JPS61107509A - Magnetic head - Google Patents

Magnetic head

Info

Publication number
JPS61107509A
JPS61107509A JP22852384A JP22852384A JPS61107509A JP S61107509 A JPS61107509 A JP S61107509A JP 22852384 A JP22852384 A JP 22852384A JP 22852384 A JP22852384 A JP 22852384A JP S61107509 A JPS61107509 A JP S61107509A
Authority
JP
Japan
Prior art keywords
magnetic
core
cores
magnetic head
short bar
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.)
Granted
Application number
JP22852384A
Other languages
Japanese (ja)
Other versions
JPH0352122B2 (en
Inventor
Yoshiharu Fujioka
藤岡　義治
Shoji Tsutaki
蔦木　昭治
Mitsuo Kato
三雄 加藤
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 JP22852384A priority Critical patent/JPS61107509A/en
Priority to US06/791,530 priority patent/US4748527A/en
Priority to DE19853538632 priority patent/DE3538632A1/en
Publication of JPS61107509A publication Critical patent/JPS61107509A/en
Publication of JPH0352122B2 publication Critical patent/JPH0352122B2/ja
Granted 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
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • G11B5/2651—Manufacture
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads

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 improve the assembling workability and assembling accuracy by using a couple of nonmagnetic cores having a nearly channel shape to an end of which a short bar is provided to clip a couple of magnetic cores and a coil. CONSTITUTION:The short bar 46 is provided to each end of nonmagnetic sliders 43, 44. In constituting a magnetic head, the nonmagnetic sliders 43, 44 are bonded respectively to both sides of a magnetic head core 30 at first so that magnetic cores 31, 36 of the 1st and 2nd cores 35, 40 of the magnetic head core 30 are inserted freely to a coil 42 and an erasure coil and clip them. Then the front face of the magnetic head core 30 forms a sliding face 45 sliding a magnetic recording medium, and the magnetic cores 31, 32 and 36, 37 of the 1st and 2nd cores 35, 40 are connected via each short bar 46 of the non- magnetic sliders 43, 44 to form a closed magnetic path, and then the assembling is finished.

Description

【発明の詳細な説明】 〔発明の技術分野〕 この発明は例えばフロッピーディスク装置に用いられる
磁気ヘッドに関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a magnetic head used, for example, in a floppy disk device.

〔発明の技術的背景〕[Technical background of the invention]

従来、この種の磁気ヘッドは第５図（ａ）　、　（ｂ）
　。Conventionally, this type of magnetic head is shown in Figs. 5(a) and (b).
.

