GB1560362A - Magnetic transducer head - Google Patents
Magnetic transducer head Download PDFInfo
- Publication number
- GB1560362A GB1560362A GB142478A GB142478A GB1560362A GB 1560362 A GB1560362 A GB 1560362A GB 142478 A GB142478 A GB 142478A GB 142478 A GB142478 A GB 142478A GB 1560362 A GB1560362 A GB 1560362A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core
- pattern
- head
- magnetic
- conductor
- 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.)
- Expired
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 58
- 239000011162 core material Substances 0.000 claims description 78
- 239000004020 conductor Substances 0.000 claims description 37
- 239000010410 layer Substances 0.000 claims description 32
- 230000004907 flux Effects 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 12
- 239000003302 ferromagnetic material Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000010409 thin film Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 6
- 238000007747 plating Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 claims description 4
- 238000000992 sputter etching Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000007667 floating Methods 0.000 claims description 2
- 230000035699 permeability Effects 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004922 lacquer Substances 0.000 description 5
- 238000004070 electrodeposition Methods 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000002463 transducing effect Effects 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3176—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps
- G11B5/3179—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes
- G11B5/3186—Structure of heads comprising at least in the transducing gap regions two magnetic thin films disposed respectively at both sides of the gaps the films being mainly disposed in parallel planes parallel to the gap plane, e.g. "vertical head structure"
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/313—Disposition of layers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7700416A NL7700416A (nl) | 1977-01-17 | 1977-01-17 | Magneetkop met een met behulp van dunne film technologie op een substraat aangebrachte kern. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1560362A true GB1560362A (en) | 1980-02-06 |
Family
ID=19827776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB142478A Expired GB1560362A (en) | 1977-01-17 | 1978-01-13 | Magnetic transducer head |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5390915A (enrdf_load_stackoverflow) |
| DE (1) | DE2800215C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2377681A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1560362A (enrdf_load_stackoverflow) |
| NL (1) | NL7700416A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985000070A1 (en) * | 1983-06-15 | 1985-01-03 | Eastman Kodak Company | Inductively-coupled, thin-film m-r head |
-
1977
- 1977-01-17 NL NL7700416A patent/NL7700416A/xx not_active Application Discontinuation
-
1978
- 1978-01-04 DE DE19782800215 patent/DE2800215C2/de not_active Expired
- 1978-01-13 GB GB142478A patent/GB1560362A/en not_active Expired
- 1978-01-14 JP JP323978A patent/JPS5390915A/ja active Pending
- 1978-01-17 FR FR7801212A patent/FR2377681A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985000070A1 (en) * | 1983-06-15 | 1985-01-03 | Eastman Kodak Company | Inductively-coupled, thin-film m-r head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5390915A (en) | 1978-08-10 |
| DE2800215A1 (de) | 1978-07-20 |
| DE2800215C2 (de) | 1982-04-22 |
| NL7700416A (nl) | 1978-07-19 |
| FR2377681B1 (enrdf_load_stackoverflow) | 1985-02-15 |
| FR2377681A1 (fr) | 1978-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |