sectional views showing the main parts of the floppy disk, and Fig. 3 shows the vibration damping properties of the center core of the invention. The drawings shown, FIG. 4 is a sectional view showing a floppy disk device, and FIG. 5 is a drawing showing the vibration damping properties of a conventional center core. In addition, in the symbols used in the drawings, 1
... Magnetic sheet (sheet-like recording medium), 2 ... Center core, 3 ... Floppy disk, 21 ...
...A magnetic material with a single plate structure, 22...A magnetic material with a composite plate structure.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シート状記録媒体のセンターコアを高い制振性
を有する磁性材で構成したことを特徴とするフロ
ツピーデイスク。 A floppy disk characterized in that a center core of a sheet-like recording medium is made of a magnetic material with high vibration damping properties.
JP17329687U 1987-11-13 1987-11-13 Expired JPH0452859Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17329687U JPH0452859Y2 (en) 1987-11-13 1987-11-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17329687U JPH0452859Y2 (en) 1987-11-13 1987-11-13

Publications (2)

Publication Number Publication Date
JPH0178372U true JPH0178372U (en) 1989-05-26
JPH0452859Y2 JPH0452859Y2 (en) 1992-12-11

Family

ID=31465223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17329687U Expired JPH0452859Y2 (en) 1987-11-13 1987-11-13

Country Status (1)

Country Link
JP (1) JPH0452859Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001035115A (en) * 1999-07-22 2001-02-09 Fuji Photo Film Co Ltd Center core for magnetic disk

Also Published As

Publication number Publication date
JPH0452859Y2 (en) 1992-12-11

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