JPH0391174A - Magnetic head - Google Patents
Magnetic headInfo
- Publication number
- JPH0391174A JPH0391174A JP22694889A JP22694889A JPH0391174A JP H0391174 A JPH0391174 A JP H0391174A JP 22694889 A JP22694889 A JP 22694889A JP 22694889 A JP22694889 A JP 22694889A JP H0391174 A JPH0391174 A JP H0391174A
- Authority
- JP
- Japan
- Prior art keywords
- slider
- magnetic
- magnetic medium
- rotation
- magnetic head
- 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
- 238000013459 approach Methods 0.000 claims abstract description 5
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 101150093826 par1 gene Proteins 0.000 description 1
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は磁気ヘッドに関し、特に高速フロッピディスク
装置に使用される磁気ヘッドの形状に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a magnetic head, and particularly to the shape of a magnetic head used in a high-speed floppy disk device.
（従来の技術）
フロッピディスク装置は、磁気ヘッドを可撓性の磁気媒
体に接触させて磁気媒体上にデータを記録したり磁気Ｉ
Ａ棒体上らデータを読出したりしている。そして、磁気
媒体の記憶容量を増大させるため、磁気ａ体の両面にデ
ータが記録されている。(Prior Art) A floppy disk device records data on a magnetic medium by bringing a magnetic head into contact with a flexible magnetic medium, and records data on a magnetic medium by bringing a magnetic head into contact with a flexible magnetic medium.
Data is read from the top of the A rod. In order to increase the storage capacity of the magnetic medium, data is recorded on both sides of the magnetic a body.
第７図はこのようなフロッピディスク装置の磁気へ・ｙ
ド部の斜視図である。基台７に板バネ６が取り付けられ
ており、この板バネ６にスライダ２０ａが取り付けらて
いる。そして、基台７の板バネ６が取り付けられている
端部にはシールドカバー１２ａが取り付けられている。Figure 7 shows the magnetic field of such a floppy disk device.
FIG. A plate spring 6 is attached to the base 7, and a slider 20a is attached to the plate spring 6. A shield cover 12a is attached to the end of the base 7 where the leaf spring 6 is attached.
負荷アーム８と板状部材９とは一体化されている。１！
状部材９はおさえ板１０と基台７とに挾まれている。お
さえ板１０と板状部材９と基台７とはネジ２２により一
体的に固着されている。この負荷アーム８にスライダ２
０ｂが取り付けられている、＊前アーム８のスライダ２
０ｂが取り付けられている端部にはシールドカバー１２
ｂが取り付けられている。そして、負荷アーム８は負荷
バネ１１により基台７の方向に押圧されている。スライ
ダ２０ａ、２Ｏｂ間に矢印Ｘ方向に回転する磁気！ａ＃
１が挿入されている。The load arm 8 and the plate member 9 are integrated. 1!
The shaped member 9 is held between a holding plate 10 and a base 7. The holding plate 10, the plate-like member 9, and the base 7 are integrally fixed with screws 22. Slider 2 is attached to this load arm 8.
0b is attached, *slider 2 of forearm 8
A shield cover 12 is attached to the end where 0b is attached.
b is attached. The load arm 8 is pressed toward the base 7 by a load spring 11. Magnetism rotating in the direction of arrow X between sliders 20a and 2Ob! a#
1 is inserted.
第８図はスライダ２０ａ、２０ｂの構造を示す斜視図で
ある。スライダ部材１６ａ、１６ｂで磁気コアラを挟持
している。スライダ部材１６ａには空気溝３が形成され
ており、磁気コアラにはギャップ１４．１５が設けられ
ている。FIG. 8 is a perspective view showing the structure of the sliders 20a and 20b. A magnetic corer is held between slider members 16a and 16b. An air groove 3 is formed in the slider member 16a, and a gap 14.15 is provided in the magnetic corer.
