JPS6386109A - Magnetic head device for magnetic disk device - Google Patents

Magnetic head device for magnetic disk device

Info

Publication number
JPS6386109A
JPS6386109A JP23175886A JP23175886A JPS6386109A JP S6386109 A JPS6386109 A JP S6386109A JP 23175886 A JP23175886 A JP 23175886A JP 23175886 A JP23175886 A JP 23175886A JP S6386109 A JPS6386109 A JP S6386109A
Authority
JP
Japan
Prior art keywords
recording
thin film
reproducing circuit
film head
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
Application number
JP23175886A
Other languages
Japanese (ja)
Inventor
Toru Takemura
武村　亨
Masakatsu Hattori
正勝 服部
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP23175886A priority Critical patent/JPS6386109A/en
Publication of JPS6386109A publication Critical patent/JPS6386109A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • G11B33/122—Arrangements for providing electrical connections, e.g. connectors, cables, switches
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/312—Details for reducing flux leakage between the electrical coil layers and the magnetic cores or poles or between the magnetic cores or poles
    • G11B5/3123—Details for reducing flux leakage between the electrical coil layers and the magnetic cores or poles or between the magnetic cores or poles by using special coil configurations or conductors
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)

Abstract

PURPOSE:To shorten a connecting wiring between a thin film head and a recording/reproducing circuit, and to reduce the influence of a noise, exerted on a signal transfer, by providing an IC chip-shaped recording/reproducing circuit on a slider block in the vicinity of the thin film head. CONSTITUTION:An IC chip-shaped recording/reproducing circuit 20 is attached onto a slider block 12 in the vicinity of a thin film head constituted of a coil 10 and a gap 11. The recording/reproducing circuit 20 is connected to a led pad part 13 by wire bonding, and connected to a lead wire of the coil 10 through the lead pad part 13. Also, the recording/reproducing circuit 20 is connected to each wiring of a power source, a ground, a write signal, a write current, and a read output through each lead pad provided on the slider block 12. In this way, a connecting wiring between the recording/reproducing circuit 20 and the thin film head is shortened, and the influence of a noise from the outside being exerted on a signal transfer can be reduced.

Description

【発明の詳細な説明】 ［発明の目的コ （産業上の利用分野） 本発明は、薄膜ヘッドを使用する磁気ディスク装置の磁
気ヘッド装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention (Industrial Application Field) The present invention relates to a magnetic head device for a magnetic disk drive using a thin film head.

（従来の技術） 従来、磁気ディスク装置では、フェライトからなる磁気
ヘッドと浮動スライダを一体化したモノシリツク型磁気
ヘッド装置が主流である。しかし、近年、薄膜ヘッドか
らなる磁気ヘッド装置が開発されている。薄膜ヘッドは
、コイルをフォトリソグラフィ法を利用して形成される
磁気ヘッドであり、磁気ディスク装置の小型化及び高密
度記録化に適したヘッドである。(Prior Art) Conventionally, monolithic magnetic head devices, in which a magnetic head made of ferrite and a floating slider are integrated, have been mainstream in magnetic disk devices. However, in recent years, magnetic head devices comprising thin film heads have been developed. A thin film head is a magnetic head formed by using a photolithography method to form a coil, and is a head suitable for downsizing and high-density recording of magnetic disk devices.

このような磁気ヘッド装置は、第２図（側面図）に示す
ように、コイル１０．ギャップ１１からなる薄膜ヘッド
及び浮動スライダであるスライダブロック１２とから構
成されている。薄膜ヘッドは、通常ではヘッドアーム（
図示せず）に取付けられており、コイル１０のリード線
がスライダブロック１２に設けられたリードパッド部１
３を通じて記録再生回路１４に接続されている。薄膜ヘ
ッドは、記録再生回路１４ヘデイスクから読出したリー
ド信号を出力し、また記録再生回路１４からのライト信
号に応じてデータをディスクにライトする動作を行なう
。As shown in FIG. 2 (side view), such a magnetic head device includes a coil 10. It is composed of a thin film head consisting of a gap 11 and a slider block 12 which is a floating slider. Thin film heads usually have a head arm (
(not shown), and the lead wire of the coil 10 is provided on the slider block 12.
It is connected to the recording/reproducing circuit 14 through 3. The thin film head outputs a read signal read from the disk to the recording/reproducing circuit 14, and performs an operation of writing data onto the disk in response to a write signal from the recording/reproducing circuit 14.

