JPS645210U - - Google Patents
Info
- Publication number
- JPS645210U JPS645210U JP10055187U JP10055187U JPS645210U JP S645210 U JPS645210 U JP S645210U JP 10055187 U JP10055187 U JP 10055187U JP 10055187 U JP10055187 U JP 10055187U JP S645210 U JPS645210 U JP S645210U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- head
- core material
- alloy
- recording
- 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 17
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000011162 core material Substances 0.000 claims 4
- 230000004907 flux Effects 0.000 claims 2
- 230000035699 permeability Effects 0.000 claims 2
- 229910000531 Co alloy Inorganic materials 0.000 claims 1
- 229910000676 Si alloy Inorganic materials 0.000 claims 1
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案による磁気ヘツドの一例を示す
概略構成図、第２図は本考案および従来例に適用
される磁気記録媒体の正面図、第３図は第２図の
―に沿う拡大断面図である。
１０……磁気記録媒体、１２……磁性膜、１３
……保護膜、２０……磁気ヘツド、２１……記録
用ヘツド、２２……再生用ヘツド。
FIG. 1 is a schematic configuration diagram showing an example of a magnetic head according to the present invention, FIG. 2 is a front view of a magnetic recording medium applied to the present invention and a conventional example, and FIG. 3 is an enlarged cross-sectional view taken along the line - in FIG. 2. It is a diagram. 10... Magnetic recording medium, 12... Magnetic film, 13
. . . protective film, 20 . . . magnetic head, 21 . . . recording head, 22 . . . reproducing head.
Claims (1)
された磁気記録媒体に対し、情報の記録および再
生を行なう磁気ヘツドにおいて、記録用ヘツドと
再生用ヘツドを別個に設け、かつ記録用ヘツドを
低透磁率・高飽和磁束密度の磁気コア材から形成
し、再生用ヘツドを高透磁率・高飽和磁束密度の
コア材から形成してなることを特徴とする磁気ヘ
ツド。 (2) 実用新案登録請求の範囲第１項において、
記録用ヘツドの磁気コア材としてＦｅ―Ｃｏ系合
金を、再生用ヘツドの磁気コア材としてＦｅ―Ａ
ｌ―Ｓｉ合金を用いた磁気ヘツド。[Claims for Utility Model Registration] (1) A magnetic head that records and reproduces information on a magnetic recording medium having a protective film made of ferromagnetic material formed on a magnetic film, including a recording head and a reproducing head. The recording head is formed from a magnetic core material having low magnetic permeability and high saturation magnetic flux density, and the reproducing head is formed from a core material having high magnetic permeability and high saturation magnetic flux density. magnetic head. (2) In paragraph 1 of the claims for utility model registration,
Fe--Co alloy is used as the magnetic core material of the recording head, and Fe--A is used as the magnetic core material of the reproducing head.
Magnetic head using l-Si alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10055187U JPS645210U (en) | 1987-06-29 | 1987-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10055187U JPS645210U (en) | 1987-06-29 | 1987-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS645210U true JPS645210U (en) | 1989-01-12 |
Family
ID=31328728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10055187U Pending JPS645210U (en) | 1987-06-29 | 1987-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645210U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5593514A (en) * | 1979-01-09 | 1980-07-16 | Nippon Telegr & Teleph Corp <Ntt> | Magnetic card recording and reproducing device |
| JPS55139626A (en) * | 1979-04-12 | 1980-10-31 | Tdk Corp | Compound magnetic head |
| JPS58128019A (en) * | 1982-01-26 | 1983-07-30 | Sanyo Electric Co Ltd | Video head for tape with high corecive force |
-
1987
- 1987-06-29 JP JP10055187U patent/JPS645210U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5593514A (en) * | 1979-01-09 | 1980-07-16 | Nippon Telegr & Teleph Corp <Ntt> | Magnetic card recording and reproducing device |
| JPS55139626A (en) * | 1979-04-12 | 1980-10-31 | Tdk Corp | Compound magnetic head |
| JPS58128019A (en) * | 1982-01-26 | 1983-07-30 | Sanyo Electric Co Ltd | Video head for tape with high corecive force |
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