JPS60258713A - Structural body for shielding - Google Patents
Structural body for shieldingInfo
- Publication number
- JPS60258713A JPS60258713A JP11454784A JP11454784A JPS60258713A JP S60258713 A JPS60258713 A JP S60258713A JP 11454784 A JP11454784 A JP 11454784A JP 11454784 A JP11454784 A JP 11454784A JP S60258713 A JPS60258713 A JP S60258713A
- Authority
- JP
- Japan
- Prior art keywords
- head
- thin film
- magnetic
- recording
- shielding
- 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
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000010409 thin film Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 9
- 239000000758 substrate Substances 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 238000006880 cross-coupling reaction Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000889 permalloy Inorganic materials 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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
- G11B5/10—Structure or manufacture of housings or shields for heads
-
- 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
- G11B5/127—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
- G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は、磁気テープ装置に用いられる磁気ヘッドで、
記録ヘッドと再生ヘッドの中間に配置されるシールドの
構造に関する。[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a magnetic head used in a magnetic tape device,
This invention relates to the structure of a shield placed between a recording head and a reproducing head.
磁気テープ装置の帳性能化を図るためには、これに用い
られる磁気ヘッドは、磁気コアやコイルを従来の個片部
品からスパッタリングや蒸着等の薄膜技術を使用して形
成し、高記録密度化、高トラツク密度化を可能とするこ
と、及びよりＧ（工ｎｔｅｒ Ｂｌｏｃｋ Ｇａｐ ）
ｆ狭小化シテ、磁気テープに記憶する情報量を増大さ
せることが必要である。In order to improve the performance of magnetic tape devices, the magnetic cores and coils used in these devices are formed from conventional individual components using thin film techniques such as sputtering and vapor deposition to achieve high recording density. , enable high track density, and increase G (inter Block Gap).
As f becomes narrower, it is necessary to increase the amount of information stored on the magnetic tape.
第１図に、薄膜磁気ヘッドの概略構造を示す。FIG. 1 shows a schematic structure of a thin film magnetic head.
磁気テープ装置用磁気ヘッドは、記録ヘッド１と再生ヘ
ッド２及び両ヘッドの中間に配置し、記録時に記録ヘッ
ドから再生ヘッドに回シ込むノイズ（クロスカップリン
グノイズ）を遮蔽スるセンターブロック６とから構成さ
れる。各々のヘッドは、基板４に薄膜素子５を形成して
情報の記録再生を行い、薄膜素子５から外部回路−＼の
情報の伝達は、薄膜素子５とコネクタ７をＦＰＣ等のリ
ード線６を接続して行うようにした構造である。A magnetic head for a magnetic tape device includes a recording head 1, a reproducing head 2, and a center block 6 disposed between both heads to shield noise (cross-coupling noise) transmitted from the recording head to the reproducing head during recording. It consists of Each head forms a thin film element 5 on a substrate 4 to record and reproduce information, and information is transmitted from the thin film element 5 to an external circuit by connecting the thin film element 5 and a connector 7 to a lead wire 6 such as an FPC. It has a structure that allows it to be connected.
第２゛図は、第１図で示した３つの構造体をネジによる
締結あるいは倒脂接看で組合せた磁気ヘッドの断面図で
ある。FIG. 2 is a cross-sectional view of a magnetic head in which the three structures shown in FIG. 1 are assembled by fastening with screws or by contacting each other.
センターブロック３は、前述したようにクロスカップリ
ングノイズを遮蔽する目的から、パーマロイ等の磁性材
料と銅等の導電材料を積層した構造がノイズ遮蔽効果が
大きいため、従来から最も多く採用されている。しかし
、素子形成する基板４の材料は、通常、セラばツク系材
料が用いられるため、磁気テープとの摺動面８に、硬度
差の大きい材料が露出されることＫなり、摺動面８の成
形加工及び磁気テープとの摺＠による摩耗によって双方
の材料で構成される面に段差が生じる。さらに、もう１
つの問題は積層されたセンターブロック３の樹脂層が、
摺動面に４出されるため、磁気テープとの接触で削り取
られた樹脂が薄膜素子表面に付着する。As mentioned above, for the purpose of shielding cross-coupling noise, the center block 3 has a structure in which a magnetic material such as permalloy and a conductive material such as copper are laminated, which has a large noise shielding effect, and has thus far been most commonly adopted. . However, since the material of the substrate 4 on which the element is formed is usually a ceramic material, a material with a large difference in hardness is exposed on the sliding surface 8 with the magnetic tape. Due to the molding process and wear caused by sliding with the magnetic tape, a step is created on the surface made of both materials. Furthermore, one more
One problem is that the resin layer of the laminated center block 3 is
Since the resin is exposed to the sliding surface, the resin scraped off by contact with the magnetic tape adheres to the surface of the thin film element.
