JPS6372705U - - Google Patents
Info
- Publication number
- JPS6372705U JPS6372705U JP16703386U JP16703386U JPS6372705U JP S6372705 U JPS6372705 U JP S6372705U JP 16703386 U JP16703386 U JP 16703386U JP 16703386 U JP16703386 U JP 16703386U JP S6372705 U JPS6372705 U JP S6372705U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic core
- magnetic
- core portion
- section
- recording medium
- 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
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Magnetic Heads (AREA)
Description
第１図は本考案を適用した磁気ヘツドの一実施
例を示す断面図である。第２図は記録電流と各磁
気コア部における磁束の分布状態を示す特性図で
ある。第３図は本考案の磁気ヘツドを用いて再生
時の状態を示す模式図である。第４図は本考の磁
気ヘツドの製造方法の一例をその工程順に従つて
示す断面図であり、第４図Ａは非磁性材の形成工
程を、第４図Ｂは磁性膜の形成工程を、第４図Ｃ
は磁気コアの接合工程及び切り出し工程を、それ
ぞれ示す。第５図は本考案の磁気ヘツドの他の実
施例を示すもので、第３の磁気コア部の改良例を
示す断面図である。第６図は従来の磁気ヘツドを
示す断面図である。
１……第１の磁気コア部、２……第２の磁気コ
ア部、３……第３の磁気コア部、３ａ……連結部
、１５……磁気記録媒体。
FIG. 1 is a sectional view showing an embodiment of a magnetic head to which the present invention is applied. FIG. 2 is a characteristic diagram showing the recording current and the distribution state of magnetic flux in each magnetic core portion. FIG. 3 is a schematic diagram showing the state during reproduction using the magnetic head of the present invention. FIG. 4 is a cross-sectional view showing an example of the manufacturing method of the magnetic head according to the present invention in the order of the steps. FIG. 4A shows the process of forming a non-magnetic material, and FIG. 4B shows the process of forming a magnetic film. , Figure 4C
1A and 1B respectively show the joining process and the cutting process of the magnetic core. FIG. 5 shows another embodiment of the magnetic head of the present invention, and is a sectional view showing an improved example of the third magnetic core section. FIG. 6 is a sectional view showing a conventional magnetic head. DESCRIPTION OF SYMBOLS 1... First magnetic core part, 2... Second magnetic core part, 3... Third magnetic core part, 3a... Connecting part, 15... Magnetic recording medium.
Claims (1)
向配置されるとともにバツクギヤツプ側で磁気的
に結合されコイルが巻回される第１の磁気コア部
及び第２の磁気コア部と、 磁気記録媒体対接面でこれら第１の磁気コア部
と第２の磁気コア部の間に配置される第３の磁気
コア部とからなり、 上記第３の磁気コア部は上記第２の磁気コア部
よりも磁気的に飽和し易い連結部を介して第２の
磁気コア部の中途部に磁気的に結合され、 上記第１の磁気コア部と第３の磁気コア部によ
り構成される磁気ギヤツプにより記録再生を行う
とともに、 記録時には上記第２の磁気コア部と第３の磁気
コア部により構成される磁気ギヤツプを擬似ギヤ
ツプとして作動させることを特徴とする磁気ヘツ
ド。[Claims for Utility Model Registration] A first magnetic core portion and a second magnetic core portion, which are arranged facing each other at a predetermined interval on the side facing the magnetic recording medium, are magnetically coupled on the back gap side, and around which a coil is wound. and a third magnetic core portion disposed between the first magnetic core portion and the second magnetic core portion on the surface facing the magnetic recording medium, and the third magnetic core portion is magnetically coupled to the middle part of the second magnetic core part via a connecting part that is more easily magnetically saturated than the second magnetic core part, and the first magnetic core part and the third magnetic core are What is claimed is: 1. A magnetic head characterized in that recording and reproduction are performed using a magnetic gap formed by a magnetic core section, and the magnetic gap formed by a second magnetic core section and a third magnetic core section is operated as a pseudo gap during recording.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16703386U JPS6372705U (en) | 1986-10-30 | 1986-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16703386U JPS6372705U (en) | 1986-10-30 | 1986-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6372705U true JPS6372705U (en) | 1988-05-16 |
Family
ID=31098581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16703386U Pending JPS6372705U (en) | 1986-10-30 | 1986-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6372705U (en) |
-
1986
- 1986-10-30 JP JP16703386U patent/JPS6372705U/ja active Pending