JPH0181709U - - Google Patents
Info
- Publication number
- JPH0181709U JPH0181709U JP1987176679U JP17667987U JPH0181709U JP H0181709 U JPH0181709 U JP H0181709U JP 1987176679 U JP1987176679 U JP 1987176679U JP 17667987 U JP17667987 U JP 17667987U JP H0181709 U JPH0181709 U JP H0181709U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- film
- shielding film
- recording medium
- bias
- 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
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Magnetic Heads (AREA)
Description
第１図は本考案の一実施例の磁気ヘツドの透視
図、第２図は同磁気ヘツドの磁気コアとスペーサ
の詳細を示す斜視図、第３図は同磁気ヘツドのバ
イアス磁界によつて磁気記録媒体の磁気遮蔽膜に
形成される磁路を説明するために示す図、第４図
ａ〜ｃは磁石で構成したスペーサの配置例を示す
磁気ヘツド正面から見た部分拡大図、第５図は従
来例の図である。
１１……磁気ヘツド素子、１２……磁気コア、
１３Ａ，１３Ｂ……スペーサ（磁石）、Ｋ……磁
気記録媒体、Ｋ１……磁性膜、Ｋ３……磁気遮蔽
膜。
Fig. 1 is a perspective view of a magnetic head according to an embodiment of the present invention, Fig. 2 is a perspective view showing details of the magnetic core and spacer of the magnetic head, and Fig. 3 is a magnetic head produced by the bias magnetic field of the magnetic head. Figures shown to explain the magnetic path formed in the magnetic shielding film of the recording medium; Figures 4a to 4c are partially enlarged views of the magnetic head seen from the front, showing examples of the arrangement of spacers made of magnets; Figure 5; is a diagram of a conventional example. 11...Magnetic head element, 12...Magnetic core,
13A, 13B... Spacer (magnet), K... Magnetic recording medium, K1... Magnetic film, K3... Magnetic shielding film.
Claims (1)
体の前記磁気遮蔽膜にバイアス磁界をかけて磁気
遮蔽膜を磁気飽和させ、その状態で磁性膜に磁路
を形成して磁性膜に対して記録再生を行なう磁気
ヘツドにおいて、磁気コアの前記磁気記録媒体と
の摺接部の両側面に、前記バイアス磁界をかける
ための永久磁石を配置したことを特徴とする磁気
ヘツド。 A bias magnetic field is applied to the magnetic shielding film of a magnetic recording medium in which a magnetic shielding film is formed on a magnetic film to magnetically saturate the magnetic shielding film, and in this state, a magnetic path is formed in the magnetic film to 1. A magnetic head for performing recording and reproducing, characterized in that permanent magnets for applying the bias magnetic field are arranged on both sides of the sliding contact portion of the magnetic core with the magnetic recording medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987176679U JPH0181709U (en) | 1987-11-19 | 1987-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987176679U JPH0181709U (en) | 1987-11-19 | 1987-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181709U true JPH0181709U (en) | 1989-05-31 |
Family
ID=31468396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987176679U Pending JPH0181709U (en) | 1987-11-19 | 1987-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181709U (en) |
-
1987
- 1987-11-19 JP JP1987176679U patent/JPH0181709U/ja active Pending
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