（Ｃ）に示すように磁気へラドコアＬが磁性体コア２及
び３をガラス４で接着して記録・読取り用のギャップ５
を形成した第１のコア６と磁性体コア７及び８ｆ！ニガ
ラス９で接着して消去用のギャップ１０人、ｚｏＢｆｔ
形成した第２のコア１ノとをガラスあるいは有機系等の
非磁性接着剤１２を用いて接着する。そして、上記磁気
へラドコア１は両側部にセラミック等の非磁性体スライ
ダー１２．１３がそｎぞｎ接着され、その前面部には図
示しない磁気記録媒体に摺接する摺動面１４が形成され
る。また、上記磁気へッドコアムはその基部において、
第１のコア望の一方の磁性体コア２が記録・読取り用の
フィル１５に遊貫さｎて、その端部が他方の磁性体コア
３にショートバー１６全介して接続され、かつ第２のコ
ア１１の一方の磁性体コア７が消去用のコイル１７に遊
貫されて、その端部が他方の磁性体コア８にショートバ
ー１８ｆ介して接続され、各閉磁路を形成するようにな
っているＯ 〔背景技術の問題点〕 ところが、上記磁気ヘッドではその構成上、磁気へラド
コアＬに対して非磁性体スライダー１２．１３及びショ
ートバー１６．１８を接着するようになっているので、
その組立て作業が非常に煩雑であると共に、強度的に弱
く、高密化を促進せんとしてコア厚（ｔ）　ｅ薄形にす
ると、破損等を起すという問題を有している。また、こ
ｎによれば、接着個所が多いことで、その構造上、接着
の際に均一に加圧できない接着層１９が生じ、上記磁気
記録媒体（図示せず）との摺接において、コア欠け２０
やいわゆる目づまりを起したり、ショートバー１６．１
８と磁性体コア２，３及び７，８との間に隙間ΔＳが１
　　　　　発生した°ノし１・　″効率を低下さすると
“う問題も有している。As shown in (C), the magnetic helad core L adheres the magnetic cores 2 and 3 with glass 4 to form a gap 5 for recording and reading.
The first core 6 and the magnetic cores 7 and 8f! 10 gaps for erasing by gluing with Nigarasu 9, zoBft
The formed second core 1 is adhered using a non-magnetic adhesive 12 such as glass or organic adhesive. Non-magnetic sliders 12 and 13 made of ceramic or the like are adhered to both sides of the magnetic helad core 1, and a sliding surface 14 is formed on the front surface of the slider for slidingly contacting a magnetic recording medium (not shown). . Further, the magnetic head core arm has, at its base,
One of the magnetic cores 2 of the first core loosely penetrates the recording/reading film 15, and its end is connected to the other magnetic core 3 through the short bar 16, and the second One magnetic core 7 of the core 11 is loosely passed through the erasing coil 17, and its end is connected to the other magnetic core 8 via a short bar 18f to form each closed magnetic circuit. [Problems with the Background Art] However, due to the structure of the magnetic head described above, the non-magnetic slider 12.13 and the short bar 16.18 are bonded to the magnetic head core L.
The assembly work is very complicated, the strength is weak, and if the core thickness (t) is made thinner in order to promote higher density, there is a problem that damage may occur. Further, according to this document, due to the large number of bonding points, the adhesive layer 19 cannot be evenly pressed during bonding due to its structure, and the core 19 is not able to be pressurized uniformly during bonding. Chip 20
or cause so-called clogging, short bar 16.1
8 and the magnetic cores 2, 3 and 7, 8, the gap ΔS is 1
There is also the problem that the resulting leakage reduces efficiency.

〔発明の目的〕 この発明は上記の事情に鑑みてなされたもので、可及的
に組立て作業性及び組立て精度を向上し得、かつ可及的
に薄形化を促進し得るようにした磁気ヘッドを提供する
ことを目的とする。[Object of the Invention] This invention was made in view of the above circumstances, and is a magnetic material that can improve assembly workability and assembly accuracy as much as possible, and promote thinning as much as possible. The purpose is to provide the head.

〔発明の概要〕[Summary of the invention]

すなわち、この発明は少なくとも一方の端部にショート
バーが設けられた略コ字形状の一対の非磁性体コアを用
いて一対の磁性体コア及びフィルを挾装するように構成
して、接着個所を減少せしめ初期の目的全達成したもの
である。That is, the present invention uses a pair of substantially U-shaped non-magnetic cores provided with a short bar on at least one end, and is configured to sandwich a pair of magnetic cores and fill. This achieved all of the initial objectives.

〔発明の実施例〕[Embodiments of the invention]

以下、この発明の実施例について図面全参照して詳細に
説明する。Hereinafter, embodiments of the present invention will be described in detail with reference to all the drawings.

第１図はこの発明の一実施例に係る磁気ヘッドを示すも
ので、３０は磁気へラドコアである０この磁気ヘッドコ
ア３０は磁性体コア３ノ及び３２をガラス３３で接着し
て記録・読取り用のギャップ３４が形成された第１のコ
ア３５と磁　　　、）性体コア３６及び３７ｔ−ガラス
３８で接着して消去用のギャップ３９に、３９Ｂが形成
された第２のコアエヱとを非磁性体接着剤４ノを用いて
接着する。そして、上記磁気へラドコア３０はその基部
において、上記第１のコア３５の一方の磁性体コア３１
の一方端が記録・読取り用のコイル４２に遊貫され、か
つ上記第２のコア４０の一方の磁性体コア３６の一方端
が消去用のコイル（第１図中では図の都合上で図示せず
）に遊貫された状態で、略フ字形状の一対の非磁性体ス
ライダー４３．４４が挾装するように接着されて、その
前面部に図示しない磁気記録媒体に摺接する摺動面４５
が形成さｎる。FIG. 1 shows a magnetic head according to an embodiment of the present invention, and 30 is a magnetic helad core. This magnetic head core 30 is made by bonding magnetic cores 3 and 32 with glass 33 for recording and reading purposes. A first core 35 with a gap 34 formed therein and a second core 35 with a magnetic core 36 and 37 formed with a non-magnetic material Glue using 4 types of adhesive. The magnetic helad core 30 has one magnetic core 31 of the first core 35 at its base.
One end of the magnetic core 36 of the second core 40 is loosely passed through the recording/reading coil 42, and one end of the magnetic core 36 of the second core 40 is an erasing coil (not shown in FIG. 1 for convenience of illustration). A pair of non-magnetic sliders 43 and 44 having a substantially F-shape are sandwiched between the sliders 43 and 44, and the front surface thereof has a sliding surface that comes into sliding contact with a magnetic recording medium (not shown). 45
is formed.

