JPS62270093A - Magnetic disk device - Google Patents
Magnetic disk deviceInfo
- Publication number
- JPS62270093A JPS62270093A JP11636486A JP11636486A JPS62270093A JP S62270093 A JPS62270093 A JP S62270093A JP 11636486 A JP11636486 A JP 11636486A JP 11636486 A JP11636486 A JP 11636486A JP S62270093 A JPS62270093 A JP S62270093A
- Authority
- JP
- Japan
- Prior art keywords
- base
- magnetic disk
- disk device
- printed circuit
- cover
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/144—Stacked arrangements of planar printed circuit boards
Abstract
Description
【発明の詳細な説明】
３、発明の詳細な説明
〔産業上の利用分野〕
この発明は、電子計算機などに用いられる磁気ディスク
装置に関し、特に外形の薄形化にかかわる。[Detailed Description of the Invention] 3. Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a magnetic disk device used in electronic computers and the like, and particularly relates to thinning of the external shape.
第２図は１例えば特開昭６０−１３３５７８号公報に示
された従来の磁気ディスク装置の概要断面図であり１図
では、この発明に関係する要部のみを示し、磁気ヘッド
部及びその駆動機構部は図示を略す。図において、１は
ディスク部及びヘッド部を収容する収容箱体で、金属材
からなるベース２と、金属材からなり、ベース２に取付
けられたカバー３とからなる。４はベース２に取付けら
れた駆動電動機で１回転軸５が出されている。６はこの
回転軸５に固定された歯車状のハブで、円板状突起６ａ
が設けられている。７はハブ６に挿入された複数の磁気
ディスクで、相互間に環状のスペーサ８がはめられてい
る。９はハブ６に取付けられ、最上部の磁気ディスク７
に当てられ押圧するキャップ、 １０はベース２の下部
に固定された複数体の支持柱、 １１及び１２はこれら
の支持柱１０１こより平行に取付けられたプリント基板
で、双方が間隔をあけられ、また、ベース２にも絶縁間
隔があけられている。１３はプリント基板１１．１２に
装着されたＩＣなどの半導体装置、抵抗体、コンデンサ
など各種の電子部品である。FIG. 2 is a schematic cross-sectional view of a conventional magnetic disk device disclosed in, for example, Japanese Patent Application Laid-Open No. 60-133578. Mechanisms are not shown. In the figure, reference numeral 1 denotes a housing box body for housing a disk portion and a head portion, and is composed of a base 2 made of a metal material, and a cover 3 made of a metal material and attached to the base 2. Reference numeral 4 denotes a drive motor attached to the base 2, from which a one-rotation shaft 5 is extended. 6 is a gear-shaped hub fixed to this rotating shaft 5, and a disc-shaped projection 6a
is provided. A plurality of magnetic disks 7 are inserted into the hub 6, and an annular spacer 8 is fitted between them. 9 is attached to the hub 6, and the uppermost magnetic disk 7
10 is a plurality of support columns fixed to the lower part of the base 2, 11 and 12 are printed circuit boards mounted parallel to these support columns 101, and both are spaced apart from each other. , the base 2 is also provided with an insulating interval. Reference numeral 13 denotes various electronic components such as semiconductor devices such as ICs, resistors, and capacitors mounted on printed circuit boards 11 and 12.
上記従来の磁気ディスク装置に力いて、駆動電動機４に
より磁気ディスクが回転されると、これらの磁気ディス
クの表面ｌこ位置決めされた磁気ヘッド（図示は略す）
により、磁気ディスク７面に信号が記録されたり、再生
されたりする。記録・再生される信号はプリント基板１
１．１２部で処理され、電子計算機などへ入出力される
。When the magnetic disks are rotated by the drive motor 4 under the force of the conventional magnetic disk device, magnetic heads (not shown) positioned on the surfaces of these magnetic disks are generated.
As a result, signals are recorded on and reproduced from the surface of the magnetic disk 7. Signals to be recorded and reproduced are printed circuit board 1
It is processed in 1.12 parts and input/output to a computer, etc.
電子計算機などの小形化ととも擾こ、磁気ディスク装置
においても、小形、薄形化、あるいは記憶容量の大容量
化が図られている。Along with the miniaturization of electronic computers, magnetic disk drives are also being made smaller, thinner, and have larger storage capacities.