薄膜素子は、微細で軟弱であるため、上記の様な問題が
あると記録再生特性を著しく劣化させる原因となる。Since thin film elements are fine and weak, the above-mentioned problems cause significant deterioration of recording and reproducing characteristics.
本発明の目的は、前記問題に鑑みて、磁気ヘッドの記録
再生特性を安定にするための７−ルド構造を提供するこ
とにある。SUMMARY OF THE INVENTION In view of the above-mentioned problems, an object of the present invention is to provide a seven-wire structure for stabilizing the recording and reproducing characteristics of a magnetic head.
〔発明の概要〕
磁気ヘッドの摺動面は、素子形成した基板と同等の材質
又は、機械的強度が同等の材料で構成する必要があるこ
と。又、接Ｎ樹脂等の軟かい物質が露出しないことを実
現する／−ルド構造であることである。[Summary of the Invention] The sliding surface of the magnetic head must be made of the same material as the substrate on which the element is formed, or a material with the same mechanical strength. Also, it has a /-led structure that prevents the exposure of soft materials such as N-contact resin.
〔発明の実施例〕 ′ 以下、本発明の一実施例を図を用いて説明する。[Embodiments of the invention] ′ An embodiment of the present invention will be described below with reference to the drawings.
第６図は、記録ヘッドと再生ヘッド及びセンター フＯ
ｙり３の６つの構造体を突き合せた構造の磁気ヘッドを
示したものであυ、６つの構造体はネジにより締結する
。記録ヘンド１及び丹生ヘッド２は、セラミック材料（
例えばＡ１２ｏｓ−ＴｉＣ寺）の基板４に磁気コアやコ
イル等を薄膜技術を用いて素子形成Ｉ−だものを、金属
材料（例えば真鍮寺）の支持ブロック９に樹脂等で接層
し薄膜素子５とコネクタ７間は、ＦＰＣ６で接続される
構造である。センターブロック６はクロスカップリング
ノイズを遮蔽するために、磁性材料（例えばパーマロイ
等）あるいは、導電材料（例えば銅等）あるいは、上記
両材料を績ノーシた構造で、記録ヘッド１及び再生ヘッ
ド２の薄膜素子５に突き合される部分は、基板４と同等
の材質又は機械的強度が同等の保護ブロック１０を設置
する。その実施例を図を用いて以下に述べる。Figure 6 shows the recording head, playback head, and center f.
This figure shows a magnetic head having a structure in which six structures of 3 are butted against each other, and the six structures are fastened together with screws. The recording head 1 and the Niu head 2 are made of ceramic material (
For example, a magnetic core, a coil, etc. are formed on a substrate 4 made of A12os-TiC using thin film technology.The thin film element 5 is bonded to a support block 9 made of a metal material (e.g. brass) with a resin or the like. and the connector 7 are connected by an FPC 6. The center block 6 is made of a magnetic material (for example, permalloy), a conductive material (for example, copper, etc.), or both of the above materials in order to shield cross-coupling noise. A protection block 10 made of the same material or having the same mechanical strength as the substrate 4 is installed at the portion that is butted against the thin film element 5 . An example thereof will be described below using figures.
図は、全て第３図のＡ−Ａ断面で示しである。All of the figures are taken along the line AA in FIG. 3.
実施例１
第４図に示すのは、保護ブロック１０にコの字形の溝を
切り、そこに７−ルド板１１を挿入して接着剤で接着す
る構造である。Embodiment 1 FIG. 4 shows a structure in which a U-shaped groove is cut in a protective block 10, a seven-fold plate 11 is inserted into the groove, and the groove is bonded with adhesive.
実施例２
第５図は、シールド板１１０両側面に保膿ブロック１０
を接着剤で接着する。この時、シールド板１１は、両側
面の保護ブロック１０よりも凹ませ両保護ブロックと７
一ルド板間ｖｃｍを設ける。そこに、ヒラミック材１２
を付着する構造である。Embodiment 2 FIG.
