JPH01166301A - Adhesion preventing mechanism for magnetic disk device - Google Patents
Adhesion preventing mechanism for magnetic disk deviceInfo
- Publication number
- JPH01166301A JPH01166301A JP32393287A JP32393287A JPH01166301A JP H01166301 A JPH01166301 A JP H01166301A JP 32393287 A JP32393287 A JP 32393287A JP 32393287 A JP32393287 A JP 32393287A JP H01166301 A JPH01166301 A JP H01166301A
- Authority
- JP
- Japan
- Prior art keywords
- disk
- head
- slider
- stopped
- contact
- 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
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、磁気ディスク装置に係り、特に円板停止時の
磁気ヘッド・円板間の粘着力の増加を防止するのに有効
な粘着防止機構に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a magnetic disk device, and in particular to an anti-adhesion method that is effective in preventing an increase in adhesive force between a magnetic head and a disk when the disk is stopped. Regarding the mechanism.
従来の装置は、特開昭５８−５０６７０号公報に記載力
よ５に磁気ディスク媒体の回転停止時の磁気ヘッドの待
機位置を潤滑剤が塗布されていない待機ゾーンとするこ
とにより、待機位置での媒体表面への吸着発生をなくす
となっていた。In the conventional device, as described in Japanese Patent Laid-open No. 58-50670, the standby position of the magnetic head when the rotation of the magnetic disk medium is stopped is set as a standby zone where no lubricant is applied. It was supposed to eliminate the occurrence of adsorption on the media surface.
一般に長時間ヘッドと円板が接触しているとこの接触面
に潤滑剤が集まり粘着力が増加する傾向がある。これを
防止する手段としては、コンタクトストップスタートの
領域の面粗さを粗くしたり潤滑剤付着量を他の部分より
少なくしたりする方法がある。Generally, when a head and a disk are in contact for a long time, lubricant tends to collect on this contact surface and the adhesive force increases. As a means to prevent this, there is a method of increasing the surface roughness of the contact stop/start area or reducing the amount of lubricant applied to the other area.
上記従来技術は１回転停止状態の湿度の影響の点につい
て配慮がされておらず、磁気ディスク装置を高湿度環境
で長時間放置した場合、ヘッドスライダ面と円板が常に
面接触しているために潤滑剤の塗布されていない待機ゾ
ーンにおいても大気中の水分によりヘッドと円板が粘着
するという問題があった。The above conventional technology does not take into account the influence of humidity when one rotation is stopped, and if the magnetic disk drive is left in a high humidity environment for a long time, the head slider surface and the disk are always in surface contact. Even in the standby zone where no lubricant was applied, there was a problem that the head and disc would stick together due to moisture in the atmosphere.
本発明の目的は１円板回転停止時に円板表面とへラドス
ライダ面が面接触しない構造により、磁気ディスク装置
を長時間放置した場合でもヘッドと円板の粘着力を増加
させないことにある。An object of the present invention is to prevent the adhesion between the head and the disk from increasing even when the magnetic disk device is left unused for a long time by using a structure in which the surface of the disk does not come into surface contact with the surface of the helad slider when one disk stops rotating.
上記目的は１円板の外周端にテーパ面を設け。 The above purpose is to provide a tapered surface on the outer peripheral edge of one circular plate.
円板回転停止時にヘッドスライダの外周側のレールを上
記テーバ部へ移動することで１円板表面とヘッドスライ
ダエツジのみが接触することにより達成される。This is achieved by moving the rail on the outer circumferential side of the head slider to the tapered portion when the disk rotation is stopped so that only the surface of one disk comes into contact with the head slider edge.
円板外周端にテーパ面を設け１円板停止時にヘッドの外
側スライダをテーパ面に移動させると。A tapered surface is provided at the outer peripheral edge of the disk, and the outer slider of the head is moved to the tapered surface when the disk is stopped.
円板平坦面とテーパ面に接触しているスライダエツジの
相対的な高さが変化するためスライダ面は円板平坦面及
びテーパ面に対しである角度を持つようになり、ヘッド
と円板は面接触することがなくなり接触面積を少なくす
ることができる。Since the relative height of the slider edge in contact with the flat and tapered surfaces of the disk changes, the slider surface has a certain angle with respect to the flat and tapered surfaces of the disk, and the head and disk form a plane. Since there is no contact, the contact area can be reduced.
〔実施例〕
以下１本発明の一実施例を第１図により説明する。第１
図は１円板停止時におけるヘッドの状態を示している。[Example] An example of the present invention will be described below with reference to FIG. 1st
The figure shows the state of the head when one disc is stopped.
ここで、１は円板平坦面、２はテーパ面、３はヘッド、
４はスライダー面。５はスライダエツジ、６はヘッド支
持機構である。Here, 1 is a flat disk surface, 2 is a tapered surface, 3 is a head,
4 is the slider surface. 5 is a slider edge, and 6 is a head support mechanism.
このように円板停止時には、ヘッド６の外側スライダが
テーパ面２の位置にヘッド支持機構により押付られてい
るため、ヘッド３と円板表面１及びテーパ面２はスライ
ダエツジ５のみにより接触している。このために接触面
積は非常に小さく長時間円板を停止しておいてもヘッド
と円板の粘着力が増加することはない。In this manner, when the disk is stopped, the outer slider of the head 6 is pressed against the tapered surface 2 by the head support mechanism, so the head 3 is in contact with the disk surface 1 and the tapered surface 2 only by the slider edge 5. . Therefore, the contact area is very small, and even if the disc is stopped for a long time, the adhesive force between the head and the disc will not increase.
