JPH0467385A - Magnetic disk device - Google Patents
Magnetic disk deviceInfo
- Publication number
- JPH0467385A JPH0467385A JP17585590A JP17585590A JPH0467385A JP H0467385 A JPH0467385 A JP H0467385A JP 17585590 A JP17585590 A JP 17585590A JP 17585590 A JP17585590 A JP 17585590A JP H0467385 A JPH0467385 A JP H0467385A
- Authority
- JP
- Japan
- Prior art keywords
- flexible printed
- write
- read
- reinforcing plate
- printed board
- 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
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 125000006850 spacer group Chemical group 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 6
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 230000006866 deterioration Effects 0.000 abstract 2
- 230000003068 static effect Effects 0.000 abstract 2
- 239000002184 metal Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
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関し、特に、磁気ヘッドの
データの書込み読出し動作を制御するリードライトＩＣ
と磁気ヘッドとの間で情報を伝達するために、フレキシ
ブルプリント基板を用いた磁気ディスク装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a magnetic disk device, and in particular to a read/write IC that controls data write/read operations of a magnetic head.
The present invention relates to a magnetic disk device that uses a flexible printed circuit board to transmit information between a magnetic head and a magnetic head.
第２図（ａ）および（ｂ）は、従来の磁気ディスク装置
の一例を示す平面図および正面図である。FIGS. 2(a) and 2(b) are a plan view and a front view showing an example of a conventional magnetic disk device.
第２図において、磁気へラド１１は、ヘッドアーム１６
の先端に固定されている。磁気ヘッド１１のデータの書
込み読出し動作を制御するリードライトＩＣｌ３は、フ
レキシブルプリント基板１５の後部に搭載されている。In FIG. 2, the magnetic helad 11 is connected to the head arm 16
is fixed at the tip of the A read/write ICl3 that controls the data write/read operations of the magnetic head 11 is mounted on the rear of the flexible printed circuit board 15.
フレキシブルプリント基板１５と磁気へラド１１との間
は、微細線１２によって接続されており、フレキシブル
プリント基板１５は、磁気へラド１１とリードラ、イ、
トＩＣｌ３との間で情報を伝達する。フレキシブルプリ
ント基板１５の微細線接続部の近傍の下面には、金属製
の補強板１３が設けられている。補強板１３は、ヘッド
アーム１６に直接に取付けられている。The flexible printed circuit board 15 and the magnetic helad 11 are connected by a fine wire 12.
It transmits information between the ICl3 and ICl3. A metal reinforcing plate 13 is provided on the lower surface of the flexible printed circuit board 15 near the fine wire connection portion. The reinforcing plate 13 is directly attached to the head arm 16.
上述したような従来の磁気ディスク装置は、フレキシブ
ルプリント基板の導体パターンと金属製の補強板との間
に浮遊静電容量を持ち、しかも、金属製の補強板がヘッ
ドアームに直接に取付けられているため、磁気ヘッドか
らリードライトＩＣまでの導体パターンによる浮遊静電
容量が増加して共振周波数が下り、周波数帯域を低下さ
せ、しかも、インピーダンスノイズの増加させるという
欠点がある。The conventional magnetic disk drive described above has stray capacitance between the conductor pattern of the flexible printed circuit board and the metal reinforcing plate, and the metal reinforcing plate is attached directly to the head arm. Therefore, stray capacitance due to the conductor pattern from the magnetic head to the read/write IC increases, lowering the resonance frequency, lowering the frequency band, and increasing impedance noise.
本発明の磁気ディスク装置は、磁気ヘッドと、前記磁気
ヘッドを担持するヘッドアームと、前記磁気ヘッドのデ
ータの書込み読出し動作をｉｌｉ制御するリードライト
ｒＣと、前記磁気ヘッドと前記リードライトＩＣとの間
で情報を伝達するフレキシブルプリント基板と、前記フ
レキシブルプリント基板上に搭載した前記リードライト
ＩＣを支持する樹脂製の第一の補強板と、前記ヘッドア
ームと前記フレキシブルプリント基板との間に設けた樹
脂製の第二の補強板とを備え、前記ヘッドアームと前記
第二の補強板との間にスペーサを設けたものである。The magnetic disk device of the present invention includes a magnetic head, a head arm that carries the magnetic head, a read/write rC that controls data writing/reading operations of the magnetic head, and a magnetic head and the read/write IC. a flexible printed circuit board for transmitting information between the head arm and the flexible printed circuit board; a first reinforcing plate made of resin that supports the read/write IC mounted on the flexible printed circuit board; and a first reinforcement plate provided between the head arm and the flexible printed circuit board. A second reinforcing plate made of resin is provided, and a spacer is provided between the head arm and the second reinforcing plate.
次に本発明の実施例について図面を参照して説明する。 Next, embodiments of the present invention will be described with reference to the drawings.
第１図（ａ）および（ｂ）は本発明の一実施例を示す平
面図および正面図である。FIGS. 1(a) and 1(b) are a plan view and a front view showing an embodiment of the present invention.
