JPS6243825A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS6243825A JPS6243825A JP18507985A JP18507985A JPS6243825A JP S6243825 A JPS6243825 A JP S6243825A JP 18507985 A JP18507985 A JP 18507985A JP 18507985 A JP18507985 A JP 18507985A JP S6243825 A JPS6243825 A JP S6243825A
- Authority
- JP
- Japan
- Prior art keywords
- copper
- bismuth
- bismuth oxide
- magnetic
- prescribed
- 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
Landscapes
- Magnetic Record Carriers (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、耐食性及び耐摩耗性の向上を図るようにし
た磁気記録体に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a magnetic recording medium designed to improve corrosion resistance and wear resistance.
磁気記録体、例えば磁気ディスクは、ディスク状のアル
ミ合金板にアルマイト処理や非晶質メッキ等の硬化処理
を施した後、例えばコバル) (Co)コバルト−ニッ
ケル(co−N1)、コバルト−ニッケルーリン(Co
−Ni −P)等を、メッキまたはスパッタリング等
によって薄膜とした磁性層が設けらハている。A magnetic recording medium, such as a magnetic disk, is produced by hardening a disk-shaped aluminum alloy plate, such as alumite treatment or amorphous plating, for example, cobalt (Co) cobalt-nickel (co-N1), cobalt-nickel (co-N1), cobalt-nickel (co-N1), Lulin (Co
-Ni-P) or the like is formed into a thin film by plating or sputtering.
このような磁気記録体は、ヘッドを用いて磁気情報の記
録、再生が行わねる。In such a magnetic recording medium, magnetic information cannot be recorded or reproduced using a head.
従来の磁気記録体は以上のように構成さねているので、
耐食性や耐摩耗性を期待することができないという問題
点があった。Conventional magnetic recording media are structured as described above, so
There was a problem in that corrosion resistance and abrasion resistance could not be expected.
この発明は上記のような問題点を解消するためになさh
たもので、耐食性及び耐摩耗性の向上を期待できる磁気
記録体を得ることを目的とする。This invention was made to solve the above problems.
The object of the present invention is to obtain a magnetic recording medium which can be expected to have improved corrosion resistance and abrasion resistance.
この発明に係る磁気記録体は、磁性層と密着して所定の
保護層f2けたものである。The magnetic recording body according to the present invention has a predetermined protective layer f2 digits in close contact with the magnetic layer.
〔作用〕
1この発明における磁気記録体は、耐食性及び耐摩
耗性を向上する。[Effect]
1. The magnetic recording medium according to the present invention has improved corrosion resistance and wear resistance.
以下、この発明の一実施例を説明する。ディスク状のア
ルミ合金板にアルマイト処理を陶12、こ □の
処理膜上にコバルト−ニッケル(co−Nt)の磁?’
[Ii4 &、5 X 10 ” ’rarrのアルゴ
ン雰囲気中で約10(A/m 1 nのスパッタリング
速度で用:I厚が500Aとなる、Lう1こスパッタリ
ング法で形hk に、この磁P1g層の11こλ1空蒸
着法によ=つて銅(C1,1)からなる第1の保護層全
模PJ−500Aで形υV12、さら1こ、この第1の
保護層の上メこ酸化ビスマス(B1203)からなる第
2の保j層ケ1000Aの膜厚として磁気ディスクを1
ト三t+’2 L、 1こ。An embodiment of this invention will be described below. Alumite treatment is applied to a disk-shaped aluminum alloy plate. Cobalt-nickel (co-Nt) magnetism is applied on the treated film of □. '
[Ii 4 &, 5 X 10'''rarr in an argon atmosphere at a sputtering rate of about 10 (A/m 1 n) This magnetic P1g was formed into a shape hk by the L-shaped sputtering method, with an I thickness of 500A. The first protective layer made of copper (C1,1) is made of 11 layers of copper (C1,1) by empty evaporation method. (B1203) with a film thickness of 1000A for the magnetic disk.
To3t+'2L, 1ko.