ところで、記録再生回路１４は薄膜ヘッドとは離れた箇
所に配置されており、例えばフレキシブルケーブル等の
配線により薄膜ヘッドに接続されている。しかしながら
、前記のような配線が長い場合には、ノイズの影響を受
は易くなり、薄膜ヘッドからのリード信号にエラーが発
生するなどの事態が発生する。Incidentally, the recording/reproducing circuit 14 is located at a location separate from the thin film head, and is connected to the thin film head by wiring such as a flexible cable, for example. However, when the wiring is long as described above, it is easily influenced by noise, and a situation such as an error occurs in the read signal from the thin film head occurs.

（発明が解決しようとする問題点） 従来の薄膜ヘッドを使用する磁気ヘッド装置では、薄膜
ヘッドと記録再生回路間の接続用配線が長くなり、ノイ
ズの影響を受は易くなる。このため、リード信号等にエ
ラーが発生するなど、磁気ディスク装（λの性能が低下
する問題がある。(Problems to be Solved by the Invention) In a magnetic head device using a conventional thin-film head, the wiring for connection between the thin-film head and the recording/reproducing circuit becomes long, making it susceptible to noise. Therefore, there is a problem in that the performance of the magnetic disk device (λ) deteriorates, such as errors occurring in read signals and the like.

本発明の目的は、薄膜ヘッドと記録再生回路間の接続用
配線を短縮して、ノイズの影響を低減し、磁気ディスク
装置のり−ド／ライト動作を確実に行なうことができる
磁気ディスク装置の磁気ヘッド装置を提供することにあ
る。An object of the present invention is to reduce the influence of noise by shortening the connection wiring between a thin-film head and a recording/reproducing circuit, and to provide a magnetic disk device capable of reliably performing read/write operations of the magnetic disk device. The purpose of the present invention is to provide a head device.

［発明の構成コ （問題点を解決するための手段と作用）本発明は、薄膜
ヘッド及びスライダブロックからなる磁気ヘッド装置に
おいて、薄膜ヘッドの近傍でスライダブロック上に設け
、薄膜ヘッドにワイヤボンディングにより接続されたＩ
Ｃチップ状の記録再生回路を６えた磁気ヘッドである。[Structure of the Invention (Means and Effects for Solving the Problems)] The present invention provides a magnetic head device consisting of a thin film head and a slider block, in which a magnetic head is provided on the slider block near the thin film head, and is attached to the thin film head by wire bonding. connected I
This is a magnetic head equipped with six C-chip recording/reproducing circuits.

このような構成により、薄膜ヘッドと記録再生回路との
接続線を大幅に短縮することが可能となる。With such a configuration, it is possible to significantly shorten the connection line between the thin film head and the recording/reproducing circuit.

（実施例） 以下図面を参照して本発明の詳細な説明する。第１図は
同実施例の磁気ヘッド装置の構成を示す側面図である。(Example) The present invention will be described in detail below with reference to the drawings. FIG. 1 is a side view showing the configuration of the magnetic head device of the same embodiment.

第１図に示すように、コイル１０とギャップ１１からな
る薄膜ヘッドの近訪で、スライダブロック１２上にＩＣ
（集積回路）チップ状の記録再生回路２０を取付ける。As shown in FIG. 1, when a thin film head consisting of a coil 10 and a gap 11 is approached, an IC is placed on a slider block 12.
(Integrated circuit) Attach a chip-shaped recording/reproducing circuit 20.

