JPS63204555A - Floppy disk driving motor - Google Patents
Floppy disk driving motorInfo
- Publication number
- JPS63204555A JPS63204555A JP3571587A JP3571587A JPS63204555A JP S63204555 A JPS63204555 A JP S63204555A JP 3571587 A JP3571587 A JP 3571587A JP 3571587 A JP3571587 A JP 3571587A JP S63204555 A JPS63204555 A JP S63204555A
- Authority
- JP
- Japan
- Prior art keywords
- coil circuit
- control circuit
- circuit
- metal plate
- insulating layer
- 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
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 229910000679 solder Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明はフロピィディスクドライブモータに関するも
のである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] This invention relates to a floppy disk drive motor.
従来のフロピィディスクドライブモータとしては、筐体
に制御回路が設けられた樹脂プリント配線基板を取り付
け、その樹脂プリント配線基板にモータ用コイル回路が
設けられた配線基板を取り付けたものがある。As a conventional floppy disk drive motor, there is one in which a resin printed wiring board provided with a control circuit is attached to a housing, and a wiring board provided with a motor coil circuit is attached to the resin printed wiring board.
このようなフロピィディスクドライブモータにおいては
１部品点数が多く、また占有面積が大きくなってしまい
、さらにモータ用コイル回路、制御回路を同時に成形す
ることができない。また。In such a floppy disk drive motor, the number of parts is large, the area occupied is large, and the motor coil circuit and control circuit cannot be molded at the same time. Also.
モータ用コイル回路から発熱するため、モータ用コイル
回路が設けられた配線基板の温度が上昇し、かつ制御回
路が設けられた慴脂プリント配線基板の放熱性は十分で
はないので、制御回路が設けられた樹脂プリント配線基
板の温度が上昇するから、制御回路に接続された電子部
品の温度が上昇し、電子部品の機能が低下してしまうに
の発明は上述の問題点を解決するためになされたもので
、部品点数が少なく、占有面積が小さく、かつモータ用
コイル回路、制御回路を同時に成形することができ、し
かもモータ用コイル回路で発生した熱を有効に放熱する
ことができるフロピィディスクドライブモータを提供す
ることを目的とする。Because heat is generated from the motor coil circuit, the temperature of the wiring board on which the motor coil circuit is installed rises, and the heat dissipation of the resin printed wiring board on which the control circuit is installed is not sufficient, so the control circuit is installed. This invention was made to solve the above-mentioned problem. A floppy disk that has a small number of parts, occupies a small area, can mold the motor coil circuit and control circuit at the same time, and can effectively dissipate the heat generated by the motor coil circuit. The purpose is to provide drive motors.
この目的を達成するため、この発明においては、金属板
の表面に絶縁層を設け、上記絶縁層上にモータ用コイル
回路および制御回路を形成する６〔作用〕
このフロピィディスクドライブモータにおいては、モー
タ用コイル回路および制御回路が筐体の役目を果す金属
板上に形成されているから、筐体。In order to achieve this object, in the present invention, an insulating layer is provided on the surface of the metal plate, and a motor coil circuit and a control circuit are formed on the insulating layer.6 [Function] In this floppy disk drive motor, The casing because the motor coil circuit and control circuit are formed on a metal plate that serves as the casing.
モータ用コイル回路部および制御回路部が一体であり、
またモータ用コイル回路および制御回路を絶縁層上に形
成しているから、モータ用コイル回路、制御回路を同時
に形成することができ、さらにモータ用コイル回路で発
生した熱を金属板を介して放熱することができる。The motor coil circuit and control circuit are integrated,
In addition, since the motor coil circuit and control circuit are formed on the insulating layer, the motor coil circuit and control circuit can be formed at the same time, and the heat generated in the motor coil circuit is radiated through the metal plate. can do.
