JPS59112463A - Magnetic head - Google Patents
Magnetic headInfo
- Publication number
- JPS59112463A JPS59112463A JP22204582A JP22204582A JPS59112463A JP S59112463 A JPS59112463 A JP S59112463A JP 22204582 A JP22204582 A JP 22204582A JP 22204582 A JP22204582 A JP 22204582A JP S59112463 A JPS59112463 A JP S59112463A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic head
- recording medium
- floppy disk
- position variation
- pressing force
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は可撓性記録媒体を使用する磁気記録装置用の磁
気ヘッドに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a magnetic head for a magnetic recording device using a flexible recording medium.
第1図に、従来、両面70ツビーデイスク装置に用いら
れている磁気ヘッドの構造を示す。本磁気ヘッドはキャ
リッジ1、該キャリッジ1に押さ。FIG. 1 shows the structure of a magnetic head conventionally used in a double-sided 70-bit disk device. This magnetic head is pushed onto the carriage 1.
えバネ9,10とともに板バネ9’、10’を介してナ
ラ)11.12で取付けられているスイングアーム2,
3、該スイングアーム2,3にそれぞれ取付けられたヘ
ッド支持バネ4,5、該ヘッド支持バネキ、5に取付け
られた電磁変換素子を内蔵する双胴スライダー6.7に
より構成されている。The swing arm 2, which is attached to the springs 9 and 10 together with the leaf springs 9' and 10' at 11.12,
3. It is composed of head support springs 4 and 5 attached to the swing arms 2 and 3, respectively, and a twin-body slider 6.7 that incorporates an electromagnetic conversion element attached to the head support springs and 5.
上記スイングアーム2,3はフロッピーディスク8の両
面に位置しており、動作時にはキャリッジの基準面21
.22に、押えバネ9,1oで押付けられた状態で使用
される。この状態において、1【)前記双胴スライダ6
.7は、ヘッド支持バネ手、・5によりフロッピーディ
スク8を挾み込む形で両面から押付けられて作動する。The swing arms 2 and 3 are located on both sides of the floppy disk 8, and during operation, the swing arms 2 and 3 are located on the reference plane 21 of the carriage.
.. 22, and is used in a state where it is pressed by presser springs 9 and 1o. In this state, 1 [) the twin body slider 6
.. Head support spring hands 7 are operated by being pressed from both sides to sandwich the floppy disk 8.
第2図囚は上側ヘッド支持バネ牛の詳細を示す斜視図、
第2図(B)は同側面図である。なお、下側。Figure 2 is a perspective view showing details of the upper head support spring;
FIG. 2(B) is a side view of the same. In addition, the bottom side.
ヘッド支持バネ5も同様の構造を有している。。The head support spring 5 also has a similar structure. .
上側ヘッド支持バネ(以下、単に「支持バネ」という。Upper head support spring (hereinafter simply referred to as "support spring").
)4は、双胴スライダ6に無方向の自由度を与えるジン
バル部13.負荷力を有するロードアーム15および該
ロードアーム15に取付け。) 4 is a gimbal portion 13 . A load arm 15 having a load force and attached to the load arm 15.
られたフック14により、p−ドブインプル16を介し
て双胴スライダ6をフロッピーディスク8に押付ける如
く構成されている。The double-bodied slider 6 is pressed against the floppy disk 8 by the attached hook 14 via the p-dove pull 16.
本磁気ヘッドにおいて問題となるのは、70ツビーデイ
スク8の位置変動 −70ツビーデイスク8は可撓性媒
体であるため、一般には300〜500μmのうねり変
形が起り得る。 −に対して、〃胴スライダ6.7が追
従しにくくなり、これが原因となって記録再生波形が乱
れることである。すなわち、筑3図(A)に示す如く、
7pツピーデイスク8が位置変動なしに基準位置(一点
鎖線17で示されている。)で動作している場合は、前
記ロードディンプル16に支持バネキから加えられる押
付は力Fは、双胴スライダ6の左右スライダからフロッ
ピーディスク8にFl−F、で均等に加えられる。とこ
ろが、第3図(B)に示す如く、。The problem with this magnetic head is the positional fluctuation of the 70-tube disk 8. Since the 70-tube disk 8 is a flexible medium, waviness deformation of 300 to 500 μm can generally occur. -, the cylinder slider 6.7 becomes difficult to follow, and this causes disturbance in the recording/reproducing waveform. In other words, as shown in Figure 3 (A),
When the 7p double disk 8 is operating at the reference position (indicated by a dashed line 17) without any positional change, the pressing force F applied from the support spring to the load dimple 16 is The data is added equally from the left and right sliders to the floppy disk 8 using Fl-F. However, as shown in FIG. 3(B).
