JPH01217718A - Thin film multiple magnetic head - Google Patents

Thin film multiple magnetic head

Info

Publication number
JPH01217718A
JPH01217718A JP4294688A JP4294688A JPH01217718A JP H01217718 A JPH01217718 A JP H01217718A JP 4294688 A JP4294688 A JP 4294688A JP 4294688 A JP4294688 A JP 4294688A JP H01217718 A JPH01217718 A JP H01217718A
Authority
JP
Japan
Prior art keywords
head
magnetic head
thin film
elements
parallel
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
JP4294688A
Other languages
Japanese (ja)
Inventor
Hirotaka Okita
宏隆 大喜多
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.)
Brother Industries Ltd
Original Assignee
Brother Industries Ltd
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 Brother Industries Ltd filed Critical Brother Industries Ltd
Priority to JP4294688A priority Critical patent/JPH01217718A/en
Publication of JPH01217718A publication Critical patent/JPH01217718A/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
    • 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
    • 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
    • G11B5/488—Disposition of heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)

Abstract

PURPOSE:To density the track intervals of head elements by forming magnetic cores and coils on the side surface of a head substrate, for which level differences are previously provided, in parallel. CONSTITUTION:Plural head elements formed in parallel by a photolithography technology are provided for the side surface part of a head substrate 1 for which level differences 1a for the track intervals are previously provided. Namely, for the respective level difference parts 1a, the head elements are formed with head cores 2 to write and read signals and coils 3 to cause to flow currents in the head cores 2 and generate super power at the time of reproducing. Consequently, the plural head elements are arranged for the head substrate 1 at the pitch of B. Thus, the track intervals can be densitied.

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、磁気記録装置の薄膜マルチ磁気ヘッドに関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a thin film multi-magnetic head for a magnetic recording device.

［従来技術］ 従来、磁気ディスクＤと対向配置された薄膜マルチ磁気
ヘッドは第３図に示されるように、ヘッド基体４の後部
にヘッドエレメント５が並列に形成されていた。[Prior Art] Conventionally, a thin film multi-magnetic head disposed facing a magnetic disk D has head elements 5 formed in parallel at the rear of a head base 4, as shown in FIG.

［発明が解決しようとする問題点］ しかしながら、ヘッド基体の後部に並列にヘッドエレメ
ントを形成すると、各ヘッドエレメントのギャップＡは
数十μｍの間隔をおいて位置することになり、トラック
密度を増加させることが困難となる。[Problems to be Solved by the Invention] However, when the head elements are formed in parallel at the rear of the head base, the gaps A between the head elements are located at intervals of several tens of μm, which increases the track density. It becomes difficult to do so.

［発明の目的］ 本発明は、上述した問題点を解決するためになされたも
のであり、ヘッドエレメントをヘッド基体の側面に配置
することにより、ヘッドエレメントのトラック間隔を密
にすることを目的としている。[Object of the Invention] The present invention has been made in order to solve the above-mentioned problems, and has the purpose of increasing the track spacing of the head elements by arranging the head elements on the side surface of the head base. There is.

［問題点を解決するための手段］ この目的を達成するために本発明の薄膜マルチ磁気ヘッ
ドは、予めトラック間隔分の段差が設けられたヘッド基
体のｒＩＩＩＷＪ部に、フォトリソグラフィ技術によっ
て並列的に形成された複数のヘッドエレメントを備えて
いる。[Means for Solving the Problems] In order to achieve this object, the thin film multi-magnetic head of the present invention has a thin film multi-magnetic head that uses a photolithography technique to apply parallel magnetic strips to A plurality of head elements are formed.

［作用］ 上記の構成を有する発明は、媒体走行時に、各ヘッドエ
レメントにそれぞれ記録電流が流され、ヘッド基体の段
差部だけ間隔をあけて複数のトラックを同時記録する。[Operation] In the invention having the above configuration, when the medium runs, a recording current is applied to each head element, and a plurality of tracks are simultaneously recorded with an interval corresponding to the stepped portion of the head base.

また、再生時において複数のヘッドエレメントが同時に
それぞれの直下のトラックから信号を読取る。Furthermore, during playback, a plurality of head elements simultaneously read signals from the tracks immediately below each of them.

［実施例］ 以下、本発明を具体化した一実施例を図面を参照して説
明する。[Example] Hereinafter, an example embodying the present invention will be described with reference to the drawings.