磁気媒体１が矢印Ｘの方向に高速に回転すると、第９図
（ａ）に示すように、磁気媒体１の表面近くに空気流が
発生して端面２１に当たる、端面２１に当たる空気流の
うちの主要部分は、第９図（ｂ）に示すように、スライ
ダ１６に形成されている空気溝３を流れる。しかし、こ
の空気溝３で流れきれない空気流は、第９図（Ｃ）に示
すように、スライダ１６と磁気媒体１との間に流れ込ん
でしまう、この結果、スライダ１６と磁気媒体１との間
の空気流によりスライダ１６と磁気媒体１との間隔が適
正値より大きくなることがある。When the magnetic medium 1 rotates at high speed in the direction of arrow X, as shown in FIG. The main part flows through the air groove 3 formed in the slider 16, as shown in FIG. 9(b). However, the airflow that cannot flow through the air groove 3 ends up flowing between the slider 16 and the magnetic medium 1, as shown in FIG. 9(C). The gap between the slider 16 and the magnetic medium 1 may become larger than an appropriate value due to the airflow between them.
（発明が解決しようとする課題）
上述したように、従来の磁気ヘッドでは、磁気媒体の回
転により生じた空気流によりスライダが上昇させられて
スライダと磁気媒体との間隔が適正値より大きくなる。(Problems to be Solved by the Invention) As described above, in the conventional magnetic head, the slider is raised by the air flow generated by the rotation of the magnetic medium, and the distance between the slider and the magnetic medium becomes larger than an appropriate value.
従って、スライダに設けられている磁気コアのギャップ
と磁気媒体との間隔も適正値より大きくなるので、磁気
媒体にデータを書き込んだり磁気媒体からデータを読み
出したりする動作が不安定になる。このように、従来の
磁気ヘッドには解決すべき課題があった。Therefore, the distance between the gap between the magnetic core provided in the slider and the magnetic medium becomes larger than an appropriate value, and the operation of writing data to or reading data from the magnetic medium becomes unstable. As described above, conventional magnetic heads have had problems that need to be solved.
本発明は、このような事情に鑑みてなされたものであり
、その目的は、磁気媒体の回転のために発生した空気流
により磁気ヘッドと磁気媒体との間隔が適正な値になる
磁気ヘッドを提供することにさる。The present invention has been made in view of the above circumstances, and its purpose is to provide a magnetic head in which the distance between the magnetic head and the magnetic medium is adjusted to an appropriate value by the air flow generated due to the rotation of the magnetic medium. Saru to provide.
（課題を解決するための手段）
本発明の磁気ヘッドは、上記目的を遠戚するために、所
定の方向に回転する可撓性の記憶媒体にスライダの底面
が摺接され該スライダの底面に前記記憶媒体の回転軸に
直交する方向に延べれた帯状の溝が設けられており、該
渭の延設方向の略中央部に対応した位置にギャップを前
記底面に臨ませた磁気コアが設けられた磁気ヘッドにお
いて、前記溝の延設方向に直交する面における前記スラ
イダの幅は、前記記憶媒体の各点が回転により近接する
側の端部から前記ギャップのある部分の近傍に近ずくに
従って漸次に増大している。(Means for Solving the Problems) In order to remotely achieve the above object, the magnetic head of the present invention has a slider whose bottom surface is in sliding contact with a flexible storage medium that rotates in a predetermined direction. A band-shaped groove extending in a direction perpendicular to the rotation axis of the storage medium is provided, and a magnetic core with a gap facing the bottom surface is provided at a position corresponding to approximately the center of the band in the extending direction. In the magnetic head, the width of the slider in a plane perpendicular to the direction in which the grooves extend is such that the width of the slider increases as the distance from the end of the storage medium to which each point of the storage medium approaches due to rotation approaches the gap portion. It is gradually increasing.
（実施例）
次に、本発明の実施例について図面を参照して詳細に説
明する。(Example) Next, an example of the present invention will be described in detail with reference to the drawings.
第１図は本発明に係る磁気ヘッドにおけるスライダの斜
視図である。第８図と同一符号は同一部分を示す、第８
図と異なる点は、スライダの形状を変えた点である。具
体的には、第８Ｕｆ！Ｕにおける四角柱状のスライダ部
材１６ａ、１６ｂを三角柱状のスライダ部材４ａ、４ｂ
に変更したことである。従って、スアライダ２の底面の
幅は、端面１９から漸次に広がり、磁気コアラのギャッ
プ１５に相当する位置から漸次に狭まっている。第２図
はスライダ２の横斜視図である。第３図はスライダ２の
分解斜視図である。空気溝３が形成されたスライダ部材
４ａに磁気コアラが取り付けられる。この磁気コアラに
スライダ部材４ｂおよびバックパー１３が取り付けられ
る。バックパー１３にはコイル１７．１８が施されてい
る。FIG. 1 is a perspective view of a slider in a magnetic head according to the present invention. The same symbols as in Fig. 8 indicate the same parts.