70ツビーデイスク8が基準位置から8だけ位置変動し
た場合、双胴スライダ6は高さ方向にずれるため、左右
スライダによりフロッピーディスク8に加えられる押付
は力はF+ ) Fsとなり不均1になる。When the 70-tube disk 8 moves by 8 from the reference position, the twin-body slider 6 shifts in the height direction, so the pressing force applied to the floppy disk 8 by the left and right sliders becomes F+) Fs, resulting in an uneven force of 1.
第4図はフロッピーディスク8の位置変動量δと双胴ス
ライダ6の左右スライダの押付は力との関係の一例を示
すものである。この例では分力5gf以上(図の斜線の
部分)が許容し得る範囲である。いずれか片側のスライ
ダの押付は力が上記許容範囲を外れて小さくなると、記
録再生波形が乱れる不具合を生ずることになる。上述の
例では、フロッピーディスク8の位置変動がO03闘を
越えると記録再生波形に乱れを生ずる。 H
1上述の如き問題に対する解決方法として、 。FIG. 4 shows an example of the relationship between the amount of positional variation δ of the floppy disk 8 and the pressing force of the left and right sliders of the twin-body slider 6. In this example, a component force of 5 gf or more (the shaded area in the figure) is an allowable range. When pressing the slider on either side, if the force falls outside the above-mentioned allowable range and becomes small, a problem will occur in which the recording and reproducing waveforms will be disturbed. In the above example, if the positional fluctuation of the floppy disk 8 exceeds O03, disturbances occur in the recording/reproducing waveform. H
1. As a solution to the above-mentioned problem,
α)ヘッドの押付は力を大きくして記録媒体の位置変動
を規定値内に押える方法。α) Head pressing is a method of increasing force to suppress positional fluctuations of the recording medium within a specified value.
?)ヘッドの自由度を規1制して(例えば片側の双胴ス
ライダを固定する等)記録媒体をヘッドに倣わせる方法
。? ) A method of making the recording medium follow the head by restricting the degree of freedom of the head (for example, by fixing a twin-body slider on one side).
等が提案されている。しかしながら、これらの方法では
、記録媒体に定常的に過大な押付は力が作用するため、
接触摩耗により記録媒体の寿命を短くすることになると
いう欠点がある。 2゜〔発明の目的〕
本発明は上記事情に鑑みてなされたもので、その目的と
するところは、従来の磁気ヘッドにおける上述の如き欠
点を除去し、記録媒体に定常的に・過大な押付は力を作
用させることなしに記録媒体の位置変動を押え、磁気ヘ
ッドと記録媒体との相対位置変化による特性劣化を防止
可能な磁気へツ・ドを提供することにある。etc. have been proposed. However, in these methods, constant excessive pressure on the recording medium causes force to act on it, so
A drawback is that contact wear shortens the life of the recording medium. 2゜[Object of the Invention] The present invention has been made in view of the above circumstances, and its purpose is to eliminate the above-mentioned drawbacks of conventional magnetic heads, and to eliminate constant and excessive pressure on the recording medium. The object of the present invention is to provide a magnetic head that can suppress positional fluctuations of a recording medium without applying force and prevent characteristic deterioration due to changes in the relative position between the magnetic head and the recording medium.
本発明の要点は、可撓性記録媒体を使用する磁)気記録
装置に用いられる。前記記録媒体に押付けられ、かつ、
該記録媒体の位置変動に対して無方向の自由度を有する
支持構造の磁気ヘッドにおいて、前記記録媒体への押付
は力を与える第1の付勢部材の他に、記録媒体の位置変
動がある一定値5を越えた場合にのみ作用する第2の磁
気ヘッド押付は付勢部材を設けた点にある。The gist of the invention is for use in magnetic recording devices that use flexible recording media. pressed against the recording medium, and
In the magnetic head having a support structure that has a degree of freedom in no direction with respect to positional fluctuations of the recording medium, in addition to the first biasing member that applies force, the pressing against the recording medium is caused by positional fluctuations of the recording medium. The second magnetic head pressing, which is activated only when the constant value 5 is exceeded, is provided with a biasing member.
