JP2002230731A - Head assembly for magnetic disk device - Google Patents
Head assembly for magnetic disk deviceInfo
- Publication number
- JP2002230731A JP2002230731A JP2001399784A JP2001399784A JP2002230731A JP 2002230731 A JP2002230731 A JP 2002230731A JP 2001399784 A JP2001399784 A JP 2001399784A JP 2001399784 A JP2001399784 A JP 2001399784A JP 2002230731 A JP2002230731 A JP 2002230731A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- flexure
- conductor pattern
- head assembly
- 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
Landscapes
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Moving Of Heads (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、各種コンピュータ
の外部記憶装置に広く使用される磁気ディスク装置のヘ
ッドアッセンブリに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic disk drive head assembly widely used for an external storage device of various computers.
【０００２】[0002]
【従来の技術】従来の磁気ディスク装置のヘッドアッセ
ンブリは、図２(a) に示すように一方の先端部に磁気デ
ィスクの情報を読み書きするヘッドスライダ２を固着
し、他方側にバネ部を配した薄板のフレキシャ１よりな
り、このフレキシャ１の片面には前記ヘッドスライダ２
と電気的に導通する例えば２本の導体パターン1-1aが前
記フレキシャ１の他端縁まで形成されて、当該導体パタ
ーン1-1aのそれぞれ先端には接続ランド1-1bが設けられ
ている。2. Description of the Related Art As shown in FIG. 2A, a head assembly of a conventional magnetic disk drive has a head slider 2 for reading and writing information on a magnetic disk fixed to one end portion and a spring portion disposed on the other side. The flexure 1 is made of a thin plate, and the head slider 2 is provided on one surface of the flexure 1.
For example, two conductor patterns 1-1a that are electrically connected to the flexure 1 are formed up to the other end edge of the flexure 1, and a connection land 1-1b is provided at each end of the conductor pattern 1-1a.
【０００３】また、図２(b) に示すようにキャリッジ５
により図示していない磁気ディスクの中心方向へ往復移
動する支持アーム３の上面（磁気ディスク面側と反対
面）には、例えば当該支持アーム３の幅より狭く、且つ
先端側々面をＬ字状に突起させて折り返し部4aを設け、
例えば２本の導体パターン4-1 を該折り返し部4aの先端
部まで形成したフレキシブル・プリント・サーキット４
（以下ＦＰＣと略称する）が貼着されている。[0003] Further, as shown in FIG.
For example, the upper surface (the surface opposite to the magnetic disk surface side) of the support arm 3 that reciprocates in the center direction of the magnetic disk (not shown) has, for example, an L-shape that is narrower than the width of the support arm 3 and has an end-to-side surface. To provide a folded back portion 4a,
For example, a flexible printed circuit 4 in which two conductor patterns 4-1 are formed up to the end of the folded portion 4a
(Hereinafter, abbreviated as FPC).
【０００４】そして、図２(a) に示す如く一端側に上記
ヘッドスライダ２を固着した前記フレキシャ１の他端部
側を、前記支持アーム３の下面（磁気ディスク面と対向
する面）へ接着またはスポット溶接等で結合して、当該
支持アーム３の上面に貼着されたＦＰＣ４の折り返し部
4aを磁気ディスク面側に曲折し、その折り返し部4aの導
体パターン4-1 先端と前記フレキシャ１の磁気ディスク
面側に形成された上記接続ランド1-1bを接触させて、こ
の接触部分を半田付けにより接続している。Then, as shown in FIG. 2A, the other end of the flexure 1 having the head slider 2 fixed to one end is bonded to the lower surface of the support arm 3 (the surface facing the magnetic disk surface). Or, a folded portion of the FPC 4 attached to the upper surface of the support arm 3 by joining by spot welding or the like.
The flexure 4a is bent toward the magnetic disk surface, and the end of the conductor pattern 4-1 of the folded portion 4a is brought into contact with the connection land 1-1b formed on the magnetic disk surface of the flexure 1, and this contact portion is soldered. It is connected by attaching.
【０００５】[0005]
【発明が解決しようとする課題】以上説明した従来のヘ
ッドアッセンブリで問題となるのは、図２(a) に示すよ
うに支持アーム３の上面に貼着したＦＰＣ４の折り返し
部4aを曲折して、図２(b) に示すように当該支持アーム
３と結合したフレキシャ１の下面（磁気ディスクと対向
する面）に形成した接続ランド1-1bを接触させ、当該接
続ランド1-1bと折り返し部4aの導体パターン4-1 先端と
を半田付けされているために、図３に示す如くその半田
の盛り上がりにより前記磁気ディスクの記録面とフレキ
シャ１の下面との間隔を狭めることができないという問
題が生じている。The problem with the conventional head assembly described above is that the folded portion 4a of the FPC 4 attached to the upper surface of the support arm 3 is bent as shown in FIG. As shown in FIG. 2B, the connection land 1-1b formed on the lower surface (the surface facing the magnetic disk) of the flexure 1 connected to the support arm 3 is brought into contact with the connection land 1-1b and the folded portion. Since the tip of the conductor pattern 4a of FIG. 4a is soldered, the space between the recording surface of the magnetic disk and the lower surface of the flexure 1 cannot be reduced due to the swelling of the solder as shown in FIG. Has occurred.
