JPS6076016A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS6076016A JPS6076016A JP18483083A JP18483083A JPS6076016A JP S6076016 A JPS6076016 A JP S6076016A JP 18483083 A JP18483083 A JP 18483083A JP 18483083 A JP18483083 A JP 18483083A JP S6076016 A JPS6076016 A JP S6076016A
- Authority
- JP
- Japan
- Prior art keywords
- underlayer
- base
- magnetic recording
- underlying layer
- 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
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 12
- 229920006254 polymer film Polymers 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 5
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 5
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 5
- 239000010936 titanium Substances 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims description 9
- 239000010409 thin film Substances 0.000 claims description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001771 vacuum deposition Methods 0.000 abstract description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 3
- 150000002739 metals Chemical class 0.000 abstract description 3
- 229910052725 zinc Inorganic materials 0.000 abstract description 3
- 239000011701 zinc Substances 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 2
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 2
- 150000004767 nitrides Chemical class 0.000 abstract description 2
- 229920006267 polyester film Polymers 0.000 abstract description 2
- 229910052748 manganese Inorganic materials 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 229910017052 cobalt Inorganic materials 0.000 abstract 1
- 239000010941 cobalt Substances 0.000 abstract 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 11
- 238000007738 vacuum evaporation Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
Abstract
Description
【発明の詳細な説明】 本発明は磁気記録媒体に関するものである。[Detailed description of the invention] The present invention relates to magnetic recording media.
磁気テープや磁気ディスク等の磁気記録媒体として、従
来は、塗布型が主流であったが、最近は、強磁性金属を
真空蒸着法等により基体に細首して強磁性金属薄膜を形
成した薄膜型のものが用いられるようになってきた。Conventionally, coating-type magnetic recording media such as magnetic tapes and magnetic disks have been mainstream, but recently, thin-film ferromagnetic metal thin films have been created by thinly ferromagnetic metals attached to a substrate using vacuum evaporation methods, etc. Types have come to be used.
ところで、磁気テープ等は走行性等のために所定のヤン
グ率が要求されるが、薄膜型のものは磁性層が非常に薄
いためにヤング率が小さく走行性等が劣る欠点があった
。この欠点を改良するために、基体のバック面にアルミ
や亜鉛等の非磁性金属からなるバック層や下地層を設け
ているが、高分子フィルムとの密着性が低く、剥れ易い
欠点があった。By the way, magnetic tapes and the like are required to have a certain Young's modulus for running properties, etc., but thin-film tapes have a drawback of having a small Young's modulus and poor running properties because the magnetic layer is very thin. In order to improve this drawback, a back layer or base layer made of non-magnetic metal such as aluminum or zinc is provided on the back surface of the substrate, but it has the drawback of poor adhesion to the polymer film and easy peeling. Ta.
本発明は、以上の欠点を改良し、高分子フィルムと下地
層との密着性を改良しつる磁気記録媒体の提供を目的と
するものである。The object of the present invention is to improve the above-mentioned drawbacks and provide a magnetic recording medium that improves the adhesion between the polymer film and the underlayer.
本発明は、上記の目的を達成するために、高分子フィル
ムからなる基体に強！ｆ竹金属をイ１省してなる強磁性
金属薄膜を設Ｇノだ磁気記録媒体において、基体に設け
られたマンガン、クロム、チタン、マグネシウムのうち
少なくとも一種類以上を含む第１下地層と、該第１下地
層の表面に設置ノられた非磁性金属を含む第２下地層と
、該第２下地層の表面に設けられた強磁性金属薄膜とを
有Ｊることを特徴とりる磁気記録媒体を提供りるもので
ある。In order to achieve the above-mentioned object, the present invention provides a highly durable substrate made of a polymer film. f) A magnetic recording medium having a ferromagnetic metal thin film made by omitting bamboo metal; A magnetic recording characterized by comprising a second underlayer containing a non-magnetic metal provided on the surface of the first underlayer, and a ferromagnetic metal thin film provided on the surface of the second underlayer. It provides a medium.
以下、本発明を実施例に基づいて説明する。Hereinafter, the present invention will be explained based on examples.
基体としてはポリエステルフィルムやポリエチレンテレ
フタレートフィルム等の高分子フィルムを用いる。そし
てこの基体の一面にマンガン、クロム、チタン、マグネ
シウムのうち少な（とも一種類を、金属単体としである
いは合金や酸化物、窒化物、混合物等として含む第１下
地層を、これ等の金属等を真空蒸着等して、数１００Ａ
の厚さに形成する。次に、この第１下地層の表面に、ア
ルミや亜鉛等の非磁性金属を真空蒸着法等により付着し
て厚さ数１０ＯＡの第２下地層を形成する。A polymer film such as a polyester film or a polyethylene terephthalate film is used as the substrate. A first underlayer containing a small amount of manganese, chromium, titanium, magnesium, as a single metal, or as an alloy, oxide, nitride, mixture, etc., is formed on one surface of this substrate. by vacuum evaporation etc., several hundred A
Form to a thickness of . Next, a non-magnetic metal such as aluminum or zinc is deposited on the surface of this first underlayer by vacuum evaporation or the like to form a second underlayer having a thickness of several tens of OA.