以下、本発明の実施例を図面に基づいて詳細に説明する
。 2゜第5図は
本発明の一実施例である磁気ヘッドの。Embodiments of the present invention will be described in detail below with reference to the drawings. 2. FIG. 5 shows a magnetic head which is an embodiment of the present invention.
要部を示す側面図である。本実施例に示した磁気ヘッド
は、第1図に示した従来の両面フロッピー゛ディスクM
lt用磁気ヘッドに、フロッピーディス゛りの位置変動
が所定値を越えた場合にのみ作用する第2の負荷バネ1
8.19を取付けたものであ・る。なお、符号2〜8は
竿1図に示したと同じ構成要素を示し、14.14’は
糖2図(イ)、但)に示し・たと同じフックである。FIG. 3 is a side view showing main parts. The magnetic head shown in this embodiment is compatible with the conventional double-sided floppy disk M shown in FIG.
A second load spring 1 acts on the LT magnetic head only when the positional fluctuation of the floppy disk exceeds a predetermined value.
8.19 is installed. Note that numerals 2 to 8 indicate the same constituent elements as shown in Figure 1 of the rod, and 14 and 14' are the same hooks as shown in Figure 2 (A) and 2).
第2の負荷バネ18.19は、フロッピーディスOスク
8が基準位置から所定値gだけ位置変動したときに、初
めて7ツク14または14′に当接し付勢力を及はす如
く、フック14.14’の基準位置とそれぞれgだけの
間隙を有してスイングアーム・2.3に取付けられてい
る。上記間隙の値gとし5ては、例えば、第4図に示し
た限界値Q、3mより。The second load springs 18 and 19 are arranged so that the second load springs 18 and 19 contact the hooks 14 and 14' and exert a biasing force only when the floppy disk 8 moves by a predetermined value g from the reference position. They are attached to the swing arm 2.3 with a gap of g from the reference position of 14'. The above-mentioned gap value g is, for example, based on the limit value Q of 3 m shown in FIG.
小さい0.25鴎が用いられる。また、第2の負荷。A small 0.25 seagull is used. Also, a second load.
バネ18.19の剛性は例えば5gf/w+とする。。The rigidity of the springs 18 and 19 is, for example, 5 gf/w+. .
上述の如く構成された本実施例の磁気ヘッドは。The magnetic head of this embodiment is constructed as described above.
フロッピーディスク8の位置変動が前記gより小。The positional fluctuation of the floppy disk 8 is smaller than the above g.
さい間は、従来の磁気ヘッドと同じ挙動を示す。。The gap exhibits the same behavior as a conventional magnetic head. .
しかじ、フロッピーディスク8の位置変動が前記g以上
になると、磁気ヘッドもそれに伴って移動してフック1
4(または14′)が前記第2の負荷バネ18(または
19)に当接し、該第2の負荷バネ18(または19)
の押付は力が、支持バネ4(または5)の押付は力にプ
ラスされる。 。However, when the positional fluctuation of the floppy disk 8 exceeds the above g, the magnetic head also moves accordingly and the hook 1 is moved.
4 (or 14') contacts the second load spring 18 (or 19), and the second load spring 18 (or 19)
The pressing of the support spring 4 (or 5) adds to the force. .
これにより、フロッピーディスク8のそれ以上の位置変
動が押えられ、双胴スライダ6(または7)。As a result, further positional fluctuations of the floppy disk 8 are suppressed, and the double body slider 6 (or 7).
によりフロッピーディスク8に加えられる押付け0力の
低下が妨げられるため、磁気ヘッドとフロッピーディス
ク8との安定した接触が保たれる。。Since this prevents the zero pressing force applied to the floppy disk 8 from decreasing, stable contact between the magnetic head and the floppy disk 8 is maintained. .
第2の負荷バネ18.19の材質、形状等は任意に選択
することができる。また、その剛性およ。The material, shape, etc. of the second load springs 18 and 19 can be arbitrarily selected. Also, its rigidity.
び前記rl*1隙の値gは許容される範囲内で自由に汲
定することができる。and the value g of the rl*1 gap can be freely determined within an allowable range.