【０００６】本発明は上記のような問題点に鑑み、磁気
ディスクの記録面とフレキシャの下面との間隔を狭める
ことができて、更に磁気ディスク装置の薄型化に寄与す
ることができる磁気ディスク装置のヘッドアッセンブリ
の提供を目的とする。In view of the above problems, the present invention can reduce the distance between the recording surface of the magnetic disk and the lower surface of the flexure, and can further contribute to the reduction in thickness of the magnetic disk device. The purpose of the present invention is to provide a head assembly.
【０００７】[0007]
【課題を解決するための手段】本発明は、磁気ヘッド
と、それを支持し且つ磁気ディスクと対向する面に該磁
気ヘッドと導通する信号用導体パターンが形成されたフ
レキシャ、及び当該フレキシャを支持し且つキャリッジ
に固定される支持アームを備えたヘッドアッセンブリに
おいて、上記フレキシャの上記支持アーム側の端部を上
記信号用導体パターンと共に上記キャリッジ付近まで延
長し、この延長端部上の信号用導体パターンとＦＰＣと
を接続するように構成する。SUMMARY OF THE INVENTION The present invention relates to a flexure having a magnetic head, a signal conductor pattern supporting the magnetic head and conducting to the magnetic head on a surface facing the magnetic disk, and a flexure supporting the flexure. A head assembly having a support arm fixed to the carriage, wherein the end of the flexure on the support arm side is extended together with the signal conductor pattern to the vicinity of the carriage, and the signal conductor pattern on the extended end is And the FPC.
【０００８】本発明では、ヘッド支持アームの根元まで
延長したフレキシャの端部に信号用導体パターンの接続
端を導出し、キャリッジの近くでＦＰＣと接続するの
で、接続半田の盛り上がりによる磁気ディスへの干渉が
皆無となって、磁気ディスクの記録面とフレキシャまた
はフレキシャの下面との間隔を狭めることができて、更
に磁気ディスク装置の薄型化に寄与することが可能とな
る。In the present invention, the connection end of the signal conductor pattern is led out to the end of the flexure extending to the root of the head support arm and connected to the FPC near the carriage. Since there is no interference, the distance between the recording surface of the magnetic disk and the flexure or the lower surface of the flexure can be reduced, and it is possible to further contribute to thinning of the magnetic disk device.
【０００９】[0009]
【発明の実施の形態】以下、図１について本発明の実施
例を詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the present invention will be described in detail with reference to FIG.
【００１０】図１(a) に示すように、一端縁に磁気ディ
スクの情報を読み書きするヘッドスライダ２を固着した
フレキシャ31の他方側スプリング部先端に、そのスプリ
ング部より狭い幅でキャリッジ５に固定された上記支持
アーム３のアーム固定部3aへ達する長さの突出部31ａを
成形して、磁気ディスクと対向する面に予め上記ヘッド
スライダ２と電気的に導通させた例えば２本の導体パタ
ーン31-1ａを上記突出部31ａの先端縁まで形成し、この
導体パターン31-1ａのそれぞれ先端に接続ランド31-1ｂ
を設ける。As shown in FIG. 1 (a), a flexure 31 having a head slider 2 for reading and writing information on a magnetic disk fixed to one end thereof is fixed to the carriage 5 at the tip of the other spring portion on the other side with a width smaller than the spring portion. A projection 31a having a length reaching the arm fixing portion 3a of the support arm 3 is formed, and, for example, two conductor patterns 31 electrically connected to the head slider 2 in advance on the surface facing the magnetic disk. -1a is formed up to the tip edge of the protruding portion 31a, and the connection lands 31-1b are respectively attached to the tips of the conductor patterns 31-1a.
Is provided.
【００１１】そして、図１(a) に示す如く前記支持アー
ム３の下面に上記フレキシャ31のスプリング部よりキャ
リッジ５側を結合して、当該フレキシャ31の突出部31ａ
先端を支持アーム３の固定部でキャリッジ５に沿わせて
曲折しても良い。この上記フレキシャ31の突出部31ａ先
端に形成した上記接続ランド31-1ｂと当該キャリッジ５
の外周面に貼着したＦＰＣ34の導体パターン34-1先端と
を接触させ、この接触部分を半田付けにより接続してい
る。Then, as shown in FIG. 1A, the carriage 5 is connected to the lower surface of the support arm 3 from the spring portion of the flexure 31, so that the protrusion 31a of the flexure 31 is formed.
The distal end may be bent along the carriage 5 at the fixed portion of the support arm 3. The connection land 31-1b formed at the tip of the protrusion 31a of the flexure 31 and the carriage 5
The tip of the conductor pattern 34-1 of the FPC 34 attached to the outer peripheral surface of the FPC 34 is brought into contact, and this contact portion is connected by soldering.