The difference from the figure is that the shape of the slider has been changed. Specifically, the 8th Uf! The quadrangular prism-shaped slider members 16a and 16b in U are replaced with the triangular prism-shaped slider members 4a and 4b.
This was changed to . Therefore, the width of the bottom surface of the slider 2 gradually increases from the end surface 19 and gradually narrows from the position corresponding to the gap 15 of the magnetic corer. FIG. 2 is a side perspective view of the slider 2. FIG. FIG. 3 is an exploded perspective view of the slider 2. A magnetic corer is attached to the slider member 4a in which the air groove 3 is formed. A slider member 4b and a backper 13 are attached to this magnetic corer. The back par 13 is provided with coils 17 and 18.
次に、磁気媒体１を矢印Ｘ方向に高速に回転させたとき
に発生する空気の流れについて説明する。Next, the air flow that occurs when the magnetic medium 1 is rotated at high speed in the direction of arrow X will be explained.
第４図（ａ）に示すように、磁気媒体１の回転により発
生した空気流は、スライダ２の前端１９に当たる、この
空気流の大部分は、第４図（ｂ）に示すように空気溝３
を流れる。そして空気溝３で流れきれない空気流はスラ
イダの両端面に沿って流れ、スライダ２と磁気媒体１と
の間には入り込まない。As shown in FIG. 4(a), the airflow generated by the rotation of the magnetic medium 1 hits the front end 19 of the slider 2. Most of this airflow is directed into the air groove as shown in FIG. 4(b). 3
flows. The airflow that cannot flow through the air groove 3 flows along both end faces of the slider and does not enter between the slider 2 and the magnetic medium 1.
第５図は本発明の第２の実施例におけるスライダを示す
斜視図である。この実施例においてはスライダは、ギャ
ップ１５から前端１９側だけがくさび形をしており、ギ
ャップ１５から後に到る間では四角柱状をしている。FIG. 5 is a perspective view showing a slider in a second embodiment of the invention. In this embodiment, the slider has a wedge shape only from the gap 15 to the front end 19 side, and has a square column shape from the gap 15 to the rear side.
第６図は本発明の第３の実施例におけるスラメダを示す
斜視図である。第２の実施例ではくさて形をなす斜面が
平面であるが、この第３の実施Ｏではくさび形をなす斜
面が図示の如き曲面をなｔている。FIG. 6 is a perspective view showing a slameda according to a third embodiment of the present invention. In the second embodiment, the wedge-shaped slope is a flat surface, but in the third embodiment O, the wedge-shaped slope is a curved surface as shown.
（発明の効果）
以上に説明したように、本発明の磁気ヘッドむよれば、
磁気媒体が高速に回転することにより多生する空気流で
磁気ヘッドと磁気媒体との間隔ｉ広くなることを防止で
きる。そこで本発明の磁うヘッドを採用すれば、磁気媒
体に対する書き込ノおよび読み出し動作を安定に行うこ
とができる。(Effects of the Invention) As explained above, according to the magnetic head of the present invention,
It is possible to prevent the gap i between the magnetic head and the magnetic medium from increasing due to the large air flow generated by the high speed rotation of the magnetic medium. Therefore, by employing the magnetic head of the present invention, writing and reading operations on a magnetic medium can be performed stably.