この磁気ディスクと従来手法で製作(4m磁気ディスク
とを、磁気ディスク試験装置で比較試験を実殉し13−
0なお、試験に用いるヘッド灯フェライト製で、試験の
対象ごと1こそね−ぞハ未使用のものケ用い、千ハぞ4
100回の磁気ディスクの回転始動、停止1・を行つ1
こ。こえ・によると、実施例の磁気1イスク(1正常番
こ′fIjI作17たが、対象の従来手法による磁気デ
ィスクけ、ヘッドがディスクに喰い込んでiP録、再生
か不能になった。A comparative test was conducted on this magnetic disk and a 4m magnetic disk manufactured using the conventional method using a magnetic disk tester.
0In addition, the headlights used in the test are made of ferrite, and only one unused one is used for each subject to be tested.
Starting and stopping the magnetic disk rotation 100 times 1
child. According to Koe, the magnetic disk of the example (1 normal number 17) was used, but the head of the conventional magnetic disk in question dug into the disk, making it impossible to perform IP recording or playback.
なか、上ル1実隋例では、第ユと第2の薄膜材料々1.
て銅(On)と酸化ビスマス(1:11203)f用い
た場合に゛つい−C説明し1こが、銅(Cu)又は酸化
ビス) マス(BiQ○−1)グ)r +−,7?
るitl 114j lづjl’r’j’1′の4←食
1ノI ’−rj’ (、、(((、h化ビスマス(]
]12()3)又tar !ilI:+−ビスマスkt
J合体((81]0・2Bi2(J)’) ニー↑[コ
アT〒′・;′の俳摩it’、 tlpか71)らハ;
′、。Among them, in the first example above, the first and second thin film materials 1.
When copper (On) and bismuth oxide (1:11203) are used, -C will be explained. ?
ru itl 114j lzujl'r'j'1'4←Eating 1noI'-rj' (,,((, bismuth h()
]12()3) Tar again! ilI: +- bismuth kt
J combination ((81]0.2Bi2(J)') Knee ↑ [Core T〒'・;' Haima it', tlp or 71) Raha;
',.
〔発明の効果]
以1−のようにこの発、明(こよねば、磁性層θ〕1〕
1こ所定の金属からなる保護層を1父け7.ようM、
l= 7j−ので、磁気ディXりの(寸前性及び1寸1
r耗叶全向トニする。[Effects of the Invention] As shown in 1- below, the present invention (if the magnetic layer θ) is
7. Add a protective layer made of a specified metal. Yo M,
Since l = 7j-, magnetic di
r wear out all the way.
Claims (1)
磁性層と密着して銅(Cu)、ビスマス(Bi)又は酸
化ビスマス(Bi_2O_3)あるいは銅と酸化ビスマ
スの複酸化物(CuO、2Bi_2O_3)からなる保
護層を設けたことを特徴とする磁気記録体。A predetermined magnetic layer is formed on the surface of a disk-shaped substrate, and in close contact with this magnetic layer, copper (Cu), bismuth (Bi), bismuth oxide (Bi_2O_3), or a double oxide of copper and bismuth oxide (CuO, 2Bi_2O_3) is formed. ) A magnetic recording body characterized by being provided with a protective layer consisting of:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18507985A JPS6243825A (en) | 1985-08-21 | 1985-08-21 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18507985A JPS6243825A (en) | 1985-08-21 | 1985-08-21 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6243825A true JPS6243825A (en) | 1987-02-25 |
Family
ID=16164449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18507985A Pending JPS6243825A (en) | 1985-08-21 | 1985-08-21 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6243825A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111020501A (en) * | 2019-11-28 | 2020-04-17 | 肇庆市华师大光电产业研究院 | Preparation method of copper bismuthate film |
-
1985
- 1985-08-21 JP JP18507985A patent/JPS6243825A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111020501A (en) * | 2019-11-28 | 2020-04-17 | 肇庆市华师大光电产业研究院 | Preparation method of copper bismuthate film |
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