JPH04102282A - Magnetic disk device - Google Patents
Magnetic disk deviceInfo
- Publication number
- JPH04102282A JPH04102282A JP21748690A JP21748690A JPH04102282A JP H04102282 A JPH04102282 A JP H04102282A JP 21748690 A JP21748690 A JP 21748690A JP 21748690 A JP21748690 A JP 21748690A JP H04102282 A JPH04102282 A JP H04102282A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- media
- disk media
- disk medium
- medium
- 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
- 125000006850 spacer group Chemical group 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 abstract description 10
- 239000011521 glass Substances 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract 3
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
技術分野
本発明は磁気ディスク装置に関し、特に磁気ディスク媒
体をスピンドルに固定する構造に関する。TECHNICAL FIELD The present invention relates to a magnetic disk drive, and more particularly to a structure for fixing a magnetic disk medium to a spindle.
従来技術
従来、この種の磁気ディスク装置においては、第４図に
示すように、磁気ディスク媒体８−１．８−２とスペー
サリング９−１〜９−８とを積み重ねて実装し、上から
力を加えてスペーサリング９−１〜９−３で磁気ディス
ク媒体８−１．８−２を挾むようにして、磁気ディスク
媒体８−１．８−２をスピンドル３に固定していた。Prior Art Conventionally, in this type of magnetic disk drive, as shown in FIG. 4, magnetic disk media 8-1, 8-2 and spacer rings 9-1 to 9-8 are stacked and mounted, and the The magnetic disk medium 8-1.8-2 was fixed to the spindle 3 by applying force and sandwiching the magnetic disk medium 8-1.8-2 between the spacer rings 9-1 to 9-3.
このような従来の磁気ディスク装置では、磁気ディスク
媒体８−１．８−２とスペーサリング９−１〜９−３と
が積層されているため、これらの上がら力を加えると、
磁気ディスク媒体８−１．８−２の内径側に圧力が加わ
り、基板がアルミニウム材質の場合には磁気ディスク媒
体８−１．８−２が変形し、また基板がガラス材質の場
合にはクラックもしくは破損が生ずるという欠点がある
。In such a conventional magnetic disk device, the magnetic disk media 8-1, 8-2 and spacer rings 9-1 to 9-3 are stacked, so when upward force is applied to these,
Pressure is applied to the inner diameter side of the magnetic disk medium 8-1.8-2, causing deformation of the magnetic disk medium 8-1.8-2 if the substrate is made of aluminum, or cracking if the substrate is made of glass. Otherwise, there is a disadvantage that damage may occur.
発明の目的
本発明は上記のような従来のものの欠点を除去すべくな
されたもので、基板がアルミニウム材質の磁気ディスク
媒体でも変形することなく、基板がガラス材質の磁気デ
ィスク媒体でもクラックまたは破損か生ずることのない
磁気ディスク装置の提供を目的とする。Purpose of the Invention The present invention has been made to eliminate the above-mentioned drawbacks of the conventional ones, and it does not deform even magnetic disk media whose substrate is made of aluminum, and prevents cracks or damage even when magnetic disk media whose substrate is made of glass. The purpose of this invention is to provide a magnetic disk device that does not cause this problem.
発明の構成
本発明による磁気ディスク装置は、複数の磁気ディスク
媒体をスピンドルに積層して固定する磁気ディスク装置
であって、各々前記複数の磁気ディスク媒体間に積層さ
れ、前記磁気ディスク媒体の内径以上の径の円板部と、
前記磁気ディスク媒体の内径に嵌合され、かつ前記磁気
ディスク媒体の厚さ以上の高さの凸部とからなる複数の
スペーサリングを設け、前記磁気ディスク媒体と前記ス
ペーサリングの前記円板部との接触面および前記磁気デ
ィスク媒体と前記凸部との接触面を夫々接着剤で接着す
るようにしたことを特徴とする。Structure of the Invention A magnetic disk device according to the present invention is a magnetic disk device in which a plurality of magnetic disk media are stacked and fixed on a spindle, each of which is stacked between the plurality of magnetic disk media, and has a diameter larger than or equal to the inner diameter of the magnetic disk media. a disc portion with a diameter of
A plurality of spacer rings are provided that are fitted to the inner diameter of the magnetic disk medium and each include a convex portion having a height equal to or greater than the thickness of the magnetic disk medium, and the magnetic disk medium and the disc portion of the spacer ring are connected to each other. The contact surface of the magnetic disk medium and the contact surface of the magnetic disk medium and the convex portion are each bonded with an adhesive.