上記のような従来の磁気ディスク装置では、磁気ディス
ク７部は所要枚数で高さが決まっており。In the conventional magnetic disk device as described above, the height of the seven magnetic disks is determined by the required number of disks.
またプリント基板１１ 、１２部も高さを短縮する余地
はなく、薄形化はできなかった。Furthermore, there was no room to shorten the height of the printed circuit boards 11 and 12, and it was not possible to make them thinner.
また、大容量化には磁気ディスク７の枚数を増す必要が
あり、それだけ収容箱体ｌの高さが大きくなり、小形化
に反することになる。Furthermore, increasing the capacity requires increasing the number of magnetic disks 7, which increases the height of the storage box l, which goes against the trend of miniaturization.
この発明は、このような問題点を解決するためになされ
たもので、薄形化又は同じ高さでは磁気ディスクの装着
枚数が増加される磁気ディスク装置を得ることを目的と
している。The present invention has been made to solve these problems, and aims to provide a magnetic disk device that can be made thinner or that can increase the number of magnetic disks that can be mounted at the same height.
この発明にかかる磁気ディスク装置は、収容箱体のベー
スとカバーのうち、少なくトモベースを絶縁材により形
成し、このベースにプリント回路を設は裏面＋ｃｔ子部
品を装着したものである。In the magnetic disk drive according to the present invention, of the base and cover of the storage box, at least the base is made of an insulating material, and a printed circuit is mounted on the base, and CT subcomponents are mounted on the back side of the base.
この発明においては、ベースがプリント基板を兼用して
おり、従来のプリント基板が１枚省かれ、高さがその分
だけ短縮され、又は同じ高さでは磁気ディスクの枚数が
増加される。In this invention, the base also serves as a printed circuit board, so one conventional printed circuit board is omitted, and the height is shortened accordingly, or the number of magnetic disks is increased at the same height.
第１図はこの発明による磁気ディスク装置の一実施例を
示す要部の断面図であり、４〜９．１３゜６ａは上記従
来装置と同一のものである。２１はディスク部及びヘッ
ド部を収容する収容箱体で合成樹脂材など絶縁材からな
るベース２２と、同様な絶縁材からなり、バース２２に
取付けられたカバー２３とからなる。上記ベース２２の
面にはプリント回路が形成されである。２４はベース２
２ ｊこ固定された毫数本の支持柱、２５はこれらの支
持柱２４によりベース２（こ平行に取付けられたプリン
ト基板である。上記ベース２２の下面及びプリント基板
２５ ｆこは、多数の電子部品１３を装着している。FIG. 1 is a sectional view of the main parts of an embodiment of the magnetic disk device according to the present invention, and the section 4 to 9.13° 6a is the same as that of the conventional device. Reference numeral 21 denotes a housing box body for housing the disk portion and the head portion, and includes a base 22 made of an insulating material such as a synthetic resin material, and a cover 23 made of the same insulating material and attached to the berth 22. A printed circuit is formed on the surface of the base 22. 24 is base 2
A number of support pillars 2j are fixed to the support pillars 2, and a printed circuit board 25 is mounted parallel to the base 2 by these support pillars 24.The lower surface of the base 22 and the printed circuit board 25 Electronic parts 13 are installed.
このように、ベース２２を利用して電子部品１３゛
を実装することにより、従来装置でのプリント基板１１
を省くことができ、その分だけ磁気ディスク装置の高さ
が縮少される。また、装置の高さを同一とした場合は、
磁気ディスク７の数を増すことができ、記憶容量が増加
される。In this way, using the base 22, the electronic component 13
By mounting the printed circuit board 11 in the conventional device
can be omitted, and the height of the magnetic disk device can be reduced accordingly. Also, if the height of the equipment is the same,
The number of magnetic disks 7 can be increased, and the storage capacity can be increased.
なお、上記実施例では、ベース２２とプリント基板２３
とに電子部品１３を装着したが、必要部品が少ない場合
は、ベース２２のみに電子部品１３を装着し、プリント
基板２５を省くこともできる。In addition, in the above embodiment, the base 22 and the printed circuit board 23
Although the electronic component 13 is attached to the base 22, if the number of necessary components is small, the electronic component 13 can be attached only to the base 22 and the printed circuit board 25 can be omitted.
