JPS6040530A - Magnetic disk - Google Patents
Magnetic diskInfo
- Publication number
- JPS6040530A JPS6040530A JP14942984A JP14942984A JPS6040530A JP S6040530 A JPS6040530 A JP S6040530A JP 14942984 A JP14942984 A JP 14942984A JP 14942984 A JP14942984 A JP 14942984A JP S6040530 A JPS6040530 A JP S6040530A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- disk
- zone
- surface accuracy
- 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
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
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
Landscapes
- Magnetic Record Carriers (AREA)
Abstract
Description
【発明の詳細な説明】 〔発明の利用分野〕１一 本発明は磁気ディスクに関し、特にコンタク。[Detailed description of the invention] [Field of application of the invention] 11 The present invention relates to magnetic disks, and in particular to contacts.
トスタート／ストップ（以下「Ｃ８Ｓ」と称する）タイ
プの磁気ディスク装置に使用する磁気・ディスクに関す
る。The present invention relates to a magnetic disk used in a start/stop (hereinafter referred to as "C8S") type magnetic disk device.
〔発明の背景〕−５
磁気ディスク装置における記録密度の高密度化に伴って
、ヘッドの浮上高さを低くすることが必要になり、この
ために磁気ディスクの面粗さ精度（以下「面精度」とい
う）の向上が図ら。[Background of the Invention]-5 As the recording density of magnetic disk devices increases, it becomes necessary to lower the flying height of the head. ”).
れて来ている。ところが、面精度の向上した磁気ディス
クは、その保管時にヘッドが磁気ディ。It's coming. However, when storing magnetic disks with improved surface precision, the head is attached to the magnetic disk.
スフにコンタクトしたま才装置されると両者間。When I contacted Sufu, it was between the two of them.
に吸着現象が発生し、この状態で磁気ディスク。An adsorption phenomenon occurs on the magnetic disk in this state.
を回転させると前記両者間の吸着力によってへ゛ラドの
ジンバルを破壊してしまうという問題か生ずるに至った
。尚、このような吸着（粘着と。When rotated, a problem arose in that the adhesion force between the two would destroy the herad's gimbal. In addition, such adsorption (adhesion)
も呼ぶ）現象に注目した公知技術は、特開昭５４゜−８
４７１２号公報にディスク回転前にヘッドをシ。A known technique that focuses on the phenomenon (also called
No. 4712 discloses that the head is inserted before the disk rotates.
−りして吸着を除去するものが記載されている。It has been described that the adsorption can be removed by removing the adsorption.
が、この公知例は、一旦粘着したものを除去す１・るも
のである。However, in this known example, the adhesive is removed once it has become sticky.
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、従来の磁気ディスク・の上述の如き問
題を解消し、データ・ゾーンに１−。The present invention has been made in view of the above circumstances, and its purpose is to solve the above-mentioned problems of conventional magnetic disks, and to provide a 1-into data zone.
おいてはヘッドの適切な浮上高さを維持すると。Maintain an appropriate flying height of the head.
ともに保管時におけるヘッドと磁気ディスクと。Head and magnetic disk when both are stored.
の吸着現象を防止することを可能にした磁気デ。A magnetic device that makes it possible to prevent the adsorption phenomenon of
イスクを提供することにある。The purpose is to provide isk.
〔発明の概要〕２．。[Summary of the invention] 2. .
本発明の上記目的は、Ｃ８Ｓタイプの磁気ア゛イスク装
置に使用する磁気ディスクにおいて、゛Ｃ８Ｓ位置の面
精度をデータ・ゾーンの面精度゛より粗くした磁気ディ
スクによって達成されるみ〔発明の実施例〕
以下、本発明の一実施例を図面に基づいて詳゛細に説明
する。The above object of the present invention can be achieved by a magnetic disk used in a C8S type magnetic ice disk device, in which the surface accuracy of the C8S position is made rougher than the surface accuracy of the data zone. ] Hereinafter, one embodiment of the present invention will be described in detail based on the drawings.
第１図は本発明の一実施例を示す磁気ディス。FIG. 1 shows a magnetic disk showing one embodiment of the present invention.
りの平面図、第２図はその要部を示す断面図で゛ある。FIG. 2 is a sectional view showing the main parts thereof.
図において、１は磁気ディスク、２はコ１１−ティング
面を示す。才た、ＡはＣ８Ｓゾーン。In the figure, 1 indicates a magnetic disk, and 2 indicates a coating surface. Yes, A is in the C8S zone.
を、Ｂはデータ・ゾーンを示している。 ゛磁気ディス
ク１上に設けられたコーティング・面２のうち、Ｃ８Ｓ
ゾーンＡの面精度は図にも・模式的に示した如く、デー
タゾーンＢの面精度１−より粗く形成されている。この
ような面精度の。, B indicates the data zone.゛Of the coating/surface 2 provided on the magnetic disk 1, C8S
As shown schematically in the figure, the surface precision of zone A is formed to be rougher than that of data zone B, which has a surface precision of 1-. This kind of surface accuracy.
差は、例えば磁性体をコーティングした後、該。The difference is, for example, after coating with magnetic material.
コーテイング面２をバニッシュ加工する際のバ。This is used to burnish coating surface 2.
二ノシー回数を調整することによって形成する。Formed by adjusting the number of times.
ことができる。be able to.
磁気ディスクの面精度は、あるところまでは。The surface accuracy of magnetic disks is limited up to a certain point.