第１図は本発明の第１
上方から見た斜視図、
第２図は本発明の第１
上方から見た斜視図、
第３図は本発明の第１
の実施例を媒体面側の１
の実施例を媒体面側の杢
の実施例の分解斜視図、
第４図は第１の実施例におけるスライダまわりの空気流
を示す図、
第５図は本発明の第２の実施例におけるスライダを示す
斜視図、
第６図は本発明の第３の実施例におけるスライダを示す
斜視図、
第７図は従来の磁気ヘッドの構造を示す斜視図、第８図
は従来の磁気ヘッドにおけるスライダを示す斜視図、
第９図は従来の磁気ヘッドにおけるスライダまわりの空
気流を示す図である。
１・・・媒体、２・・・スライダ、３・・・空気溝、４
ａ。
４ ｂ ＋ ４ ｃ ＊ ４ ｄ 、４ ｅ 、４ ｆ
ｔ １６ ａ 、１６ ｂ・・・スライダ部材、５・
・・磁気コア、６・・・板バネ、７・・・基台、８・・
・負荷アーム、９・・・板状部材、１０・・・おさえ板
、１１・・・負荷バネ、１２ａ。
１２ｂ・・・シールドカバー １３・・・バックパー１
４．１５・・・ギャップ、１７．１８・・・コイル。
第１図
ム０
第２図
第３図
（Ｑ）
フ
（ｂ）
第４図
４ｄスフイ９″邪林
第５図
第６図
（ｂ）
６
（Ｃ）
第９図FIG. 1 is a perspective view of the first embodiment of the present invention seen from above, FIG. 2 is a perspective view of the first embodiment of the present invention seen from above, and FIG. 3 is a perspective view of the first embodiment of the present invention viewed from above. Fig. 4 is a diagram showing the air flow around the slider in the first embodiment, Fig. 5 is a slider in the second embodiment of the present invention. 6 is a perspective view showing a slider in a third embodiment of the present invention, FIG. 7 is a perspective view showing the structure of a conventional magnetic head, and FIG. 8 is a perspective view showing a slider in a conventional magnetic head. FIG. 9 is a perspective view showing air flow around a slider in a conventional magnetic head. 1... Medium, 2... Slider, 3... Air groove, 4
a. 4 b + 4 c * 4 d, 4 e, 4 f
t 16 a, 16 b...Slider member, 5.
... Magnetic core, 6... Leaf spring, 7... Base, 8...
- Load arm, 9... plate-shaped member, 10... holding plate, 11... load spring, 12a. 12b...Shield cover 13...Back par 1
4.15... Gap, 17.18... Coil. Figure 1 Mu 0 Figure 2 Figure 3 (Q) Fu (b) Figure 4 4d Sufi 9'' Evil Forest Figure 5 Figure 6 (b) 6 (C) Figure 9
Claims (1)
面が摺接され該スライダの底面に前記記憶媒体の回転軸
に直交する方向に延べれた帯状の溝が設けられており、
該溝の延設方向の略中央部に対応した位置にギャップを
前記底面に臨ませた磁気コアが設けられた磁気ヘッドに
おいて、前記溝の延設方向に直交する面における前記ス
ライダの幅は、前記記憶媒体の各点が回転により近接す
る側の端部から前記ギャップのある部分の近傍に近ずく
に従つて漸次に増大していることを特徴とする磁気ヘッ
ド。The bottom surface of the slider is in sliding contact with a flexible storage medium rotating in a predetermined direction, and a band-shaped groove extending in a direction perpendicular to the rotation axis of the storage medium is provided on the bottom surface of the slider,
In a magnetic head provided with a magnetic core with a gap facing the bottom surface at a position corresponding to a substantially central portion in the extending direction of the groove, the width of the slider in a plane perpendicular to the extending direction of the groove is: A magnetic head characterized in that each point of the storage medium gradually increases as it approaches the vicinity of the gap portion from the end portion on the side closer to it due to rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22694889A JPH0391174A (en) | 1989-08-31 | 1989-08-31 | Magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22694889A JPH0391174A (en) | 1989-08-31 | 1989-08-31 | Magnetic head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0391174A true JPH0391174A (en) | 1991-04-16 |
Family
ID=16853125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22694889A Pending JPH0391174A (en) | 1989-08-31 | 1989-08-31 | Magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0391174A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100532474B1 (en) * | 2002-10-07 | 2005-12-01 | 삼성전자주식회사 | Head gimbal assembly, actuator and disk drive and method of operating disk drive |
-
1989
- 1989-08-31 JP JP22694889A patent/JPH0391174A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100532474B1 (en) * | 2002-10-07 | 2005-12-01 | 삼성전자주식회사 | Head gimbal assembly, actuator and disk drive and method of operating disk drive |
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