【００１２】その結果、半田付けによる接続部分がキャ
リッジ５の外周面となり、磁気ディスクと干渉しなくな
って磁気ディスク装置を薄くすることができるととも
に、組立ての容易化を図ることができる。As a result, the connection portion by soldering becomes the outer peripheral surface of the carriage 5, and does not interfere with the magnetic disk, so that the magnetic disk device can be made thinner and the assembling can be facilitated.
【００１３】[0013]
【発明の効果】以上の説明から明らかなように本発明に
よれば、フレキシャの磁気ヘッドを支持する端部とは反
対側の端部を信号用導体パターンと共にキャリッジ付近
まで延長した極めて簡単な構造で、接続部がキャリッジ
の外周面となり、磁気ディスクと干渉しなくなり更に磁
気ディスク装置を薄くすることができるとともに、組立
ての容易化を図ることができる等の利点があり、著しい
経済的及び、信頼性向上の効果が期待できる磁気ディス
ク装置のヘッドアッセンブリを提供することができる。As is apparent from the above description, according to the present invention, an extremely simple structure in which the end opposite to the end supporting the magnetic head of the flexure is extended to the vicinity of the carriage together with the signal conductor pattern. Therefore, the connecting portion serves as the outer peripheral surface of the carriage, does not interfere with the magnetic disk, and further has the advantages that the magnetic disk device can be made thinner and that the assembly can be facilitated. Thus, it is possible to provide a magnetic disk drive head assembly that can be expected to have an effect of improving performance.
【図１】 本発明の磁気ディスク装置のヘッドアッセン
ブリの裏面から見た斜視図および側面図である。FIG. 1 is a perspective view and a side view of a head assembly of a magnetic disk drive according to the present invention, as viewed from the back surface.
【図２】 従来のヘッドアッセンブリの平面および裏面
から見た斜視図である。FIG. 2 is a perspective view of a conventional head assembly as viewed from the top and the back.
【図３】 従来の問題点を説明するための断面図であ
る。FIG. 3 is a cross-sectional view for explaining a conventional problem.
２ ヘッドスライダ、 ３ 支持アーム、 3a アーム固定部、 ５ キャリッジ、 ６ 磁気ディスク、 31 フレキシャ、 31-1ａ，34-1 導体パターン、 31-1ｂ 接続ランド、 34 ＦＰＣ、 31ａ 突出部 2 head slider, 3 support arm, 3a arm fixing part, 5 carriage, 6 magnetic disk, 31 flexure, 31-1a, 34-1 conductor pattern, 31-1b connection land, 34 FPC, 31a protrusion
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 5D042 NA01 PA10 TA07 5D059 AA01 BA01 CA01 CA05 DA36 EA07 5D068 AA01 BB01 CC11 EE16 GG03 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5D042 NA01 PA10 TA07 5D059 AA01 BA01 CA01 CA05 DA36 EA07 5D068 AA01 BB01 CC11 EE16 GG03
Claims (1)
ィスクと対向する面に該磁気ヘッドと導通する信号用導
体パターンが形成されたフレキシャ、及び当該フレキシ
ャを支持し且つキャリッジに固定された支持アームを備
えたヘッドアッセンブリにおいて、 上記フレキシャの上記支持アーム側の端部を上記信号用
導体パターンと共に上記キャリッジ付近まで延長し、こ
の延長端部上の信号用導体パターンとＦＰＣとを接続す
るように構成したことを特徴とする磁気ディスク装置の
ヘッドアッセンブリ。1. A magnetic head, a flexure having a signal conductor pattern formed on a surface supporting the magnetic head and facing the magnetic disk and electrically connected to the magnetic head, and a support supporting the flexure and fixed to a carriage. In a head assembly including an arm, an end of the flexure on the support arm side is extended to near the carriage together with the signal conductor pattern, and the FPC is connected to the signal conductor pattern on the extended end. A head assembly for a magnetic disk drive, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001399784A JP2002230731A (en) | 2001-12-28 | 2001-12-28 | Head assembly for magnetic disk device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001399784A JP2002230731A (en) | 2001-12-28 | 2001-12-28 | Head assembly for magnetic disk device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2519693A Division JPH06243449A (en) | 1993-02-15 | 1993-02-15 | Head assembly of magnetic disk device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002230731A true JP2002230731A (en) | 2002-08-16 |
Family
ID=19189524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001399784A Pending JP2002230731A (en) | 2001-12-28 | 2001-12-28 | Head assembly for magnetic disk device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002230731A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007021081A1 (en) | 2005-08-12 | 2007-02-22 | Lg Electronics Inc. | Thermal storage air conditioner |
-
2001
- 2001-12-28 JP JP2001399784A patent/JP2002230731A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007021081A1 (en) | 2005-08-12 | 2007-02-22 | Lg Electronics Inc. | Thermal storage air conditioner |
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