JPS59107402A - 永久磁石消去ヘツド - Google Patents
永久磁石消去ヘツドInfo
- Publication number
- JPS59107402A JPS59107402A JP21594782A JP21594782A JPS59107402A JP S59107402 A JPS59107402 A JP S59107402A JP 21594782 A JP21594782 A JP 21594782A JP 21594782 A JP21594782 A JP 21594782A JP S59107402 A JPS59107402 A JP S59107402A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- tape
- pole
- magnetic field
- width
- 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
- 230000003247 decreasing effect Effects 0.000 claims abstract description 9
- 239000000696 magnetic material Substances 0.000 claims abstract description 7
- 230000005415 magnetization Effects 0.000 abstract description 23
- 239000000463 material Substances 0.000 abstract description 8
- 210000003128 head Anatomy 0.000 description 20
- 238000000034 method Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052742 iron Inorganic materials 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/024—Erasing
Landscapes
- Magnetic Heads (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21594782A JPS59107402A (ja) | 1982-12-08 | 1982-12-08 | 永久磁石消去ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21594782A JPS59107402A (ja) | 1982-12-08 | 1982-12-08 | 永久磁石消去ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59107402A true JPS59107402A (ja) | 1984-06-21 |
| JPS6313251B2 JPS6313251B2 (enrdf_load_stackoverflow) | 1988-03-24 |
Family
ID=16680886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21594782A Granted JPS59107402A (ja) | 1982-12-08 | 1982-12-08 | 永久磁石消去ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59107402A (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938904A (ja) * | 1982-08-26 | 1984-03-03 | Matsushita Electric Ind Co Ltd | 永久磁石消去ヘツド |
-
1982
- 1982-12-08 JP JP21594782A patent/JPS59107402A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938904A (ja) * | 1982-08-26 | 1984-03-03 | Matsushita Electric Ind Co Ltd | 永久磁石消去ヘツド |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6313251B2 (enrdf_load_stackoverflow) | 1988-03-24 |
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