JPS595420A - Manufacture of magnetic recording medium - Google Patents
Manufacture of magnetic recording mediumInfo
- Publication number
- JPS595420A JPS595420A JP57115070A JP11507082A JPS595420A JP S595420 A JPS595420 A JP S595420A JP 57115070 A JP57115070 A JP 57115070A JP 11507082 A JP11507082 A JP 11507082A JP S595420 A JPS595420 A JP S595420A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic layer
- recording medium
- magnetic recording
- magnetic
- low
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
Landscapes
- Lubricants (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は磁性層の保護を改良した磁気記録媒体の製造方
法に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method of manufacturing a magnetic recording medium with improved protection of a magnetic layer.
プラスチックフィルム等の基体に強磁性体金属を斜めに
付着して磁性体層を形成した磁気記録媒体は、従来の塗
布型に比べて、磁気記録密度や抗磁力、角形比が優れて
おり、最近、実用化されるようになってきた。Magnetic recording media, in which a magnetic layer is formed by diagonally attaching ferromagnetic metal to a substrate such as a plastic film, have superior magnetic recording density, coercive force, and squareness compared to conventional coated media, and have been recently developed. , has come to be put into practical use.
ところで、このような磁気記録媒体を磁気テープ等とし
て走行させて用いる場合には磁気へ、ド等が磁性層を擦
り、損傷する恐れがあるので、磁性層の表面が保護され
るような磁気記録媒体が要求されている。By the way, when using such a magnetic recording medium as a magnetic tape or the like, there is a risk that the magnetic layer may be scratched and damaged by magnetism, so magnetic recording media that protects the surface of the magnetic layer should be used. Media is requested.
本発明は、上記の点に鑑み、磁性層を保護しうる磁気記
録媒体の製造方法の提供を目的とするものである。In view of the above points, the present invention aims to provide a method for manufacturing a magnetic recording medium that can protect the magnetic layer.
本発明は、上記の目的を達成するために、低分子ポリマ
ーを含有する磁性層を設け１次に前記低分子ポリマーを
重合する処理を施すことを特徴とする磁気記録媒体の製
造方法を提供するものである。In order to achieve the above object, the present invention provides a method for manufacturing a magnetic recording medium, which comprises: first providing a magnetic layer containing a low-molecular polymer; and then performing a process of polymerizing the low-molecular polymer. It is something.
また２本発明は、磁性層の表面に低分子ポリマーを含有
する保護層を形成し１次に、前記低分子ポリマーを重合
する処理を施すことを特徴とする磁気記録媒体の製造方
法を提供するものである。Further, the present invention provides a method for manufacturing a magnetic recording medium, which comprises forming a protective layer containing a low molecular weight polymer on the surface of the magnetic layer, and then performing a treatment of polymerizing the low molecular weight polymer. It is something.
以下９本発明の実施例を図面に基づいて説明する。Hereinafter, nine embodiments of the present invention will be described based on the drawings.
第１図において、１はポリエステル等の高分子フィルム
からなる基体である。２はこの基体１０表面に積層され
た磁性層であり、鉄や二、ケル。In FIG. 1, reference numeral 1 denotes a substrate made of a polymer film such as polyester. Reference numeral 2 denotes a magnetic layer laminated on the surface of this base 10, which is made of iron, 2, or chlorine.
コハル１、等の強磁性体金属を真空蒸着法やイオンブレ
ーティング法、スパンタリング法等により所定の入射角
度で基体１に斜めに付着するとともに。A ferromagnetic metal such as Kohar 1 is obliquely attached to the substrate 1 at a predetermined incident angle by a vacuum evaporation method, an ion blating method, a sputtering method, or the like.
ポリテトラフルオルエチレンやポリフン化ビニレン、六
フッ化プロピレン、ポリ７ノ化ビニリデン等の７．化化
合物、ポリエチレン、ポリ塩化ビニル等の低分子モノマ
ーを蒸発して基体１に付着して形成されている。そして
磁性層２の形成後、この磁性層２にイオンや中性粒子、
電子を照射あるいは注入することにより、また放電処理
を施すことによって磁性層２中の低分子モノマーを重合
する。7. Polytetrafluoroethylene, polyvinylene fluoride, propylene hexafluoride, polyvinylidene heptanide, etc. It is formed by evaporating a low-molecular-weight monomer such as a chemical compound, polyethylene, or polyvinyl chloride and attaching it to the substrate 1. After forming the magnetic layer 2, ions and neutral particles are added to the magnetic layer 2.
The low-molecular monomer in the magnetic layer 2 is polymerized by irradiating or injecting electrons or by performing a discharge treatment.
すなわち、磁性層２中の低分子ポリマーが重合されるの
で、磁性層２自体が潤滑性や耐候性な有するようにでき
、磁気ヘッド等により擦られても損傷することなく走行
がスムーズに行なわれる。That is, since the low molecular weight polymer in the magnetic layer 2 is polymerized, the magnetic layer 2 itself can have lubricity and weather resistance, and can run smoothly without being damaged even when rubbed by a magnetic head or the like. .
第２図は９本発明の他の実施例により製造した磁気記録
媒体を示し、基体１１に磁性層１２を形成した後、低分
子モノマーからなる保護層１３を形成。FIG. 2 shows a magnetic recording medium manufactured according to another embodiment of the present invention, in which a magnetic layer 12 is formed on a substrate 11, and then a protective layer 13 made of a low-molecular-weight monomer is formed.
