JPS63266688A - Magnetic recording device - Google Patents
Magnetic recording deviceInfo
- Publication number
- JPS63266688A JPS63266688A JP62099747A JP9974787A JPS63266688A JP S63266688 A JPS63266688 A JP S63266688A JP 62099747 A JP62099747 A JP 62099747A JP 9974787 A JP9974787 A JP 9974787A JP S63266688 A JPS63266688 A JP S63266688A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- superconductor
- magnetic field
- external magnetic
- recording medium
- 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
Links
- 239000002887 superconductor Substances 0.000 claims abstract description 12
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 8
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 abstract description 7
- 230000004907 flux Effects 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910000657 niobium-tin Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野コ
本発明は磁気記録媒体と、これを組み込んだ磁気記録装
置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a magnetic recording medium and a magnetic recording device incorporating the same.
[従来の技術]
従来の磁気記録装置、例えば磁気ディスク装置に用いら
れる記録媒体は、「新版情報処理ハンドブック」オーム
社(1980年)第633頁に記載されているように、
防塵用カバーで覆われているだけである。[Prior Art] As described in "New Edition Information Processing Handbook", Ohmsha (1980), p. 633, recording media used in conventional magnetic recording devices, such as magnetic disk devices, are as follows:
It is simply covered with a dustproof cover.
[発明が解決しようとする問題点]
上記従来技術は、外部磁場が装置内で侵入する点につい
て配慮がされておらず1強力な外部磁場が生じた場合に
は記録媒体の磁気記録情報が破壊されるという問題があ
った。[Problems to be Solved by the Invention] The above-mentioned conventional technology does not take into account the fact that an external magnetic field enters the device, and if a strong external magnetic field occurs, the magnetically recorded information on the recording medium may be destroyed. There was a problem with being exposed.
本発明の目的は、外部磁場の侵入を防ぎ磁気記録を保護
することにある。An object of the present invention is to protect magnetic recording by preventing the intrusion of external magnetic fields.
[問題墾を解決するための手段]
上記目的は、磁気記録媒体の周囲を超伝導体で覆うこと
によって達成できる。[Means for Solving the Problems] The above object can be achieved by covering the magnetic recording medium with a superconductor.
[作用]
超伝導体は臨界温度以下では完全反射磁性を示すため、
磁束は超伝導体の内部を通過することができない、よっ
て、磁気記録媒体の周囲を超伝導体で覆えば、外部磁場
を完全にシールドすることができる。[Effect] Superconductors exhibit perfect reflective magnetism below the critical temperature, so
Magnetic flux cannot pass through the inside of a superconductor, so if a magnetic recording medium is surrounded by a superconductor, it is possible to completely shield it from external magnetic fields.
しかし、Nb3Snのような金属系超伝導体を用いた場
合には、超伝導体を液体ヘリウム容器などの外部に出す
構造とすることができず、上記のような方法は実現でき
ない、しかし超伝導体にイツトリウム、バリウム、ラン
タン、ストロンチウム。However, when a metallic superconductor such as Nb3Sn is used, it is not possible to create a structure in which the superconductor is exposed to the outside of a liquid helium container, etc., and the above method cannot be realized. Yttrium, barium, lanthanum, and strontium in the body.
酸化鋼などを主成分とする非金系超伝導体を用いれば、
簡便な装置で超伝導状態にすることができ、上記構造を
実現できる。If we use a non-gold-based superconductor whose main component is oxidized steel,
A superconducting state can be achieved with a simple device, and the above structure can be realized.
[実施例] 以下実施例により本発明を説明する。[Example] The present invention will be explained below with reference to Examples.
(実施例1)
第1図は本発明の実施例の磁気ディスク装置の概略図で
ある。データー用である磁気ディスク2と、トラック位
置決め用のサーボディスク3からなる記録媒体の周囲を
超伝導材シールド1で覆う。(Embodiment 1) FIG. 1 is a schematic diagram of a magnetic disk device according to an embodiment of the present invention. A recording medium consisting of a magnetic disk 2 for data and a servo disk 3 for track positioning is covered with a superconducting material shield 1.
上記構造では外部磁場は超伝導材シールド1によってシ
ールドされ、磁気ディスク2、およびサーボディスク3
の記録情報を外部磁場から保護し。In the above structure, the external magnetic field is shielded by the superconducting material shield 1, and the magnetic disk 2 and the servo disk 3
protect recorded information from external magnetic fields.
情報破壊を防止することができる。Information destruction can be prevented.
(実施例2)
第2図は本発明の実施例2の磁気ドラム装置の概略図で
ある。磁性膜回転体4と選択マトリックス用ダイオード
5.浮動ヘッド6、ハウジング71ベツトカバー8から
成る磁気ドラム装置全体を。(Embodiment 2) FIG. 2 is a schematic diagram of a magnetic drum device according to Embodiment 2 of the present invention. Magnetic film rotating body 4 and selection matrix diode 5. The entire magnetic drum device consists of a floating head 6, a housing 71, and a bed cover 8.