第１図はこの発明に係るフロピィディスクドライブモー
タを示す概略図、第２図は第１図のＡ−へ断面図である
。図において、１は珪素鋼板等の金属板、２は金属板１
の表面に設けられたボンディングシート等の絶縁層で、
絶縁層２の厚さは２５〜５０μｍである。３は絶縁層２
上に形成されたモータ用コイル回路で、コイル回路３は
中央部に位置している。４は絶縁層２上に形成された制
御回路で、制御回路４はコイル回路３の周辺部に位置し
ている。５は絶縁層２．コイル回路３、制御回路４上に
設けられたフレキシブルプリント配線基板用ソルダレジ
スト等のソルダレジスト、６はコイル回路３の中央部に
設けられた穴、７は周辺部に設けられた穴、９はコイル
回路３部に設けられた段差である。FIG. 1 is a schematic diagram showing a floppy disk drive motor according to the present invention, and FIG. 2 is a sectional view taken along line A in FIG. 1. In the figure, 1 is a metal plate such as a silicon steel plate, and 2 is a metal plate 1.
An insulating layer such as a bonding sheet provided on the surface of
The thickness of the insulating layer 2 is 25 to 50 μm. 3 is insulating layer 2
Of the motor coil circuits formed above, the coil circuit 3 is located in the center. Reference numeral 4 denotes a control circuit formed on the insulating layer 2, and the control circuit 4 is located around the coil circuit 3. 5 is an insulating layer 2. A solder resist such as a solder resist for a flexible printed circuit board is provided on the coil circuit 3 and the control circuit 4, 6 is a hole provided in the center of the coil circuit 3, 7 is a hole provided in the periphery, and 9 is a solder resist such as a solder resist for a flexible printed circuit board. This is a step provided in the third part of the coil circuit.
このフロピィディスクドライブモータにおいては、コイ
ル回路３および制御回路４が筐体の役目を果す金属板１
上に形成されているから、筐体、モータ用コイル回路部
および制御回路部が一体である。また、絶縁層２上にコ
イル回路３および制御回路４を形成しているので、コイ
ル回路３、制御回路４を同時に形成することができる。In this floppy disk drive motor, a coil circuit 3 and a control circuit 4 are mounted on a metal plate 1 that serves as a housing.
Since the housing, the motor coil circuit section, and the control circuit section are formed on the top, the housing, the motor coil circuit section, and the control circuit section are integrated. Further, since the coil circuit 3 and the control circuit 4 are formed on the insulating layer 2, the coil circuit 3 and the control circuit 4 can be formed at the same time.
さらに。moreover.
コイル回路３が金属板１上に形成されているから、コイ
ル回路３で発生した熱を金属板１を介して放熱すること
ができる。Since the coil circuit 3 is formed on the metal plate 1, the heat generated in the coil circuit 3 can be radiated via the metal plate 1.
つぎに、第３図により第１図、第２図に示したフロピィ
ディスクドライブモータを製造する方法について説明す
る。まず、金属板１に絶縁層２および厚さが３５〜７０
μｍの圧延銅箔８を設ける（第３図（ａ））。つぎに、
圧延鋼箔８を選択的にエツチングすることにより、コイ
ル回路３、制御回路４を形成する（第３図（ｂ））。つ
ぎに、絶縁層２、コイル回路３、制御回路４上にソルダ
レジスト５を設ける（第３図（Ｃ））。つぎに、外形加
工を行なうとともに、六６，７を設ける（第３図（ｄ）
）。最後に、ゴム圧成形法等により段差９を設ける。Next, a method for manufacturing the floppy disk drive motor shown in FIGS. 1 and 2 will be explained with reference to FIG. First, a metal plate 1 is coated with an insulating layer 2 and a thickness of 35 to 70 mm.
A rolled copper foil 8 having a thickness of .mu.m is provided (FIG. 3(a)). next,
By selectively etching the rolled steel foil 8, a coil circuit 3 and a control circuit 4 are formed (FIG. 3(b)). Next, a solder resist 5 is provided on the insulating layer 2, the coil circuit 3, and the control circuit 4 (FIG. 3(C)). Next, the outer shape is processed and sixes 6 and 7 are provided (Fig. 3(d)).
). Finally, a step 9 is provided by a rubber pressure molding method or the like.
なお、上述実施例においては、コイル回路３部に段差を
設けたが、段差を設けなくともよい。また、上述実施例
においては、金属板１の片面に制御回路４を形成したが
、金属板１の両面に制御回路４を形成してもよい。In addition, in the above-mentioned Example, although the step was provided in the coil circuit 3 part, it is not necessary to provide the step. Further, in the above embodiment, the control circuit 4 is formed on one side of the metal plate 1, but the control circuit 4 may be formed on both sides of the metal plate 1.