さらに、この第２下地層の表面に、鉄やコバル１〜、ニ
ッケル等の強磁性金属を真空蒸着法やイオンブレーティ
ング法等により付着して強磁性金属薄膜を形成する。強
磁性金属薄膜の表面には、耐腐食性や耐摩耗性等を与え
るために、必要に応じて高級脂肪酸等からなる保護層を
設ける。Furthermore, a ferromagnetic metal thin film such as iron, cobal, nickel, or the like is deposited on the surface of the second underlayer by vacuum evaporation, ion blating, or the like. A protective layer made of higher fatty acid or the like is provided on the surface of the ferromagnetic metal thin film, if necessary, in order to provide corrosion resistance, abrasion resistance, etc.
寸なわら、本発明によれば、高分子フィルムとｖｆ５着
性の良いマンガン、クロム、チタン、マグネシウムの金
属単体を直接１４着して第１下地層を形成し、その上に
アルミ等の金属を付着して第２下地層を形成しているの
で、不地層全体と基体との＠着性が改良され、磁気テー
プ等として用いた場合、磁気ヘッド等により保護層表面
が擦られても、第１下地層から剥れるという事故を防止
しうるものである。また、所定のヤング率も容易に１ｑ
られ走行性も向上しうる。However, according to the present invention, the first base layer is formed by directly depositing 14 metals such as manganese, chromium, titanium, and magnesium with good VF5 adhesion to the polymer film, and then a metal such as aluminum is deposited on top of the first base layer. Since the second underlayer is formed by adhering the base layer, the adhesion between the entire base layer and the substrate is improved, and when used as a magnetic tape, etc., even if the surface of the protective layer is rubbed by a magnetic head, etc. This can prevent accidents such as peeling off from the first base layer. In addition, the predetermined Young's modulus can be easily reduced to 1q
This can also improve running performance.
なお、第１下地層は、マンカン等の真空蒸着やイオンブ
レーティング、スパッタリングにより形成する場合には
、厚さが５００Ａ以下である方が好ましい。これより厚
くなると高分子フィルムが損傷し易くなる。Note that when the first base layer is formed by vacuum evaporation, ion blasting, or sputtering, it is preferable that the thickness is 500 A or less. If it becomes thicker than this, the polymer film will be easily damaged.
また、第１下地層の厚さを上記の理由から、５００Ａ以
下にする場合には、第２下地層の厚さは、所定のヤング
率を得るｌＪめに２００Ａ以上とする方が良い。Further, when the thickness of the first base layer is set to 500A or less for the above-mentioned reason, it is better to set the thickness of the second base layer to 200A or more in order to obtain a predetermined Young's modulus.
以上の通り、本発明によれば、容易に所定の鬼７ング率
が得られるとともに、下地層と基体との密着性を向上で
き走行性の良好な磁気記録媒体がｊ″Ｊられる。As described above, according to the present invention, a magnetic recording medium that can easily obtain a predetermined cutting rate, improve the adhesion between the underlayer and the substrate, and have good running properties can be produced.
Claims (1)
１着してなる強磁性金属薄膜を設けた磁気記録媒体にお
いて、基体に設けられたマンガン、クロム、チタン、マ
グネシウムのうち少なくとも一種類以上を含む第１下地
層と、該第１下地層の表面に設けられた非磁性金属を含
む第２下地層と、該第２下地層の表面に設ＧＪられた強
磁性金属薄膜とを有り−ることを特徴とする磁気記録媒
体。(1) One ferromagnetic metal is placed on a substrate made of polymer film.
In a magnetic recording medium provided with a ferromagnetic metal thin film, a first underlayer containing at least one of manganese, chromium, titanium, and magnesium provided on a substrate, and a surface of the first underlayer. 1. A magnetic recording medium comprising: a second underlayer containing a nonmagnetic metal provided on the surface of the second underlayer; and a ferromagnetic metal thin film provided on the surface of the second underlayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18483083A JPS6076016A (en) | 1983-10-03 | 1983-10-03 | Magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18483083A JPS6076016A (en) | 1983-10-03 | 1983-10-03 | Magnetic recording medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6076016A true JPS6076016A (en) | 1985-04-30 |
Family
ID=16160043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18483083A Pending JPS6076016A (en) | 1983-10-03 | 1983-10-03 | Magnetic recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6076016A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6593009B2 (en) | 2001-03-02 | 2003-07-15 | Hitachi Global Storage Technologies Netherlands N.V. | Magnetic thin film media with a pre-seed layer of CrTi |
| US6852430B2 (en) | 2001-03-02 | 2005-02-08 | Hitachi Global Storage Technologies Netherlands, B.V. | Magnetic thin film media with a pre-seed layer of CrTi |
-
1983
- 1983-10-03 JP JP18483083A patent/JPS6076016A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6593009B2 (en) | 2001-03-02 | 2003-07-15 | Hitachi Global Storage Technologies Netherlands N.V. | Magnetic thin film media with a pre-seed layer of CrTi |
| US6852430B2 (en) | 2001-03-02 | 2005-02-08 | Hitachi Global Storage Technologies Netherlands, B.V. | Magnetic thin film media with a pre-seed layer of CrTi |
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