JPS59215004A - 磁石消去ヘツド - Google Patents
磁石消去ヘツドInfo
- Publication number
- JPS59215004A JPS59215004A JP8944683A JP8944683A JPS59215004A JP S59215004 A JPS59215004 A JP S59215004A JP 8944683 A JP8944683 A JP 8944683A JP 8944683 A JP8944683 A JP 8944683A JP S59215004 A JPS59215004 A JP S59215004A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- running direction
- magnetized
- tape
- magnetic poles
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000000696 magnetic material Substances 0.000 claims abstract description 20
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 abstract description 6
- 230000005347 demagnetization Effects 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 230000005415 magnetization Effects 0.000 description 42
- 238000004804 winding Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/325—Erasing heads using permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8944683A JPS59215004A (ja) | 1983-05-20 | 1983-05-20 | 磁石消去ヘツド |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8944683A JPS59215004A (ja) | 1983-05-20 | 1983-05-20 | 磁石消去ヘツド |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59215004A true JPS59215004A (ja) | 1984-12-04 |
JPS6322362B2 JPS6322362B2 (enrdf_load_stackoverflow) | 1988-05-11 |
Family
ID=13970904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8944683A Granted JPS59215004A (ja) | 1983-05-20 | 1983-05-20 | 磁石消去ヘツド |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59215004A (enrdf_load_stackoverflow) |
-
1983
- 1983-05-20 JP JP8944683A patent/JPS59215004A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6322362B2 (enrdf_load_stackoverflow) | 1988-05-11 |
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