JPH042309U - - Google Patents
Info
- Publication number
- JPH042309U JPH042309U JP4307290U JP4307290U JPH042309U JP H042309 U JPH042309 U JP H042309U JP 4307290 U JP4307290 U JP 4307290U JP 4307290 U JP4307290 U JP 4307290U JP H042309 U JPH042309 U JP H042309U
- Authority
- JP
- Japan
- Prior art keywords
- gap
- track width
- core
- layer
- gap part
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 101000606504 Drosophila melanogaster Tyrosine-protein kinase-like otk Proteins 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Magnetic Heads (AREA)
Description
第１図は、本考案のＭＩＧ方式磁気ヘツドの外
観図ａと上面図ｂの例を示す。第２図は、再生ト
ラツクに対する第２ギヤツプ部のトラツク幅の比
が、ギヤツプ部接合強度不足に起因する不良の発
生割合およびギヤツプ端部に発生する全トラツク
幅の３％以上の大きさの欠け不良の発生割合に与
える影響を示した図である。第３図は本考案のＭ
ＩＧ方式磁気ヘツドのオフトラツク量に対するタ
イムマージン特性を、従来のＭＩＧ方式磁気ヘツ
ドと比較した図である。第４図は、従来の記録／
再生トラツク幅が等しいＭＩＧ方式磁気ヘツドの
上面図である。
１……第１のコア、３……第２のコア、５……
ギヤツプ部、５１……第１のギヤツプ部、５３…
…第２のギヤツプ部、５５……金属磁性薄膜層、
５７……第２ギヤツプ部充填ガラス、５９……非
磁性ギヤツプ形成材層、７……トラツク幅規制溝
、Ｔ２……第２のギヤツプ部のトラツク幅、ＷＴ
……記録トラツク幅、ＲＴ……再生トラツク幅。
FIG. 1 shows an example of an external view a and a top view b of the MIG type magnetic head of the present invention. Figure 2 shows the ratio of the track width of the second gap part to the regenerated track, the percentage of defects caused by insufficient joint strength of the gap part, and the percentage of defects occurring at the gap end with a size of 3% or more of the total track width. FIG. 3 is a diagram showing the influence on the defect occurrence rate. Figure 3 shows M of this invention.
FIG. 3 is a diagram comparing the time margin characteristics of an IG type magnetic head with respect to the amount of off-track with a conventional MIG type magnetic head. Figure 4 shows the conventional record/
FIG. 3 is a top view of an MIG type magnetic head with equal reproduction track widths. 1...first core, 3...second core, 5...
Gap portion, 51...First gap portion, 53...
...Second gap part, 55...Metal magnetic thin film layer,
57...Second gap part filling glass, 59...Nonmagnetic gap forming material layer, 7...Track width regulating groove, T2...Track width of second gap part, WT
...Recording track width, RT...Reproducing track width.
Claims (1)
形成面に金属磁性薄膜層とギヤツプ形成層とをこ
の順に積層して設けた第二のコアと、前記第一の
コアと第二のコアとを前記ギヤツプ形成面で前記
積層を介して互いに接合して形成されるギヤツプ
部と、前記ギヤツプ部の両側にあり前記ギヤツプ
部のトラツク幅を規制しかつ硝子が充填されたト
ラツク幅規制溝とからなるＭＩＧ方式の磁気ヘツ
ドであり、 前記ギヤツプ部が、第一のギヤツプ部と、前記
第一のギヤツプ部のトラツク幅方向の両側に連続
して配された２個の第二のギヤツプ部とからなり
、 前記第一のギヤツプ部は金属磁性層と非磁性層
との積層からなり、前記第二のギヤツプ部は前記
トラツク幅規制溝と一体に充填されたガラスから
なり、 前記第一のギヤツプ部のトラツク幅は再生トラ
ツク幅であり、第二のギヤツプ部のトラツク幅は
夫々前記第一のトラツク幅の３％以上に相当する
幅を有し、 前記第一のギヤツプ部と前記２つの第二のギヤ
ツプ部とを合わせたトラツク幅が記録トラツク幅
である、 ことを特徴としたＭＩＧ方式の磁気ヘツド素子。[Claims for Utility Model Registration] A first core having a groove for winding, a second core having a gap forming surface with a metal magnetic thin film layer and a gap forming layer laminated in this order, a gap portion formed by joining the first core and the second core to each other via the lamination on the gap forming surface; This is an MIG type magnetic head consisting of a filled track width regulating groove, the gap part being a first gap part and two parts continuously disposed on both sides of the first gap part in the track width direction. the first gap part is made of a laminated layer of a metal magnetic layer and a non-magnetic layer, and the second gap part is made of glass integrally filled with the track width regulating groove. The track width of the first gap portion is a regenerated track width, and the track width of the second gap portion has a width corresponding to 3% or more of the first track width, and An MIG type magnetic head element, characterized in that a track width that is the sum of the gap portion and the two second gap portions is the recording track width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4307290U JPH042309U (en) | 1990-04-24 | 1990-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4307290U JPH042309U (en) | 1990-04-24 | 1990-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH042309U true JPH042309U (en) | 1992-01-09 |
Family
ID=31555174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4307290U Pending JPH042309U (en) | 1990-04-24 | 1990-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042309U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0268702A (en) * | 1988-09-02 | 1990-03-08 | Mitsubishi Electric Corp | Magnetic head |
| JPH0279205A (en) * | 1988-09-16 | 1990-03-19 | Hitachi Ltd | magnetic head |
| JPH0294009A (en) * | 1988-09-29 | 1990-04-04 | Mitsubishi Electric Corp | Magnetic head |
-
1990
- 1990-04-24 JP JP4307290U patent/JPH042309U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0268702A (en) * | 1988-09-02 | 1990-03-08 | Mitsubishi Electric Corp | Magnetic head |
| JPH0279205A (en) * | 1988-09-16 | 1990-03-19 | Hitachi Ltd | magnetic head |
| JPH0294009A (en) * | 1988-09-29 | 1990-04-04 | Mitsubishi Electric Corp | Magnetic head |
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