Attach with adhesive. At this time, the shield plate 11 is recessed further than the protective blocks 10 on both sides, and
Provide vcm between the fixed plates. There, Hiramik material 12
It is a structure that attaches.
実施例３
第６図は、保護ブロック１０と７−ルド板１１をガラス
１３で接着する構造である。この場合、保護ブロック及
びシールド板、ガラスは、熱膨張係数が各々適合した材
料を用いる。Embodiment 3 FIG. 6 shows a structure in which a protective block 10 and a seven-layer plate 11 are bonded together using a glass 13. In this case, the protective block, the shield plate, and the glass are made of materials with matching coefficients of thermal expansion.
本発明によれば、記録ヘッドと書生ヘッド及び両ヘッド
の中間に設置するセンターブロックとを突き合せ方式に
よ多構成する複合化磁気ヘッドにおいて、磁気ヘッドの
摺動面に接着剤等の樹脂層が露出されないため、磁気テ
ープの接触摺動による薄膜素子の損傷を軽減でき、磁気
ヘッドの特性を向上することができる。According to the present invention, in a composite magnetic head in which a recording head, a writing/writing head, and a center block installed between both heads are configured in a butting manner, a resin layer such as an adhesive is applied to the sliding surface of the magnetic head. Since the thin film element is not exposed, damage to the thin film element due to contact sliding of the magnetic tape can be reduced, and the characteristics of the magnetic head can be improved.
第１図は、従来技術を説明するだめの磁気ヘッド構成体
の斜視図、第２図は、第１図で示さる磁気ヘッド構成体
を組合せた磁気ヘッドの断面図、第３図は、本発明の詳
細な説明するだめの磁気ヘッド構成体の斜視図、第４図
、第５図、第６図は、第３図のセンターブロックのＡ−
ＡＭ断面図である。
１・・・記録ヘッド ２・・・再生へノド６・・センタ
ーブロック ４・・基板
５ ・・薄膜索子 ６ ・−リード線
７・・コネクタ ８・・摺動面
９・支持ブロック １０・・・保護ブロック１１ ・７
−ルド板 １２・・セラミック材１６ ガラス。
」
第 １ 麿
閉 ？圀
第 ３ 口
レー
蜀５０
躬６０FIG. 1 is a perspective view of a magnetic head assembly for explaining the prior art, FIG. 2 is a cross-sectional view of a magnetic head in which the magnetic head assembly shown in FIG. 1 is combined, and FIG. 4, 5, and 6 are perspective views of the magnetic head structure used for detailed explanation of the invention.
It is an AM sectional view. 1... Recording head 2... Playback throat 6... Center block 4... Substrate 5... Thin film cable 6 - Lead wire 7... Connector 8... Sliding surface 9... Support block 10...・Protection block 11 ・7
-old plate 12...ceramic material 16 glass. ” 1st Marokai? Kuni No. 3 Kure Shu 50 Tsumu 60
Claims (1)
時に記録ヘッドから再生ヘッドに回シ込むノイズを遮蔽
する手段として用いるシールド部材において、磁気テー
プとの摺動面側に接着剤等の樹脂層が介在しない構造と
したことを特徴とするシールド構造体。1. In a shielding member that is placed between the recording head and the reproducing head and used as a means for shielding noise transmitted from the recording head to the reproducing head during recording, a resin such as adhesive is applied to the side that slides against the magnetic tape. A shield structure characterized by having a structure without intervening layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11454784A JPS60258713A (en) | 1984-06-06 | 1984-06-06 | Structural body for shielding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11454784A JPS60258713A (en) | 1984-06-06 | 1984-06-06 | Structural body for shielding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60258713A true JPS60258713A (en) | 1985-12-20 |
Family
ID=14640513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11454784A Pending JPS60258713A (en) | 1984-06-06 | 1984-06-06 | Structural body for shielding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60258713A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5237476A (en) * | 1991-05-28 | 1993-08-17 | Read-Rite Corp. | Thin film tape head assembly |
-
1984
- 1984-06-06 JP JP11454784A patent/JPS60258713A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5237476A (en) * | 1991-05-28 | 1993-08-17 | Read-Rite Corp. | Thin film tape head assembly |
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