以上説明したように、この発明に係るフロピィディスク
ドライブモータにおいては、筐体、モータ用コイル回路
部および制御回路部が一体であるから、部品点数が少な
く、また占有面積が小さく、さらにモータ用コイル回路
、制御回路を同時に形成することができるので、Ｗ造が
容易である。また、モータ用コイル回路で発生した熱を
金属板を介して放熱することができるから、モータ用コ
イル回路で発生した熱を有効に放熱することができる。As explained above, in the floppy disk drive motor according to the present invention, since the housing, the motor coil circuit section, and the control circuit section are integrated, the number of parts is small, the area occupied is small, and the motor Since the coil circuit and the control circuit can be formed at the same time, W construction is easy. Moreover, since the heat generated in the motor coil circuit can be radiated through the metal plate, the heat generated in the motor coil circuit can be effectively radiated.
このように、この発明の効果は顕著である。As described above, the effects of this invention are remarkable.
第１図はこの発明に係るフロピィディスクドライブモー
タを示す概略図、第２図は第１図のＡ−Ａ断面図、第３
図は第１図、第２図に示したフロピィディスクドライブ
モータを製造する方法の説明図である。
ｌ・・・金属板
２・・・絶Ｒ層
３・・・モータ用コイル回路
４・・・制御回路FIG. 1 is a schematic diagram showing a floppy disk drive motor according to the present invention, FIG. 2 is a sectional view taken along line A-A in FIG. 1, and FIG.
The figure is an explanatory diagram of a method for manufacturing the floppy disk drive motor shown in FIGS. 1 and 2. l...Metal plate 2...R layer 3...Motor coil circuit 4...Control circuit
Claims (1)
タ用コイル回路および制御回路を形成したことを特徴と
するフロピィディスクドライブモータ。 ２、上記モータ用コイル回路部に段差設けたことを特徴
とする特許請求の範囲第１項記載のフロピィディスクド
ライブモータ。[Scope of Claims] 1. A floppy disk drive motor characterized in that an insulating layer is provided on the surface of a metal plate, and a motor coil circuit and a control circuit are formed on the insulating layer. 2. The floppy disk drive motor according to claim 1, wherein the motor coil circuit section is provided with a step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3571587A JPS63204555A (en) | 1987-02-20 | 1987-02-20 | Floppy disk driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3571587A JPS63204555A (en) | 1987-02-20 | 1987-02-20 | Floppy disk driving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63204555A true JPS63204555A (en) | 1988-08-24 |
Family
ID=12449560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3571587A Pending JPS63204555A (en) | 1987-02-20 | 1987-02-20 | Floppy disk driving motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63204555A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0266774A (en) * | 1988-08-31 | 1990-03-06 | Toshiba Corp | Recording and reproducing device |
| JPH03264448A (en) * | 1990-03-15 | 1991-11-25 | Nagano Japan Radio Co | Paper feeding tray device |
| JPH0425464U (en) * | 1990-06-20 | 1992-02-28 | ||
| JPH05502864A (en) * | 1989-12-21 | 1993-05-20 | ペルストルプ アーベー | drug |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583559A (en) * | 1982-04-23 | 1983-01-10 | Toshiba Corp | Turntable device |
| JPS6031763B2 (en) * | 1982-05-06 | 1985-07-24 | 水澤化学工業株式会社 | Zeolite aqueous slurry composition with excellent suspension stability and fluidity |
-
1987
- 1987-02-20 JP JP3571587A patent/JPS63204555A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583559A (en) * | 1982-04-23 | 1983-01-10 | Toshiba Corp | Turntable device |
| JPS6031763B2 (en) * | 1982-05-06 | 1985-07-24 | 水澤化学工業株式会社 | Zeolite aqueous slurry composition with excellent suspension stability and fluidity |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0266774A (en) * | 1988-08-31 | 1990-03-06 | Toshiba Corp | Recording and reproducing device |
| JPH05502864A (en) * | 1989-12-21 | 1993-05-20 | ペルストルプ アーベー | drug |
| JPH03264448A (en) * | 1990-03-15 | 1991-11-25 | Nagano Japan Radio Co | Paper feeding tray device |
| JPH0425464U (en) * | 1990-06-20 | 1992-02-28 |
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