JPH0320003U - - Google Patents
Info
- Publication number
- JPH0320003U JPH0320003U JP7813689U JP7813689U JPH0320003U JP H0320003 U JPH0320003 U JP H0320003U JP 7813689 U JP7813689 U JP 7813689U JP 7813689 U JP7813689 U JP 7813689U JP H0320003 U JPH0320003 U JP H0320003U
- Authority
- JP
- Japan
- Prior art keywords
- several
- magnetic
- field modulation
- magnetic field
- magnetic head
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 12
- 239000010409 thin film Substances 0.000 claims description 4
- 230000005294 ferromagnetic effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図ａはこの考案の一実施例の磁界変調用磁
気ヘツドの斜視図、第１図ｂはａの破線Ａ，Ａ′
から切つた断面図、第２図は第１図ｂのＰ部の拡
大図、第３図は従来の磁界変調用磁気ヘツドの斜
視図。
１……センターコア、２……外周コア、３……
コイル、４……リード線、６……金属強磁性体薄
膜、７……絶縁体薄膜。
Fig. 1a is a perspective view of a magnetic head for magnetic field modulation according to an embodiment of this invention, and Fig. 1b is a diagram showing broken lines A and A' in a.
FIG. 2 is an enlarged view of section P in FIG. 1b, and FIG. 3 is a perspective view of a conventional magnetic head for magnetic field modulation. 1... Center core, 2... Outer core, 3...
Coil, 4... Lead wire, 6... Metal ferromagnetic thin film, 7... Insulator thin film.
Claims (1)
ツドにおいて、その磁気コアを、厚さ１μｍない
し２０μｍに金属強磁性体薄膜を厚さ数百Ａない
し数μｍの絶縁体薄膜を挟んで数層ないし数千層
積層して、円筒状に形成したことを特徴とする磁
界変調用磁気ヘツド。 (2) 前記実用新案請求の範囲の記載において、
円筒状磁気コアを、中心円柱部と外周円筒部及び
底面からなる縦断面Ｅ字型に形成することを特徴
とする磁界変調用磁気ヘツド。[Claims for Utility Model Registration] (1) In a magnetic head for magnetic field modulation used in magneto-optical recording, the magnetic core is made of a metal ferromagnetic thin film with a thickness of 1 μm to 20 μm and a thickness of several hundred amps to several μm. A magnetic head for magnetic field modulation, characterized in that it is formed into a cylindrical shape by laminating several to several thousand layers with an insulating thin film sandwiched therebetween. (2) In the statement of the utility model claims,
1. A magnetic head for magnetic field modulation, characterized in that a cylindrical magnetic core is formed into an E-shaped vertical section consisting of a central cylindrical portion, an outer cylindrical portion, and a bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7813689U JPH0320003U (en) | 1989-06-30 | 1989-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7813689U JPH0320003U (en) | 1989-06-30 | 1989-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0320003U true JPH0320003U (en) | 1991-02-27 |
Family
ID=31621140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7813689U Pending JPH0320003U (en) | 1989-06-30 | 1989-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0320003U (en) |
-
1989
- 1989-06-30 JP JP7813689U patent/JPH0320003U/ja active Pending