上記バニラシー回数と比例するので、Ｃ８Ｓゾ″−ンの
バニッシュ回数を少なめにコントロール゛することによ
り、目的の面精度を得ることかで“きる。Since it is proportional to the number of vanilla seams mentioned above, it is possible to obtain the desired surface accuracy by controlling the number of vanishings of the C8S zone to a smaller value.
第２図Ｃは、このバニラシー加工の状況を例。Figure 2C shows an example of this vanilla sea processing situation.
示したもので、この例では、Ｃ８Ｓゾーンに対。In this example, for the C8S zone.
しては２回、データゾーンに対しては４回のバ。2 times for the data zone and 4 times for the data zone.
ニッシュ加工を行っている。Nishi processing is performed.
なお、Ｃ８Ｓゾーンは上記実施例に示した如１″く磁気
ディスクの最内周だけではな（、油の任・意の位置にも
、同様の方法で形成させることが・できることは明らか
である。また、−に記Ｃ８Ｓ・ゾーンとデータゾーンと
の面精度の差は、他の・方法によって形成することを妨
げるものではな１）い。Note that the C8S zone is not limited to the innermost periphery of the magnetic disk as shown in the above embodiment (it is clear that it can be formed at any position in the oil by a similar method). Furthermore, the difference in surface precision between the C8S zone and the data zone described in - does not preclude formation by other methods.
以上述べた如く、本発明によれば、Ｃ８Ｓり。 As described above, according to the present invention, C8S.
イブの磁気ディスク装置に使用する磁気ディス。A magnetic disk used in Eve's magnetic disk device.
りにおいて、ＣＳＳ位置（ＣＳＳゾーン）の面、１゜精
度をデータゾーンの面精度より粗くしたこと′により、
データゾーンにおいてはヘッドの適切。By making the surface accuracy of the CSS position (CSS zone) 1° rougher than the surface accuracy of the data zone,
Appropriate head in data zone.
な浮−ト高さを維持するとともに、保管時におけ。It maintains a suitable floating height while being stored.
るヘッドと磁気ディスクとの吸着現象を完全に゛防止す
ることができるという顕著な実際的効果５を奏するもの
である。This has the remarkable practical effect 5 of being able to completely prevent the adhesion phenomenon between the head and the magnetic disk.
第１図は本発明の一実施例である磁気ディス゛りの平面
図、第２図はその要部を示す断面図で。
ある。 １ｆ１
１・・・磁気ディスク ２・・・コーテイング面Ａ・・
・Ｃ８Ｓゾーン ■３・・・データ拳ゾーン ′Ｃ・・
・バニッシュ加工の状況
５
第１図
第２図FIG. 1 is a plan view of a magnetic disk that is an embodiment of the present invention, and FIG. 2 is a sectional view showing the main parts thereof. be. 1f1 1...Magnetic disk 2...Coating surface A...
・C8S Zone ■3...Data Fist Zone 'C...
・Vanish processing status 5 Figure 1 Figure 2
Claims (1)
装置用磁気ディスクにおいて、スター５ト／ストツプ位
置の面精度をデータゾーンの面。 精度より粗くしたことを特徴とする磁気ディス。 り。[Claims] In a magnetic disk for a contact start/stop type magnetic disk device, the surface accuracy of the start/stop position is defined as the surface of the data zone. A magnetic disk characterized by roughness rather than precision. the law of nature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14942984A JPS6040530A (en) | 1984-07-20 | 1984-07-20 | Magnetic disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14942984A JPS6040530A (en) | 1984-07-20 | 1984-07-20 | Magnetic disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6040530A true JPS6040530A (en) | 1985-03-02 |
Family
ID=15474912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14942984A Pending JPS6040530A (en) | 1984-07-20 | 1984-07-20 | Magnetic disk |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6040530A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6386116A (en) * | 1986-09-30 | 1988-04-16 | Hoya Corp | Magnetic recording medium |
| US4939614A (en) * | 1987-04-03 | 1990-07-03 | Hitachi, Ltd. | Magnetic disk medium with circumferentially textured surfaces and varied surface roughness and method of producing the same |
| US5504646A (en) * | 1989-10-13 | 1996-04-02 | Hitachi, Ltd. | Magnetic disk including protective layer having surface with protusions and magnetic disk apparatus including the magnetic disk |
| EP0731453A1 (en) * | 1995-03-08 | 1996-09-11 | Nec Corporation | Magnetic disk drive and method manufacturing the same |
-
1984
- 1984-07-20 JP JP14942984A patent/JPS6040530A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6386116A (en) * | 1986-09-30 | 1988-04-16 | Hoya Corp | Magnetic recording medium |
| US4939614A (en) * | 1987-04-03 | 1990-07-03 | Hitachi, Ltd. | Magnetic disk medium with circumferentially textured surfaces and varied surface roughness and method of producing the same |
| US5504646A (en) * | 1989-10-13 | 1996-04-02 | Hitachi, Ltd. | Magnetic disk including protective layer having surface with protusions and magnetic disk apparatus including the magnetic disk |
| US5930073A (en) * | 1989-10-13 | 1999-07-27 | Hitachi, Ltd. | Magnetic disk including protective layer having surface with magnetic disk including protrusions, and magnetic disk apparatus including the magnetic disk |
| US6303205B1 (en) | 1989-10-13 | 2001-10-16 | Hitachi, Ltd. | Magnetic disk including protective layer having surface with protrusions, and substrate therefor |
| EP0731453A1 (en) * | 1995-03-08 | 1996-09-11 | Nec Corporation | Magnetic disk drive and method manufacturing the same |
| US5887336A (en) * | 1995-03-08 | 1999-03-30 | Nec Corporation | Method of preliminarily smoothing a magnetic disk drive head during manufacturing |
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