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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