DE2800215C2 - "Induktiver Dünnschicht-Magnetkopf und Verfahren zu seiner Herstellung" - Google Patents
"Induktiver Dünnschicht-Magnetkopf und Verfahren zu seiner Herstellung"Info
- Publication number
- DE2800215C2 DE2800215C2 DE19782800215 DE2800215A DE2800215C2 DE 2800215 C2 DE2800215 C2 DE 2800215C2 DE 19782800215 DE19782800215 DE 19782800215 DE 2800215 A DE2800215 A DE 2800215A DE 2800215 C2 DE2800215 C2 DE 2800215C2
- Authority
- DE
- Germany
- Prior art keywords
- core
- head
- pattern
- magnetic
- winding
- 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 35
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 title claims description 8
- 239000010409 thin film Substances 0.000 title claims description 8
- 230000001939 inductive effect Effects 0.000 title claims description 5
- 238000004804 winding Methods 0.000 claims description 24
- 239000004020 conductor Substances 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 11
- 239000003302 ferromagnetic material Substances 0.000 claims description 8
- 230000004907 flux Effects 0.000 claims description 7
- 239000010410 layer Substances 0.000 description 22
- 229920002120 photoresistant polymer Polymers 0.000 description 7
- 239000000696 magnetic material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 238000000992 sputter etching Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000530268 Lycaena heteronea Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 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 (2)
| Publication Number | Publication Date |
|---|---|
| DE2800215A1 DE2800215A1 (de) | 1978-07-20 |
| DE2800215C2 true DE2800215C2 (de) | 1982-04-22 |
Family
ID=19827776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782800215 Expired DE2800215C2 (de) | 1977-01-17 | 1978-01-04 | "Induktiver Dünnschicht-Magnetkopf und Verfahren zu seiner Herstellung" |
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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4599668A (en) * | 1983-06-15 | 1986-07-08 | 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
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5390915A (en) | 1978-08-10 |
| DE2800215A1 (de) | 1978-07-20 |
| NL7700416A (nl) | 1978-07-19 |
| FR2377681B1 (enrdf_load_stackoverflow) | 1985-02-15 |
| FR2377681A1 (fr) | 1978-08-11 |
| GB1560362A (en) | 1980-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: DERZEIT KEIN VERTRETER BESTELLT |
|
| 8339 | Ceased/non-payment of the annual fee |