超伝導材シールド1によって覆う。Cover with a superconducting material shield 1.
上記構造では外部磁場は、超伝導材シールド1によって
シールドされ、浮動ヘッド6によって磁性膜回転体4に
記録された情報が外部磁場によって破壊されることを防
止できる。In the above structure, the external magnetic field is shielded by the superconducting material shield 1, and the information recorded on the magnetic film rotating body 4 by the floating head 6 can be prevented from being destroyed by the external magnetic field.
(実施例3)
第3図は本発明の実施例3の超大容量記憶装置データカ
ートリッジの概略図である。カートリッジ本体を超伝導
材シールド1で作り、磁気テープ9をその中に収納する
。(Third Embodiment) FIG. 3 is a schematic diagram of a data cartridge of a super large capacity storage device according to a third embodiment of the present invention. A cartridge body is made of a superconducting material shield 1, and a magnetic tape 9 is housed therein.
上記構造では外部磁場は、超伝導材シールド1によって
シールドされるので、磁気テープ9上の記録情報がカー
トリッジ保管時に外部磁場によって破壊されることを防
止できる。In the above structure, since the external magnetic field is shielded by the superconducting material shield 1, it is possible to prevent the recorded information on the magnetic tape 9 from being destroyed by the external magnetic field when the cartridge is stored.
[発明の効果]
本発明によれば、磁気記録媒体の外部磁場による情報破
壊を防ぐことができ、磁気記録による記録情報の信頼度
を向上することができる。[Effects of the Invention] According to the present invention, it is possible to prevent information from being destroyed in a magnetic recording medium due to an external magnetic field, and it is possible to improve the reliability of information recorded by magnetic recording.
第1図は、本発明の実施例1の磁気ディスク装置の概略
図、第2図は本発明の実施例2の磁気ドラム装置の概略
図、第3図は本発明の実施例3の超大容量記憶装置用デ
ータカートリッジの概略図である。
1・・・超伝導材シールド、2・・・磁気ディスク。
3・・・サーボディスク、4・・・磁性膜回転体、5・
・・ダイオード、6・・・浮動ヘッド、7・・・ハウジ
ング、8・・・ヘッドカバー、9・・・磁気テープ。1 is a schematic diagram of a magnetic disk device according to a first embodiment of the present invention, FIG. 2 is a schematic diagram of a magnetic drum device according to a second embodiment of the present invention, and FIG. 3 is a schematic diagram of a magnetic drum device according to a third embodiment of the present invention. FIG. 2 is a schematic diagram of a data cartridge for a storage device. 1... Superconducting material shield, 2... Magnetic disk. 3... Servo disk, 4... Magnetic film rotating body, 5...
...Diode, 6...Floating head, 7...Housing, 8...Head cover, 9...Magnetic tape.
Claims (1)
体で覆うことを特徴とする磁気記録装置。1. A magnetic recording device characterized by having a recording medium made of a magnetic material and surrounding it with a superconductor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62099747A JPS63266688A (en) | 1987-04-24 | 1987-04-24 | Magnetic recording device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62099747A JPS63266688A (en) | 1987-04-24 | 1987-04-24 | Magnetic recording device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63266688A true JPS63266688A (en) | 1988-11-02 |
Family
ID=14255592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62099747A Pending JPS63266688A (en) | 1987-04-24 | 1987-04-24 | Magnetic recording device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63266688A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49281U (en) * | 1972-04-07 | 1974-01-05 | ||
JPS5590644A (en) * | 1978-12-28 | 1980-07-09 | Nippon Waido Cloth Kk | Production of light barrier screen |
JPS57180775U (en) * | 1981-05-12 | 1982-11-16 | ||
JPS609430A (en) * | 1983-06-29 | 1985-01-18 | ダイオ化成株式会社 | Sunshade cloth for culturing agricultural crop |
JPS6021908A (en) * | 1983-07-14 | 1985-02-04 | Chisso Corp | Manufacture of composite monofilament |
JPS612042U (en) * | 1984-06-08 | 1986-01-08 | 株式会社 フジタ | Agricultural protective covering |
-
1987
- 1987-04-24 JP JP62099747A patent/JPS63266688A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49281U (en) * | 1972-04-07 | 1974-01-05 | ||
JPS5590644A (en) * | 1978-12-28 | 1980-07-09 | Nippon Waido Cloth Kk | Production of light barrier screen |
JPS57180775U (en) * | 1981-05-12 | 1982-11-16 | ||
JPS609430A (en) * | 1983-06-29 | 1985-01-18 | ダイオ化成株式会社 | Sunshade cloth for culturing agricultural crop |
JPS6021908A (en) * | 1983-07-14 | 1985-02-04 | Chisso Corp | Manufacture of composite monofilament |
JPS612042U (en) * | 1984-06-08 | 1986-01-08 | 株式会社 フジタ | Agricultural protective covering |
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