以上述べた如く、本発明によれば、可撓性記録媒体を使
用する磁気記録装置の磁気ヘッドにおいて、前記記録媒
体への押付は力を与える第1の住勢部材の他に、記録媒
体の位置変動がある一定値を越えた場合にのみ作用する
第2の磁気ヘッド押付は付勢部材を設けたので、記録媒
体に定常的に過大な押付は力を作用させることなしに記
録媒体の位置変動を押え、磁気ヘッドと記録媒体との相
・対位置変化による特性劣化を防止可能な磁笥、ヘッド
を実現できるという顕著な実用的効果を奏するものであ
る。As described above, according to the present invention, in the magnetic head of a magnetic recording device using a flexible recording medium, the pressing force against the recording medium is A biasing member is provided to press the second magnetic head, which acts only when the positional fluctuation exceeds a certain value. Therefore, if the pressure is constantly excessively applied to the recording medium, the position of the recording medium can be changed without applying any force. This has a remarkable practical effect in that it is possible to realize a magnetic bowl and a head that can suppress fluctuations and prevent characteristic deterioration due to changes in the relative position between the magnetic head and the recording medium.
第1図は従来の磁気ヘッドを示す一部断面側面1図、第
2図(A)、(B)は支持バネの詳細を示す斜視図およ
び側面図、第3図(8)、に)はフロッピーディスクの
位置変動と双胴スライダの押付は力の変化どの関係を説
明する図、第4図はその定量的関係を例示するグラフ、
第5図は本発明の一実施例を水す側面図である。
1:キャリア、2.3!スイングアーム、4.。
5;フック、6,7+双胴スライダ、8:フロラ。
ビーディスク、13.13’iジンバル部、14.。
14′:フック、1f1.16’iロードデインプル、
1(118,1Qj第2の負荷バネ。
特許出願人 株式会社 日立製作所
第 1 図
0
第 2 図■
第 2 図[有])Fig. 1 is a partially sectional side view showing a conventional magnetic head, Figs. 2 (A) and (B) are perspective and side views showing details of the support spring, and Figs. 3 (8) and 3) are A diagram explaining the relationship between the change in force between the positional fluctuation of the floppy disk and the pressing of the twin slider, and Figure 4 is a graph illustrating the quantitative relationship.
FIG. 5 is a side view of one embodiment of the present invention. 1: Career, 2.3! swing arm, 4. . 5; Hook, 6, 7 + twin body slider, 8: Flora. B disk, 13. 13'i gimbal section, 14. . 14': Hook, 1f1.16'i road dimple,
1 (118, 1Qj second load spring. Patent applicant: Hitachi, Ltd. No. 1 Fig. 0 Fig. 2 ■ Fig. 2 [available])
Claims (1)
前記記録媒体に押付けられ、かつ、該記録媒体の位置変
動に対して無方向の自由度を有する支持構造の磁気ヘッ
ドにおいて、前記記録媒体への押付は力を与える第1の
付勢部材の他に、記録媒体の位置変動がある一定値を越
えた場合にの・み作用する第2の磁気ヘッド押付は付勢
部材を設けたことを特徴とする磁気ヘッド。Used in magnetic recording devices that use flexible recording media,
In a magnetic head having a support structure that is pressed against the recording medium and has a degree of freedom in no direction with respect to positional fluctuations of the recording medium, the pressing against the recording medium is performed by a first biasing member that applies a force, and the like. The magnetic head is characterized in that the second magnetic head press is provided with a biasing member that acts only when the positional fluctuation of the recording medium exceeds a certain value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22204582A JPS59112463A (en) | 1982-12-20 | 1982-12-20 | Magnetic head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22204582A JPS59112463A (en) | 1982-12-20 | 1982-12-20 | Magnetic head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59112463A true JPS59112463A (en) | 1984-06-28 |
Family
ID=16776225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22204582A Pending JPS59112463A (en) | 1982-12-20 | 1982-12-20 | Magnetic head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59112463A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62113456U (en) * | 1986-01-09 | 1987-07-18 | ||
KR100352339B1 (en) * | 1998-03-12 | 2002-09-12 | 티아크 가부시키가이샤 | Disk apparatus |
-
1982
- 1982-12-20 JP JP22204582A patent/JPS59112463A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62113456U (en) * | 1986-01-09 | 1987-07-18 | ||
KR100352339B1 (en) * | 1998-03-12 | 2002-09-12 | 티아크 가부시키가이샤 | Disk apparatus |
US6542338B1 (en) | 1998-03-12 | 2003-04-01 | Teac Corporation | Disk apparatus |
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