次にこの保護層１３にイオンや中性流子、電子を照射等
することによって低分子モノマーを重合したものであり
、潤滑性や耐候性等を有する保護層１３が得られる。Next, this protective layer 13 is irradiated with ions, neutral liquids, electrons, etc. to polymerize low-molecular monomers, and the protective layer 13 having lubricity, weather resistance, etc. is obtained.
以上の通り１本発明によれば、走行等の際に磁性層を保
護しうる磁気記録媒体の製造方法が得られる。As described above, according to the present invention, there is provided a method for manufacturing a magnetic recording medium that can protect the magnetic layer during running or the like.
第１図は本発明の実施例により製造した磁気記録媒体の
断面図、第２図は本発明の他の実施例により製造した磁
気記録媒体の断面図を示す。
１．１１・・・・・・基体、２．１２・・・磁性層。
１３・・・・・・保護層。
特許出願人 日立コンデンサ株式会社FIG. 1 is a sectional view of a magnetic recording medium manufactured according to an embodiment of the invention, and FIG. 2 is a sectional view of a magnetic recording medium manufactured according to another embodiment of the invention. 1.11...Substrate, 2.12...Magnetic layer. 13...Protective layer. Patent applicant Hitachi Capacitor Co., Ltd.
Claims (2)
する磁気記録媒体の製造方法において、低分子ポリマー
を含有する磁性層を設け９次に前記低分子ポリマーを重
合する処理を施すことを特徴とする磁気記録媒体の製造
方法。(1) In a method for manufacturing a magnetic recording medium in which a magnetic layer is formed by attaching a ferromagnetic metal to a substrate, a magnetic layer containing a low-molecular polymer is provided, and then the low-molecular polymer is polymerized. A method of manufacturing a magnetic recording medium characterized by:
する磁気記録媒体の製造方法において、磁性層の表面に
低分子ポリマーを含有する保護層を形成し１次に、前記
低分子ポリマーを重合する処理を施すことを特徴とする
磁気記録媒体の製造方法。(2) In a method for manufacturing a magnetic recording medium in which a magnetic layer is formed by depositing a number of ferromagnetic metals on a substrate, a protective layer containing a low-molecular polymer is formed on the surface of the magnetic layer; A method for manufacturing a magnetic recording medium, which comprises performing a process of polymerizing a polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57115070A JPS595420A (en) | 1982-07-02 | 1982-07-02 | Manufacture of magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57115070A JPS595420A (en) | 1982-07-02 | 1982-07-02 | Manufacture of magnetic recording medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS595420A true JPS595420A (en) | 1984-01-12 |
Family
ID=14653427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57115070A Pending JPS595420A (en) | 1982-07-02 | 1982-07-02 | Manufacture of magnetic recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS595420A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60237635A (en) * | 1984-05-10 | 1985-11-26 | Matsushita Electric Ind Co Ltd | Production of magnetic recording medium |
| JPS61258333A (en) * | 1985-05-13 | 1986-11-15 | Fuji Photo Film Co Ltd | Production of magnetic recording medium |
| JPS62259222A (en) * | 1986-05-02 | 1987-11-11 | Tdk Corp | Magnetic recording medium and its production |
| JPS6374117A (en) * | 1986-09-18 | 1988-04-04 | Tdk Corp | Magnetic recording medium |
| JPS6381621A (en) * | 1986-09-25 | 1988-04-12 | Tdk Corp | Magnetic recording medium |
| JPS6386110A (en) * | 1986-09-29 | 1988-04-16 | Tdk Corp | Magnetic recording medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5077433A (en) * | 1973-11-13 | 1975-06-24 | ||
| JPS50123304A (en) * | 1974-03-13 | 1975-09-27 | ||
| JPS567232A (en) * | 1979-07-02 | 1981-01-24 | Fuji Photo Film Co Ltd | Production of magnetic recording medium |
| JPS5625232A (en) * | 1979-08-06 | 1981-03-11 | Sony Corp | Magnetic recording medium |
-
1982
- 1982-07-02 JP JP57115070A patent/JPS595420A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5077433A (en) * | 1973-11-13 | 1975-06-24 | ||
| JPS50123304A (en) * | 1974-03-13 | 1975-09-27 | ||
| JPS567232A (en) * | 1979-07-02 | 1981-01-24 | Fuji Photo Film Co Ltd | Production of magnetic recording medium |
| JPS5625232A (en) * | 1979-08-06 | 1981-03-11 | Sony Corp | Magnetic recording medium |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60237635A (en) * | 1984-05-10 | 1985-11-26 | Matsushita Electric Ind Co Ltd | Production of magnetic recording medium |
| JPS61258333A (en) * | 1985-05-13 | 1986-11-15 | Fuji Photo Film Co Ltd | Production of magnetic recording medium |
| JPS62259222A (en) * | 1986-05-02 | 1987-11-11 | Tdk Corp | Magnetic recording medium and its production |
| JPS6374117A (en) * | 1986-09-18 | 1988-04-04 | Tdk Corp | Magnetic recording medium |
| JPS6381621A (en) * | 1986-09-25 | 1988-04-12 | Tdk Corp | Magnetic recording medium |
| JPS6386110A (en) * | 1986-09-29 | 1988-04-16 | Tdk Corp | Magnetic recording medium |
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