記録再生回路２０は、リードパッド部１３とワイヤボン
ディングにより接続されており、このリードパッド部１
３を通じてコイル１０のリード線に接続されることにな
る。また、記録再生回路２０は、スライダブロック１２
に設けられた各リードバッド２１を通じて、電源、接地
、ライト信号、ライト電流及びリード出力の各配線に接
続されることになる。The recording/reproducing circuit 20 is connected to the lead pad section 13 by wire bonding.
3 to the lead wire of the coil 10. The recording/reproducing circuit 20 also includes a slider block 12.
It is connected to each wiring for power supply, ground, write signal, write current, and read output through each read pad 21 provided in .

このようにして、スライダブロック１２上にＩＣチップ
状の記録再生回路２０を取付けることにより、記録再生
回路２０と薄膜ヘッド間の接続配線を短縮することがで
きる。このため、記録再生回路２０からライト信号を薄
膜ヘッドへ出力したり、また薄膜ヘッドからのリード信
号を記録再生回路２０へ出力する際に、外部からのノイ
ズの影響を大幅に低減することが可能となる。したがっ
て、ノイズにより薄膜ヘッドからのリード信号にエラー
が発生するなどの事態を防止することができる。By mounting the IC chip-shaped recording/reproducing circuit 20 on the slider block 12 in this manner, the connection wiring between the recording/reproducing circuit 20 and the thin film head can be shortened. Therefore, when outputting a write signal from the recording/reproducing circuit 20 to the thin-film head or outputting a read signal from the thin-film head to the recording/reproducing circuit 20, it is possible to significantly reduce the influence of external noise. becomes. Therefore, it is possible to prevent a situation where an error occurs in the read signal from the thin film head due to noise.

また、記録再生回路２０を設けるためのスペースを大幅
に減少することができるため、磁気ディスク装置の小型
化を促進することができる。Further, since the space for providing the recording/reproducing circuit 20 can be significantly reduced, it is possible to promote downsizing of the magnetic disk device.

［発明の効果コ 以上詳述したように本発明によれば、薄膜ヘッドにより
構成した磁気ヘッド装置において、薄膜ヘッドの近傍で
同一のスライダブロック上にＩＣチップ状の記録再生回
路を設け、ワイヤボンディングによりその記録再生回路
と薄膜ヘッドを接続するように構成する。これにより、
薄膜ヘッドとご己録再生回路との接続配線を、従来より
大幅に環線することができる。したがって、薄膜ヘッド
と記録再生回路との間における信号転送に対するノイズ
の影響を大幅に低減することができる。このため、結果
的にデータのリード／ライト動作を確実に行なうことが
できる磁気ディスク装置を構成することができるもので
ある。[Effects of the Invention] As detailed above, according to the present invention, in a magnetic head device configured with a thin film head, an IC chip-shaped recording/reproducing circuit is provided on the same slider block near the thin film head, and wire bonding is performed. The recording/reproducing circuit is connected to the thin film head by the following. This results in
The connection wiring between the thin film head and your own recording/playback circuit can be made much more circular than before. Therefore, the influence of noise on signal transfer between the thin film head and the recording/reproducing circuit can be significantly reduced. As a result, it is possible to construct a magnetic disk device that can reliably perform data read/write operations.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の実施例に係わる磁気ヘッド装置の構成
を示す側面図、第２図は従来の磁気ヘッド装置の構成を
示す側面図である。 １０・・・コイル、１１・・・ギャップ、１２・・・ス
ライダブロック、１３．２１・・・リードパッド部、２
０・・・ＩＣチップ状の記録再生回路。FIG. 1 is a side view showing the structure of a magnetic head device according to an embodiment of the present invention, and FIG. 2 is a side view showing the structure of a conventional magnetic head device. 10... Coil, 11... Gap, 12... Slider block, 13.21... Lead pad portion, 2
0...IC chip-shaped recording/reproducing circuit.