ここで、こｎら非磁性体スライダー４３．４４はそｎぞ
ｎ第２図に示すように略同様に構成さｎるもので、その
各一端部に記録・読取り用あるいは消去用のショートバ
ー４６がそｎぞｎ設けらｎる。このショートバー４６は
例えば磁性体を上記非磁性体スライダー４３．４４に埋
設してなるもので、該非磁性体スライダー４３゜４４の
着状態で、第１のコア旦における一方の磁性体３１の一
端と他方の磁性体コア３２との接続及び第２のコア４０
における一方の磁性体コア３６の一端と他方の磁性体コ
ア３７とを接続するようになっている。Here, these non-magnetic sliders 43 and 44 are constructed in substantially the same manner as shown in FIG. 46 are provided respectively. This short bar 46 is formed by, for example, embedding a magnetic material in the non-magnetic sliders 43 and 44, and when the non-magnetic sliders 43 and 44 are attached, one end of the magnetic material 31 in the first core connection with the other magnetic core 32 and the second core 40
One end of one magnetic core 36 and the other magnetic core 37 are connected.

すなわち、上記磁気ヘッドは取着構成する場合、まず磁
気へラドコア３０の第１及び＄２のコア３５．４０の各
一方の磁性体コア３ノ及び３６をコイル４２支び消去用
のフィル（図示せず）に遊貫し、次にこｎらを挾装する
ように非磁性体スライダー４３，４４ｆｆ磁気ヘツドコ
ア３０の両側部にそれぞれ接着する。しかして、上記磁
気へラドコア３０はその前面部において、上記磁気記録
媒体（図示せず）の摺接する摺動面４５を形成すると共
に、その第１及び第２のコア３５．４０の磁性体コア３
１と３２及び３６と３７とがそｎぞｎ上記非磁性体スラ
イダー４３．４４の各ショートバー４６を介して接続さ
ｎて閉磁路を形成し、その組立てを完了する０ このように、上記磁気ヘッドは少なくとも一方の一端部
にショートバー４６が設けられた略フ字形状の一対の非
磁性体スライダー４３．４４を用いて磁気へラドコア３
０ｆ挾装するように構成したので、接着便所が減少され
、可及的に組立て作業性を向上し与ると共に、その組立
て精度を効果的に向上し得るものである。また、これに
よれば非磁性体スライダー４３．４４の構造上、その強
度が効果的に向上されるので、近時要請さｎる高密度化
に好適するように、可及的に薄形化を促進し碍るもので
ある。That is, when the above-mentioned magnetic head is attached and configured, first, the magnetic cores 3 and 36 of each of the first and second cores 35 and 40 of the magnetic head core 30 are attached to the coil 42 and an erasing filter (Fig. (not shown), and then adhered to both sides of the non-magnetic sliders 43, 44ff and the magnetic head core 30 so as to sandwich them therebetween. Thus, the magnetic helad core 30 forms a sliding surface 45 on its front surface, on which the magnetic recording medium (not shown) comes into sliding contact, and the magnetic cores of the first and second cores 35 and 40 3
1 and 32 and 36 and 37 are connected via each short bar 46 of the non-magnetic slider 43 and 44 to form a closed magnetic circuit and complete the assembly. The magnetic head uses a pair of non-magnetic sliders 43 and 44 that are approximately F-shaped and have a short bar 46 on at least one end of the magnetic helad core 3.
Since the structure is configured to be 0f clamped, the number of adhesives is reduced, and the assembly work efficiency is improved as much as possible, and the assembly precision can be effectively improved. In addition, according to this, the strength of the non-magnetic slider 43, 44 is effectively improved, so that it can be made as thin as possible to be suitable for the high density that is required in recent years. It promotes and improves the

また、この発明は上記実施例に限ることなく、第３図及
び第４図に示すように構成しても略同様の効果を期待で
きる。Further, the present invention is not limited to the above-mentioned embodiment, and substantially the same effects can be expected even if the structure is configured as shown in FIGS. 3 and 4.