最初に第１図及び第２図を参照してヘッド全体の構成を
説明すると、ヘッド基体１には予め例えば３μｍの段差
１ａが設けられており、各段差部１ａには信号の書込み
及び読取りを行うヘッドコア２と、ヘッドコア２に電流
を流し、再生時には起電力が生じるコイル３でヘッドエ
レメントが形成されている。従って、ヘッド基体１には
Ｂのピッチで複数のヘッドエレメントが配置されること
になり、トラック間隔を密にすることができる。First, the overall configuration of the head will be explained with reference to FIGS. 1 and 2. The head base 1 is provided with a step 1a of, for example, 3 μm in advance, and each step 1a is used for writing and reading signals. A head element is formed by a head core 2 that performs playback, and a coil 3 that causes an electric current to flow through the head core 2 and generates an electromotive force during reproduction. Therefore, a plurality of head elements are arranged on the head base 1 at a pitch of B, and the track spacing can be made dense.

次に、第２図を用いて本実施例の１１１ｍマルチ磁気ヘ
ッドの動作を説明する。ヘッド基体１の側面に並列的に
形成された複数のヘッドエレメントは、記録時には各コ
イル３に電流が流され、ヘッドコア２に磁界が生じ複数
のトラックを同時に書込む。Next, the operation of the 111m multi-magnetic head of this embodiment will be explained using FIG. In the plurality of head elements formed in parallel on the side surface of the head base 1, a current is passed through each coil 3 during recording, and a magnetic field is generated in the head core 2 to simultaneously write a plurality of tracks.

また、再生時には、それぞれヘッドエレメントの直下の
トラックから信号を同時に読取る。Furthermore, during playback, signals are simultaneously read from the tracks immediately below each head element.

［発明の効果］ 以上詳述したことから明らかなように、本発明によれば
、段差部に形成したヘッドエレメントによって高トラツ
ク密度のマルチトラック記録・再生が可能となる。[Effects of the Invention] As is clear from the above detailed description, according to the present invention, multi-track recording and reproduction with high track density is possible by the head element formed in the stepped portion.

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

第１図から第２図は本発明を具体化した実施例を示すも
ので、第１図は本発明の実施例の構成を説明する説明図
、第２図は本発明の実施例の動作を示す平面図、第３図
は従来例を示す図面である。 図中、１はヘッド基体、２はへラドコア、３はコイル、
４はヘッド基体、５はヘッドエレメントである。1 to 2 show an embodiment embodying the present invention. FIG. 1 is an explanatory diagram for explaining the configuration of the embodiment of the present invention, and FIG. 2 is an explanatory diagram illustrating the operation of the embodiment of the present invention. The plan view shown in FIG. 3 is a drawing showing a conventional example. In the figure, 1 is the head base, 2 is the herad core, 3 is the coil,
4 is a head base, and 5 is a head element.

Claims (1)

【特許請求の範囲】[Claims] １、信号の記録・再生を行う磁気コアと、そのコアを中
心に渦巻き状に形成されたコイルをそれぞれ多数個有す
る薄膜マルチ磁気ヘッドにおいて、前記磁気コア及びコ
イルが予め段差を設けられたヘッド基体の側面に並列的
に形成されていることを特徴とする薄膜マルチ磁気ヘッ
ド。1. In a thin film multi-magnetic head having a magnetic core for recording and reproducing signals and a large number of coils formed spirally around the core, a head base in which the magnetic cores and coils are provided with steps in advance. A thin-film multi-magnetic head characterized by being formed in parallel on the sides of the magnetic head.
JP4294688A 1988-02-25 1988-02-25 Thin film multiple magnetic head Pending JPH01217718A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4294688A JPH01217718A (en) 1988-02-25 1988-02-25 Thin film multiple magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4294688A JPH01217718A (en) 1988-02-25 1988-02-25 Thin film multiple magnetic head

Publications (1)

Publication Number Publication Date
JPH01217718A true JPH01217718A (en) 1989-08-31

Family

ID=12650179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4294688A Pending JPH01217718A (en) 1988-02-25 1988-02-25 Thin film multiple magnetic head

Country Status (1)

Country Link
JP (1) JPH01217718A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04186511A (en) * 1990-11-21 1992-07-03 Matsushita Electric Ind Co Ltd Multichannel thin-film magnetic head
EP0702357A3 (en) * 1994-09-16 1996-11-27 Toshiba Kk Magneto-resistance effect head and magnetic recording/reproducing head thereof
US6256171B1 (en) 1996-09-30 2001-07-03 Kabushiki Kaisha Toshiba Thin film magnetic head having an improved heat dispersion and magnetic recording apparatus using the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04186511A (en) * 1990-11-21 1992-07-03 Matsushita Electric Ind Co Ltd Multichannel thin-film magnetic head
EP0702357A3 (en) * 1994-09-16 1996-11-27 Toshiba Kk Magneto-resistance effect head and magnetic recording/reproducing head thereof
US6256171B1 (en) 1996-09-30 2001-07-03 Kabushiki Kaisha Toshiba Thin film magnetic head having an improved heat dispersion and magnetic recording apparatus using the same

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