円板を回転させる場合は１位置決機構（図示はしていな
い）により第２図に示す位置までヘッド３を移動しコン
タクトスタートを行なう。When rotating the disk, the head 3 is moved to the position shown in FIG. 2 by a first positioning mechanism (not shown) and a contact start is performed.
つぎに１本実施例のテーパ形状の寸法について述べる。Next, the dimensions of the tapered shape of this embodiment will be described.
ここでθはテーパ角、ｔはテーバ長を示している。テー
パ角θは２°〜６０°、テーパ長は０．１１以上が良好
であるが、ヘッド５の位置決め機構。Here, θ is the taper angle, and t is the Taper length. It is preferable that the taper angle θ is 2° to 60° and the taper length is 0.11 or more.
走査機構により妥当な値を選択する。The scanning mechanism selects a valid value.
さらに、別に考えられる実施例を第３図に示す。Furthermore, another possible embodiment is shown in FIG.
第３図（α）は、テーバ形状を第１図と逆にした場合。FIG. 3 (α) shows a case where the Taber shape is reversed from that in FIG.
第３図（ｂ）は、テーパ面を曲面にした場合の実施例で
めりヘッド３が円板停止時に面接触しないことは第１図
の場合と同様である。なお第３図（，６）の場合テーパ
面の曲率半径Ｒは２〜２０ｍが良好である、本実施例に
よれば、スライダ面４の接触面積を小さくするために、
スライダ面４にクラウニングを施すと同様の効果をヘッ
ドの浮上特性を劣下させることなく得られる。FIG. 3(b) shows an embodiment in which the tapered surface is a curved surface, and the fact that the cutting head 3 does not come into surface contact with the disk when it is stopped is the same as in the case of FIG. 1. In the case of FIG. 3 (, 6), the radius of curvature R of the tapered surface is preferably 2 to 20 m. According to this embodiment, in order to reduce the contact area of the slider surface 4,
When the slider surface 4 is crowned, a similar effect can be obtained without deteriorating the flying characteristics of the head.
本発明によれば、ヘッドと円板は面接触しないので長時
間円板を停止した状態においても粘着力の増加を防止す
ることができる。According to the present invention, since the head and the disc do not come into surface contact with each other, it is possible to prevent the adhesive force from increasing even when the disc is stopped for a long time.
また１円板平坦面に特別な加工を必要としないため、デ
ータ保存領域が減少することはないという効果がある。Furthermore, since no special processing is required on the flat surface of one disk, there is an advantage that the data storage area does not decrease.
第１図は本発明の一実施例の円板停止時のヘッドの側面
図、第２図は円板を回転させる場合のヘッドの側面図、
第６図は本実施例のテーパ形状の寸法について述べた説
明図でめる。
１・・・円板平坦面、 θ・・・テーパ角。
２・・・テーパ面、 ｔ・・・テーパ長。
５・・・ヘッド、 Ｒ・・・テーパ面曲率牛径
。
４・・・スライダ面。
５・・・スライダエツジ。
６・・・ヘッド支持機構。
代理人弁理士 小 川 勝 男！′FIG. 1 is a side view of the head when the disc is stopped according to an embodiment of the present invention, and FIG. 2 is a side view of the head when the disc is rotated.
FIG. 6 is an explanatory diagram describing the dimensions of the tapered shape of this embodiment. 1... Disk flat surface, θ... Taper angle. 2... Tapered surface, t... Taper length. 5...Head, R...Tapered surface curvature diameter. 4...Slider surface. 5...Slider edge. 6...Head support mechanism. Representative patent attorney Katsuo Ogawa! ′
Claims (1)
ディスク媒体）とコンタクト・スタート・ストップ方式
の磁気ヘッドから成る磁気ディスク装置において円板回
転停止時に磁気ヘッドを円板の外周端テーパ部に移動し
、テーパ部の形状によりヘッドスライダ面と円板表面の
接触面積を少なくし、円板停止時の磁気ヘッドと円板間
の粘着力の増加を防止することを特徴とする磁気ディス
ク装置の粘着防止機構。1. In a magnetic disk device consisting of a disk (magnetic disk medium) with a tapered part on the outer edge to prevent adhesion and a contact start/stop magnetic head, when the disk stops rotating, the magnetic head is moved to the outer edge of the disk. The magnetic head moves to the tapered part, and the shape of the tapered part reduces the contact area between the head slider surface and the disc surface, thereby preventing an increase in the adhesive force between the magnetic head and the disc when the disc is stopped. Anti-stick mechanism for disk devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32393287A JPH01166301A (en) | 1987-12-23 | 1987-12-23 | Adhesion preventing mechanism for magnetic disk device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32393287A JPH01166301A (en) | 1987-12-23 | 1987-12-23 | Adhesion preventing mechanism for magnetic disk device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166301A true JPH01166301A (en) | 1989-06-30 |
Family
ID=18160238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32393287A Pending JPH01166301A (en) | 1987-12-23 | 1987-12-23 | Adhesion preventing mechanism for magnetic disk device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166301A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006209913A (en) * | 2005-01-31 | 2006-08-10 | Toshiba Corp | Patterned magnetic recording medium, stamper for preparing patterned magnetic recording medium, manufacturing method of patterned magnetic recording medium, and magnetic recording and reproducing apparatus |
-
1987
- 1987-12-23 JP JP32393287A patent/JPH01166301A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006209913A (en) * | 2005-01-31 | 2006-08-10 | Toshiba Corp | Patterned magnetic recording medium, stamper for preparing patterned magnetic recording medium, manufacturing method of patterned magnetic recording medium, and magnetic recording and reproducing apparatus |
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