まず、第３図は一方の非磁性体スライダー４７の一端部
に例えば記録・読取り用のショートバー４８及び消去用
のショートバー４９ｔ−所定の間隔を有して設け、他方
の磁性体スライダー（図示せず）にはショートバー全設
けないよｊ　　　　うに構成するものである。First, in FIG. 3, a short bar 48 for recording/reading and a short bar 49t for erasing are provided at one end of one non-magnetic slider 47 at a predetermined interval, and the other magnetic slider (see FIG. (not shown) is constructed so that the short bar is not provided at all.

そして、第４図は一方の非磁性体スライダー５０７！Ｉ
：略り字形状に形成して、その端部に記録・読取り用及
び消去用の磁性体ブロック５１及び５２がガラス等の接
着剤５３で間隔Δｌを有して接着されたショートバーブ
ロック５４ｆｆｌｐ合せしめ、略フ字形状に形成するよ
うに構成したものである。この場合、非磁性体スライダ
ー５０の他端の粘り合せ面５０ノ及びショートブロック
５４の粘り含せ面５４１はそれぞれ例えばラッピングに
よって同一平面となるように形成される。And, FIG. 4 shows one non-magnetic slider 507! I
: A short bar block 54fflp assembly formed into an abbreviated shape and having magnetic blocks 51 and 52 for recording/reading and erasing attached to the ends thereof with an adhesive 53 such as glass with a distance Δl. It is configured to have a substantially F-shape. In this case, the adhesive surface 50 of the other end of the non-magnetic slider 50 and the adhesive surface 541 of the short block 54 are each formed to be on the same plane by, for example, wrapping.

なお、この発明は上記各実施例に限ることなく、その外
、この発明の要旨を逸脱しない範囲で種々の変形？実施
し得ることは云う迄もないことである。Note that this invention is not limited to the above embodiments, and may be modified in various ways without departing from the gist of the invention. It goes without saying that it can be implemented.

〔発明の効果〕〔Effect of the invention〕

以上詳述したように、この発明にょｎば可及的に組立て
作業性及び組立て精度を向上し得、かっ可及的に薄形化
を促進し得るようにした磁気ヘッドを提供することがで
きる。　　　　　　　　　、：As described in detail above, according to the present invention, it is possible to provide a magnetic head in which assembly workability and assembly accuracy can be improved as much as possible, and thickness reduction can be promoted as much as possible. . , :

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

第１図はこの発明の一実施例に係る磁気ヘンドを示す構
成説明図、第２図は第１図の要部を示す斜視図、第３図
及び第４図はそｎ　−Ｅ　ｎこの発明の他の実施例の要
部を示す斜視図、第５図は従来の磁気ヘッドを示す構成
説明図である。 ３０・・・磁気へラドコア、３１．３２・・・磁性体コ
ア、３３・・・ガラス、３４・・・ギャップ、３５・・
・第１のコア、３６．３７・・・磁性体コア、３８・・
・ガラス、３９１．３９Ｂ・・・ギャップ、４０・・・
第２のコア、４１・・・非磁性体接着剤、４２・・・コ
イル、４３，４４川非磁性体スライダー、４５・・・摺
動面、４６・・・ショートバー、４７・・・非磁性体ス
ライダー、４８．４９・・・ショートバー、５０・・・
非磁性体スライダー、５１．５２・・・磁性体ブｏｙり
、５３・・・ＲＭＭ、５４−　ショートバーブロック。 出願人代理人　　弁理士　鈴　江　武　彦第１図 第　２ｙ！Ｊ 第３図 第４図Fig. 1 is a configuration explanatory diagram showing a magnetic hand according to an embodiment of the present invention, Fig. 2 is a perspective view showing the main parts of Fig. 1, and Figs. FIG. 5 is a perspective view showing a main part of another embodiment of the present invention, and FIG. 5 is a configuration explanatory diagram showing a conventional magnetic head. 30...Magnetic helad core, 31.32...Magnetic core, 33...Glass, 34...Gap, 35...
・First core, 36.37... Magnetic core, 38...
・Glass, 391.39B...Gap, 40...
Second core, 41... Non-magnetic adhesive, 42... Coil, 43, 44 Non-magnetic slider, 45... Sliding surface, 46... Short bar, 47... Non-magnetic material. Magnetic slider, 48.49...Short bar, 50...
Non-magnetic slider, 51.52...Magnetic roller, 53...RMM, 54- Short bar block. Applicant's agent Patent attorney Takehiko Suzue Figure 1 Figure 2y! J Figure 3 Figure 4