実施例
次に、本発明の一実施例について図面を参照して説明す
る。Embodiment Next, an embodiment of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例の断面図であり、第２図は第
１図の部分拡大図であり、第３図は本発明の一実施例の
平面図である。これらの図において、ベースプレート１
にはへ・ソドキャリ・ソジ組立７が実装され、磁気ディ
スク媒体２−１〜２−４かスピンドル３を介して実装さ
れている。FIG. 1 is a sectional view of one embodiment of the present invention, FIG. 2 is a partially enlarged view of FIG. 1, and FIG. 3 is a plan view of one embodiment of the present invention. In these figures, base plate 1
A head/body/body assembly 7 is mounted on the holder, and the magnetic disk media 2-1 to 2-4 are mounted via the spindle 3.
回転する磁気ディスク媒体２−１〜２−４の上をヘッド
キャリッジ組立７が円弧を描くように動作することによ
って、磁気ディスク装置の機能を果している。The head carriage assembly 7 moves in an arc above the rotating magnetic disk media 2-1 to 2-4, thereby performing the function of the magnetic disk device.
また、ベースプレート１にはスピンドル３が取付けられ
ており、スピンドル３にはスペーサリング４−１〜４−
４を間に入れて磁気ディスク媒体２−１〜２−４が実装
され、クランブリング５を介してネジ６により固定され
ている。Further, a spindle 3 is attached to the base plate 1, and spacer rings 4-1 to 4-4 are attached to the spindle 3.
Magnetic disk media 2-1 to 2-4 are mounted with 4 in between, and are fixed with screws 6 via clamping rings 5.
スペーサリング４−１〜４−４には各々段差部４ａ−１
〜４ａ−４が設けられており、この段差部４ａ−１〜４
ａ−４に磁気ディスク２−１〜２−４の内径部を嵌合し
、段差部４ａ−１〜４ａ−４に接着剤を塗布してスペー
サリング４−１〜４−４と磁気ディスク２−１〜２−４
とを夫々固定している。Each of the spacer rings 4-1 to 4-4 has a stepped portion 4a-1.
4a-4 are provided, and these stepped portions 4a-1 to 4a-4 are provided.
Fit the inner diameter portions of the magnetic disks 2-1 to 2-4 to a-4, apply adhesive to the step portions 4a-1 to 4a-4, and connect the spacer rings 4-1 to 4-4 and the magnetic disks 2. -1 to 2-4
and are fixed respectively.
また、スペーサリング４−１〜４−４の段差部４ａ−１
〜４ａ−４の高さａを磁気ディスク媒体２−１〜２−４
の厚さｂよりも大きくすることによって、スペーサリン
グ４−１〜４−４にクランブリング５から力Ｐが加わっ
ても、磁気ディスク媒体２−１〜２−４には何ら圧力が
加わらないようになっている。In addition, the stepped portion 4a-1 of the spacer rings 4-1 to 4-4
~ 4a-4 height a is magnetic disk media 2-1 ~ 2-4
By making the thickness larger than the thickness b, even if force P is applied from the crumbling ring 5 to the spacer rings 4-1 to 4-4, no pressure is applied to the magnetic disk media 2-1 to 2-4. It has become.
このように、スペーサリング４−１〜４−４に磁気ディ
スク媒体２−１〜２−４の内径部を嵌合することが可能
な段差部４ａ−１〜４ａ−４を設け、この段差部４ｇ−
１〜４ａ−４の高さａを磁気ディスク媒体２−１〜２−
４の厚さｂ以上とし、この段差部４ａ−１〜４ａ−４に
、磁気ディスク媒体２−１〜２−４を接着剤で接着する
ようにすることによって、磁気ディスク媒体２−１〜２
−４をスピンドル３に固定するためにクランブリング５
からかかる力Ｐが磁気ディスク媒体２−１〜２−４に加
わらないようにすることができる。In this way, the spacer rings 4-1 to 4-4 are provided with stepped portions 4a-1 to 4a-4 into which the inner diameter portions of the magnetic disk media 2-1 to 2-4 can be fitted, and the stepped portions 4g-
The height a of 1 to 4a-4 is the magnetic disk medium 2-1 to 2-
4, and the magnetic disk media 2-1 to 2-4 are bonded to the stepped portions 4a-1 to 4a-4 with adhesive.
- Crumbling 5 to fix 4 to spindle 3
It is possible to prevent the force P from being applied to the magnetic disk media 2-1 to 2-4.
その結果、磁気ディスク媒体２−１〜２−４の基板がア
ルミニウム材質でも変形することなく、基板がガラス材
質でもクラックあるいは破損が生じることはない。As a result, even if the substrates of the magnetic disk media 2-1 to 2-4 are made of aluminum, they will not be deformed, and even if the substrates are made of glass, no cracks or damage will occur.
