JPS6242104U - - Google Patents
Info
- Publication number
- JPS6242104U JPS6242104U JP13164485U JP13164485U JPS6242104U JP S6242104 U JPS6242104 U JP S6242104U JP 13164485 U JP13164485 U JP 13164485U JP 13164485 U JP13164485 U JP 13164485U JP S6242104 U JPS6242104 U JP S6242104U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- gap
- magnetic gap
- coil
- sendust
- 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
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910000889 permalloy Inorganic materials 0.000 claims 1
- 229910000702 sendust Inorganic materials 0.000 claims 1
- 239000010409 thin film Substances 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 1
Description
第１図は本考案の一実施例の平面図、第２図は
そのギヤツプ近傍の拡大図で一点鎖線は消去磁界
を表わし、第３図は従来のヘツドの各形式を示す
平面図である。
１…センターシム、２，３…磁気ギヤツプスペ
ーサ、４，５…サイドコア、４ａ，５ａ…磁極、
６…コイル。
FIG. 1 is a plan view of an embodiment of the present invention, FIG. 2 is an enlarged view of the vicinity of the gap, and the dash-dotted line represents the erasing magnetic field, and FIG. 3 is a plan view showing various types of conventional heads. 1... Center shim, 2, 3... Magnetic gear spacer, 4, 5... Side core, 4a, 5a... Magnetic pole,
6...Coil.
Claims (1)
左右両側に磁気ギヤツプを介在させて設置される
センターシムを、前記磁気ギヤツプの寸法の２倍
程度の厚さのセンダスト、パーマロイ、アモルフ
アス等の金属磁性材料の薄膜で形成したことを特
徴とするセミダブルギヤツプ方式の消去ヘツド。 Between the magnetic poles of the side core around which the coil is wound,
A semi-double characterized in that a center shim installed on both left and right sides with a magnetic gap interposed therebetween is formed of a thin film of a metal magnetic material such as sendust, permalloy, amorphous, etc., with a thickness approximately twice the size of the magnetic gap. Gap type erasing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13164485U JPS6242104U (en) | 1985-08-30 | 1985-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13164485U JPS6242104U (en) | 1985-08-30 | 1985-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6242104U true JPS6242104U (en) | 1987-03-13 |
Family
ID=31030290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13164485U Pending JPS6242104U (en) | 1985-08-30 | 1985-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6242104U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS587223B2 (en) * | 1978-04-26 | 1983-02-08 | 松下電子工業株式会社 | Shadow mask manufacturing method and its manufacturing device |
-
1985
- 1985-08-30 JP JP13164485U patent/JPS6242104U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS587223B2 (en) * | 1978-04-26 | 1983-02-08 | 松下電子工業株式会社 | Shadow mask manufacturing method and its manufacturing device |