Claims (1)

【特許請求の範囲】[Claims] 磁路を形成する一対の磁性体コアの一方の基端部が遊貫
されるコイルと、このコイルに遊貫された前記一対の磁
性体コアの一方の端部と他方を接続するショートバーと
、前記一対の磁性体コアの両側部にそれぞれ設けられる
もので、磁気記録媒体摺接面を形成する非磁性体スライ
ダーとを備えてなる磁気ヘッドにおいて、少なくとも一
方の一端部に前記ショートバーが設けられた略コ字形状
の一対の前記非磁性体スライダーを具備し、前記磁性体
コア及びコイルを前記一対の非磁性体スライダーで挾装
するように構成したことを特徴とする磁気ヘッド。A coil through which one base end of a pair of magnetic cores forming a magnetic path is loosely passed through, and a short bar connecting one end of the pair of magnetic cores that are loosely passed through the coil and the other. In the magnetic head, the short bar is provided at one end of at least one of the magnetic head, and includes a non-magnetic slider that is provided on both sides of the pair of magnetic cores and forms a sliding contact surface for a magnetic recording medium. 1. A magnetic head comprising: a pair of said non-magnetic sliders having a substantially U-shape, and configured such that said magnetic core and coil are sandwiched between said pair of non-magnetic sliders.
JP22852384A 1984-10-30 1984-10-30 Magnetic head Granted JPS61107509A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP22852384A JPS61107509A (en) 1984-10-30 1984-10-30 Magnetic head
US06/791,530 US4748527A (en) 1984-10-30 1985-10-25 Magnetic head device with back core integral in holder shell
DE19853538632 DE3538632A1 (en) 1984-10-30 1985-10-30 MAGNETIC HEAD UNIT AND METHOD FOR THEIR PRODUCTION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22852384A JPS61107509A (en) 1984-10-30 1984-10-30 Magnetic head

Publications (2)

Publication Number Publication Date
JPS61107509A true JPS61107509A (en) 1986-05-26
JPH0352122B2 JPH0352122B2 (en) 1991-08-09

Family

ID=16877751

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22852384A Granted JPS61107509A (en) 1984-10-30 1984-10-30 Magnetic head

Country Status (1)

Country Link
JP (1) JPS61107509A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61130010U (en) * 1985-01-30 1986-08-14
JPS61255507A (en) * 1985-05-07 1986-11-13 Matsushita Electric Ind Co Ltd Magnetic head
US5731938A (en) * 1995-07-19 1998-03-24 Mitsubishi Denki Kabushiki Kaisha Magnetic head device having increased dimensional accuracy and improved magnetic characteristics

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61130010U (en) * 1985-01-30 1986-08-14
JPS61255507A (en) * 1985-05-07 1986-11-13 Matsushita Electric Ind Co Ltd Magnetic head
US5731938A (en) * 1995-07-19 1998-03-24 Mitsubishi Denki Kabushiki Kaisha Magnetic head device having increased dimensional accuracy and improved magnetic characteristics
US5894387A (en) * 1995-07-19 1999-04-13 Mitsubishi Denki Kabushiki Kaisha Magnetic head device having increased dimensional accuracy and improved magnetic characteristics

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Publication number Publication date
JPH0352122B2 (en) 1991-08-09

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