また、２絶縁材からなるカバー２３にも電子部品を実装
してもよい。Further, electronic components may also be mounted on the cover 23 made of two insulating materials.
さらに、カバー２３は絶縁材の必要がなければ金属材ｌ
こしてもよい。Furthermore, the cover 23 is made of metal if no insulating material is required.
You can also strain it.
以上のように、この発明ｆこよれば、ベースを絶縁材に
し電子部品を直接実装し、プリント基板を１枚省いたの
で、装置全体が薄形化ごきる。また、装置を同一高さと
すると、磁気ディスクを増すことができ記憶容量が増大
される。As described above, according to the present invention, the base is made of an insulating material, electronic components are directly mounted, and one printed circuit board is omitted, so that the entire device can be made thinner. Furthermore, if the device is made to have the same height, the number of magnetic disks can be increased, increasing the storage capacity.
第１図はこの発明による磁気ディスク装置の一実施例を
示す要部断面図、第２図は従来の磁気ディスク装置を示
す要部断面図である。
図において、７・・・磁気ディスク、１３・・・電子部
品、２１・・・収容箱体、２２・・・ベース、２３・・
・カバー、２５・・・プリント基板。
なお、図中同一符号は同一、又は相当部分を示す。FIG. 1 is a sectional view of a main part of an embodiment of a magnetic disk device according to the present invention, and FIG. 2 is a sectional view of a main part of a conventional magnetic disk device. In the figure, 7...magnetic disk, 13...electronic component, 21...accommodation box, 22...base, 23...
・Cover, 25...Printed circuit board. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (2)
なる収容箱体内に、磁気ディスク部と磁気ヘッド部を収
容し、上記ベースの下方に電子部品が実装された磁気デ
ィスク装置において、上記ベースとカバーのうち、少な
くともベースを絶縁材により形成し、このベースの裏面
に電子部品を直接装着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 magnetic disk unit and a magnetic head unit are housed in a housing box consisting of a base and a cover attached to the base, and electronic components are mounted below the base. A magnetic disk drive characterized in that at least a base of the cover is formed of an insulating material, and electronic components are directly mounted on the back surface of the base.
子部品を直接装着した特許請求の範囲第１項記載の磁気
ディスク装置。(2) The magnetic disk device according to claim 1, wherein the cover is formed of an insulating material, and electronic components are directly attached to this cover as well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11636486A JPS62270093A (en) | 1986-05-19 | 1986-05-19 | Magnetic disk device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11636486A JPS62270093A (en) | 1986-05-19 | 1986-05-19 | Magnetic disk device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62270093A true JPS62270093A (en) | 1987-11-24 |
Family
ID=14685132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11636486A Pending JPS62270093A (en) | 1986-05-19 | 1986-05-19 | Magnetic disk device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62270093A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5264975A (en) * | 1989-09-19 | 1993-11-23 | International Business Machines Corporation | Magnetic disk storage device with the base provided by an electronic module substrate |
| US5798885A (en) * | 1994-06-06 | 1998-08-25 | Fujitsu Limited | Head positioning control for disk apparatus using peak detection, polarity detection and sector mark detection |
-
1986
- 1986-05-19 JP JP11636486A patent/JPS62270093A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5264975A (en) * | 1989-09-19 | 1993-11-23 | International Business Machines Corporation | Magnetic disk storage device with the base provided by an electronic module substrate |
| US5798885A (en) * | 1994-06-06 | 1998-08-25 | Fujitsu Limited | Head positioning control for disk apparatus using peak detection, polarity detection and sector mark detection |
| US5963398A (en) * | 1994-06-06 | 1999-10-05 | Fujitsu Limited | Disk apparatus with voice coil motor |
| US6016547A (en) * | 1994-06-06 | 2000-01-18 | Fujitsu Limited | Data processing apparatus with program allocating section for selectively allocating programs in first and second memory |
| US6137646A (en) * | 1994-06-06 | 2000-10-24 | Fujitsu Limited | Disk apparatus using coincidence detection to generate variable sector pulses |
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