第１図において、磁気へラド１は、ヘッドアーム６の先
端に固定されている。磁気ヘッド１のデータの書込み読
出し動作を制御するリードライ）ＩＣ８は、フレキシブ
ルプリント基板５の後部に搭載されている。フレキシブ
ルプリント基板５と磁気ヘッド１との間は、微細線２に
よって接続されており、フレキシブルプリント基板５は
、磁気ヘッド１とリードライトＩＣ８との間で情報を伝
達する。フレキシブルプリント基板５のリードライトＩ
Ｃ搭載部および微細線接続部の近傍の下面には、それぞ
れ樹脂製の第一の補強板７と第二の補強板３とが設けら
れている。第二の補強板３とヘッドアーム６との間には
、スペーサ４を設けである。In FIG. 1, a magnetic helad 1 is fixed to the tip of a head arm 6. As shown in FIG. A read/write IC 8 for controlling data writing/reading operations of the magnetic head 1 is mounted on the rear part of the flexible printed circuit board 5. The flexible printed circuit board 5 and the magnetic head 1 are connected by a fine wire 2, and the flexible printed circuit board 5 transmits information between the magnetic head 1 and the read/write IC 8. Read write I of flexible printed circuit board 5
A first reinforcing plate 7 and a second reinforcing plate 3 made of resin are provided on the lower surface near the C mounting portion and the fine wire connecting portion, respectively. A spacer 4 is provided between the second reinforcing plate 3 and the head arm 6.
このように構成することにより、フレキシブルプリント
基板５の浮遊静電容量の増加を防いでインピーダンスノ
イズの増加を少なくし、また、周波数帯域の低下を軽減
することができる。With this configuration, it is possible to prevent an increase in stray capacitance of the flexible printed circuit board 5, reduce an increase in impedance noise, and reduce a decrease in frequency band.
以上説明したように、本発明の磁気ディスク装置は、補
強板とへγドアームとの間にスペーサを設けることによ
り、フレキシブルプリント基板の浮遊静電容量の増加を
防いでインピーダンスノイズの増加を少なくし、また、
周波数帯域の低下を軽減することができるという効果が
ある。As explained above, the magnetic disk drive of the present invention prevents an increase in stray capacitance of a flexible printed circuit board and reduces an increase in impedance noise by providing a spacer between a reinforcing plate and a gamma head arm. ,Also,
This has the effect of being able to reduce the reduction in the frequency band.
（ｂ）は従来の磁気ディスク装置の一例を示す平面図お
よび正面図である。(b) is a plan view and a front view showing an example of a conventional magnetic disk device.
１・１１・・−・・・磁気ヘッド：２・１２・・・・・
・微細線、３・７・１３−・・・・・補強板、４・・・
・・・スペーサ、５・１５・・・・・・フレキシブルプ
リント基板、６・１６・−・・・−ヘッドアーム、８・
１８・・・・・−リードライトＩＣ。1, 11... Magnetic head: 2, 12...
・Fine wire, 3, 7, 13-... Reinforcement plate, 4...
...Spacer, 5.15.....Flexible printed circuit board, 6.16.--Head arm, 8.
18...-Read/write IC.
Claims (1)
と、前記磁気ヘッドのデータの書込み読出し動作を制御
するリードライトＩＣと、前記磁気ヘッドと前記リード
ライトＩＣとの間で情報を伝達するフレキシブルプリン
ト基板と、前記フレキシブルプリント基板上に搭載した
前記リードライトＩＣを支持する樹脂製の第一の補強板
と、前記ヘッドアームと前記フレキシブルプリント基板
との間に設けた樹脂製の第二の補強板とを備え、前記ヘ
ッドアームと前記第二の補強板との間にスペーサを設け
たことを特徴とする磁気ディスク装置。A magnetic head, a head arm that supports the magnetic head, a read/write IC that controls data write/read operations of the magnetic head, and a flexible printed circuit board that transmits information between the magnetic head and the read/write IC. a first reinforcing plate made of resin that supports the read/write IC mounted on the flexible printed circuit board; and a second reinforcing plate made of resin provided between the head arm and the flexible printed circuit board. A magnetic disk drive comprising: a spacer provided between the head arm and the second reinforcing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17585590A JPH0467385A (en) | 1990-07-03 | 1990-07-03 | Magnetic disk device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17585590A JPH0467385A (en) | 1990-07-03 | 1990-07-03 | Magnetic disk device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0467385A true JPH0467385A (en) | 1992-03-03 |
Family
ID=16003379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17585590A Pending JPH0467385A (en) | 1990-07-03 | 1990-07-03 | Magnetic disk device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0467385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0724194A1 (en) | 1995-01-30 | 1996-07-31 | Fuji Photo Film Co., Ltd. | Silver halide color photographic material |
-
1990
- 1990-07-03 JP JP17585590A patent/JPH0467385A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0724194A1 (en) | 1995-01-30 | 1996-07-31 | Fuji Photo Film Co., Ltd. | Silver halide color photographic material |
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