発明の詳細
な説明したように本発明によれば、磁気ディスク媒体間
に積層される円板部と、磁気ディスク媒体の内径に嵌合
され、かつ高さが磁気ディスク媒体の厚さ以上の凸部と
からなるスペーサリングと磁気ディスク媒体との接着面
を接着剤で接着するようにすることに本って、基板がア
ルミニウム材質の磁気ディスク媒体でも変形することな
く、基板がガラス材質の磁気ディスク媒体でもクラック
または破損が生ずることがなくなるという効果がある。DETAILED DESCRIPTION OF THE INVENTION According to the present invention, as described in detail, the disk portion is stacked between magnetic disk media, and the convex portion is fitted into the inner diameter of the magnetic disk medium and has a height greater than or equal to the thickness of the magnetic disk medium. By using an adhesive to bond the adhesive surface between the spacer ring consisting of the spacer ring and the magnetic disk medium, even when the substrate is made of aluminum, the magnetic disk medium does not deform, and the substrate is made of glass. This has the effect that cracks or damage will not occur in the medium.
第１図は本発明の一実施例の断面図、第２図は第１図の
部分拡大図、第３図は本発明の一実施例の平面図、第４
図は従来例の部分拡大図である。
主要部分の符号の説明
２−１〜２−４・・・・・・磁気ディスク媒体３・・・
・・・スピンドル
４−１〜４−４・・・・・・スペーサリング４ａ−１〜
４ａ−４・・・・・・段差部５ ・・・・・
クランプリング
６ ・・・・・
ネジFIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a partially enlarged view of FIG. 1, FIG. 3 is a plan view of an embodiment of the present invention, and FIG.
The figure is a partially enlarged view of a conventional example. Explanation of symbols of main parts 2-1 to 2-4...Magnetic disk medium 3...
...Spindle 4-1~4-4...Spacer ring 4a-1~
4a-4...Step part 5...Clamp ring 6...Screw
Claims (1)
固定する磁気ディスク装置であって、各々前記複数の磁
気ディスク媒体間に積層され、前記磁気ディスク媒体の
内径以上の径の円板部と、前記磁気ディスク媒体の内径
に嵌合され、かつ前記磁気ディスク媒体の厚さ以上の高
さの凸部とからなる複数のスペーサリングを設け、前記
磁気ディスク媒体と前記スペーサリングの前記円板部と
の接触面および前記磁気ディスク媒体と前記凸部との接
触面を夫々接着剤で接着するようにしたことを特徴とす
る磁気ディスク装置。(1) A magnetic disk device in which a plurality of magnetic disk media are stacked and fixed on a spindle, each of which includes a disk portion stacked between the plurality of magnetic disk media and having a diameter equal to or larger than the inner diameter of the magnetic disk medium; A plurality of spacer rings are provided that are fitted to the inner diameter of the magnetic disk medium and each include a convex portion having a height equal to or greater than the thickness of the magnetic disk medium, and the magnetic disk medium and the disc portion of the spacer ring are connected to each other. and a contact surface between the magnetic disk medium and the convex portion are each bonded with an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21748690A JPH04102282A (en) | 1990-08-17 | 1990-08-17 | Magnetic disk device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21748690A JPH04102282A (en) | 1990-08-17 | 1990-08-17 | Magnetic disk device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04102282A true JPH04102282A (en) | 1992-04-03 |
Family
ID=16704995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21748690A Pending JPH04102282A (en) | 1990-08-17 | 1990-08-17 | Magnetic disk device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04102282A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5550687A (en) * | 1993-10-26 | 1996-08-27 | Nec Corporation | Magnetic disk drive capable of reducing distortions of disks |
| US5615067A (en) * | 1993-08-13 | 1997-03-25 | Seagate Technology, Inc. | Disc clamp and spacer |
| US5847900A (en) * | 1992-11-18 | 1998-12-08 | Nec Corporation | Disk clamping device for magnetic disk drive |
| US6025973A (en) * | 1991-11-22 | 2000-02-15 | Fujitsu Limited | Construction for attaching a disk in a disk drive |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62175980A (en) * | 1986-01-29 | 1987-08-01 | Hoya Corp | Magnetic disk device |
-
1990
- 1990-08-17 JP JP21748690A patent/JPH04102282A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62175980A (en) * | 1986-01-29 | 1987-08-01 | Hoya Corp | Magnetic disk device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6025973A (en) * | 1991-11-22 | 2000-02-15 | Fujitsu Limited | Construction for attaching a disk in a disk drive |
| US5847900A (en) * | 1992-11-18 | 1998-12-08 | Nec Corporation | Disk clamping device for magnetic disk drive |
| US5615067A (en) * | 1993-08-13 | 1997-03-25 | Seagate Technology, Inc. | Disc clamp and spacer |
| US5550687A (en) * | 1993-10-26 | 1996-08-27 | Nec Corporation | Magnetic disk drive capable of reducing distortions of disks |
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