KR890007477Y1 - 싸이드 코어를 가지는 자기 헤드 - Google Patents
싸이드 코어를 가지는 자기 헤드 Download PDFInfo
- Publication number
- KR890007477Y1 KR890007477Y1 KR2019850012059U KR850012059U KR890007477Y1 KR 890007477 Y1 KR890007477 Y1 KR 890007477Y1 KR 2019850012059 U KR2019850012059 U KR 2019850012059U KR 850012059 U KR850012059 U KR 850012059U KR 890007477 Y1 KR890007477 Y1 KR 890007477Y1
- Authority
- KR
- South Korea
- Prior art keywords
- core
- magnetic head
- magnetic
- center
- side core
- Prior art date
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 51
- 239000000463 material Substances 0.000 claims description 32
- 239000005394 sealing glass Substances 0.000 claims description 17
- 238000005304 joining Methods 0.000 claims description 6
- 239000010408 film Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000006355 external stress Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052726 zirconium 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/1274—Structure or manufacture of heads, e.g. inductive with "composite" cores, i.e. cores composed in some parts of magnetic particles and in some other parts of magnetic metal layers
-
- 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
- G11B5/40—Protective measures on heads, e.g. against excessive temperature
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP?85-54680 | 1985-04-12 | ||
| JP1985054680U JPS61170107U (xx) | 1985-04-12 | 1985-04-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR860013787U KR860013787U (ko) | 1986-11-20 |
| KR890007477Y1 true KR890007477Y1 (ko) | 1989-10-26 |
Family
ID=12977500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019850012059U KR890007477Y1 (ko) | 1985-04-12 | 1985-09-20 | 싸이드 코어를 가지는 자기 헤드 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS61170107U (xx) |
| KR (1) | KR890007477Y1 (xx) |
-
1985
- 1985-04-12 JP JP1985054680U patent/JPS61170107U/ja active Pending
- 1985-09-20 KR KR2019850012059U patent/KR890007477Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR860013787U (ko) | 1986-11-20 |
| JPS61170107U (xx) | 1986-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E701 | Decision to grant or registration of patent right | ||
| REGI | Registration of establishment | ||
| FPAY | Annual fee payment |
Payment date: 19971219 Year of fee payment: 10 |
|
| LAPS | Lapse due to unpaid annual fee |