Claims (1)

【特許請求の範囲】 薄膜ヘッド及びスライダブロックからなる磁気ディスク
装置の磁気ヘッド装置において、 前記薄膜ヘッドの近傍で前記スライダブロック上に設け
られて、前記薄膜ヘッドにワイヤボンディングにより接
続されたＩＣチップ状の記録再生回路を具備したことを
特徴とする磁気ディスク装置の磁気ヘッド装置。[Scope of Claims] In a magnetic head device for a magnetic disk device comprising a thin film head and a slider block, an IC chip-shaped IC chip provided on the slider block near the thin film head and connected to the thin film head by wire bonding. A magnetic head device for a magnetic disk device, characterized in that it is equipped with a recording/reproducing circuit.
JP23175886A 1986-09-30 1986-09-30 Magnetic head device for magnetic disk device Pending JPS6386109A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23175886A JPS6386109A (en) 1986-09-30 1986-09-30 Magnetic head device for magnetic disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23175886A JPS6386109A (en) 1986-09-30 1986-09-30 Magnetic head device for magnetic disk device

Publications (1)

Publication Number Publication Date
JPS6386109A true JPS6386109A (en) 1988-04-16

Family

ID=16928570

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23175886A Pending JPS6386109A (en) 1986-09-30 1986-09-30 Magnetic head device for magnetic disk device

Country Status (1)

Country Link
JP (1) JPS6386109A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402074A (en) * 1993-05-13 1995-03-28 Seagate Technology, Inc. Thin film magnetic head having electrical connection to core
US5528819A (en) * 1992-04-30 1996-06-25 International Business Machines Corporation Combination transducer/slider/suspension and method for making

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5528819A (en) * 1992-04-30 1996-06-25 International Business Machines Corporation Combination transducer/slider/suspension and method for making
US5761005A (en) * 1992-04-30 1998-06-02 International Business Machines Corporation Combination transducer/slider/suspension
USRE36538E (en) * 1992-04-30 2000-02-01 International Business Machines Corporation Combination transducer/slider/suspension and method for making
US5402074A (en) * 1993-05-13 1995-03-28 Seagate Technology, Inc. Thin film magnetic head having electrical connection to core

Similar Documents

Publication Publication Date Title
JP3199977B2 (en) Disk unit
US7064928B2 (en) Method and apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head
JP2000195023A (en) Head suspension assembly and magnetic disk drive loading the same assembly
JPH0330205B2 (en)
US7051423B2 (en) Testing method for a head IC
US6400529B1 (en) Integrated circuit chip supporting and electrically connecting a head slider
JP2693614B2 (en) Thin film magnetic head and method of manufacturing the same
JPH0670848B2 (en) Magnetic head device
US7542231B2 (en) Disc drive apparatus having drive electronics top mounted on flexible printed circuit board
JPS6386109A (en) Magnetic head device for magnetic disk device
JPH0325717A (en) Magnetic head device
JP2806378B2 (en) Magnetic head slider
JPH02199609A (en) Magnetic head device
JPH1125408A (en) Magnetic disk device
JPS63298809A (en) Magnetic head device
KR100260407B1 (en) Actuator assembly of hard disc driving apparatus
US7881015B2 (en) Overpass structure of flexible printed cable (FPC) signal lines with suspension signal lines for a hard disk drive
US11069375B1 (en) Suspension standoff arrangement for confining adhesive
JP2002184133A (en) Disk unit
US11081130B1 (en) Suspension standoff arrangement for confining adhesive
JPH1092124A (en) Magnetic disc apparatus
US6700751B2 (en) Multi-channel magnetoresistive head device
JPH04134611A (en) Thin film magnetic head and slider
JPS60109106A (en) Flexible cable for magnetic head
JPH0474767B2 (en)