DE3007046C2 - Mehrspur-Magnetkopfanordnung - Google Patents
Mehrspur-MagnetkopfanordnungInfo
- Publication number
- DE3007046C2 DE3007046C2 DE3007046A DE3007046A DE3007046C2 DE 3007046 C2 DE3007046 C2 DE 3007046C2 DE 3007046 A DE3007046 A DE 3007046A DE 3007046 A DE3007046 A DE 3007046A DE 3007046 C2 DE3007046 C2 DE 3007046C2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic head
- electrical
- conductor layer
- magnetic
- lines
- 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
- 239000004020 conductor Substances 0.000 claims description 22
- 238000004804 winding Methods 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 9
- 239000010409 thin film Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- 238000003486 chemical etching Methods 0.000 description 4
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 235000012431 wafers Nutrition 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000000992 sputter etching Methods 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
-
- 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using thin films
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7901577A NL7901577A (nl) | 1979-02-28 | 1979-02-28 | Meerspoors dunne film magneetkop. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3007046A1 DE3007046A1 (de) | 1980-09-11 |
| DE3007046C2 true DE3007046C2 (de) | 1987-01-02 |
Family
ID=19832706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3007046A Expired DE3007046C2 (de) | 1979-02-28 | 1980-02-26 | Mehrspur-Magnetkopfanordnung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4320428A (pt-PT) |
| JP (2) | JPS55117727A (pt-PT) |
| CA (1) | CA1151766A (pt-PT) |
| DE (1) | DE3007046C2 (pt-PT) |
| FR (1) | FR2450495B1 (pt-PT) |
| GB (1) | GB2044509B (pt-PT) |
| HK (1) | HK64184A (pt-PT) |
| NL (1) | NL7901577A (pt-PT) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4418372A (en) * | 1979-08-02 | 1983-11-29 | Hitachi, Ltd. | Magnetic rotary encoder |
| DE3204184A1 (de) * | 1982-02-06 | 1983-08-11 | Robert Bosch Gmbh, 7000 Stuttgart | Duennschicht-mehrspur-magnetkopf hoher spurdichte |
| US4503439A (en) * | 1983-03-08 | 1985-03-05 | Springer Gilbert D | Thin-film, compliant, non-pressure-point-telegraphing, electromagnetic read/write head structure |
| DE3472484D1 (en) * | 1983-04-27 | 1988-08-04 | Eastman Kodak Co | Thin-film magnetic head with improved wear-guide |
| US4639808A (en) * | 1984-09-26 | 1987-01-27 | Storage Technology Corporation | Asymmetrical shields for controlling feedthrough in read/write heads |
| EP0178898A3 (en) * | 1984-10-18 | 1988-03-30 | International Business Machines Corporation | An inductive magnetic transducer |
| JPS61104313A (ja) * | 1984-10-22 | 1986-05-22 | Sharp Corp | 薄膜磁気ヘツド装置 |
| US4799119A (en) * | 1986-09-10 | 1989-01-17 | International Business Machines Corporation | Flexible circuit magnetic core winding for a core member |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1879364U (de) * | 1961-11-17 | 1963-09-19 | Wohlenberg K G H | Setzmagnetkopf fuer impulsmarkentraeger. |
| GB1307886A (en) * | 1970-05-12 | 1973-02-21 | Ibm | Magnetic transducing head |
| JPS49112610A (pt-PT) * | 1973-02-26 | 1974-10-26 | ||
| JPS5330486B2 (pt-PT) * | 1973-07-18 | 1978-08-28 | ||
| US4065797A (en) * | 1974-12-20 | 1977-12-27 | Matsushita Electric Industrial Co., Ltd. | Multi-element magnetic head |
| JPS554734A (en) * | 1978-06-23 | 1980-01-14 | Fujitsu Ltd | Thin film magnetic head for vertical magnetic recording |
-
1979
- 1979-02-28 NL NL7901577A patent/NL7901577A/nl not_active Application Discontinuation
-
1980
- 1980-01-21 US US06/113,846 patent/US4320428A/en not_active Expired - Lifetime
- 1980-02-25 CA CA000346394A patent/CA1151766A/en not_active Expired
- 1980-02-25 GB GB8006271A patent/GB2044509B/en not_active Expired
- 1980-02-26 DE DE3007046A patent/DE3007046C2/de not_active Expired
- 1980-02-27 FR FR8004327A patent/FR2450495B1/fr not_active Expired
- 1980-02-28 JP JP2349980A patent/JPS55117727A/ja active Pending
-
1984
- 1984-08-16 HK HK641/84A patent/HK64184A/xx unknown
-
1989
- 1989-03-03 JP JP1989023884U patent/JPH0233290Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1151766A (en) | 1983-08-09 |
| JPH01146305U (pt-PT) | 1989-10-09 |
| FR2450495B1 (fr) | 1987-09-18 |
| DE3007046A1 (de) | 1980-09-11 |
| NL7901577A (nl) | 1980-09-01 |
| GB2044509A (en) | 1980-10-15 |
| JPH0233290Y2 (pt-PT) | 1990-09-07 |
| JPS55117727A (en) | 1980-09-10 |
| US4320428A (en) | 1982-03-16 |
| FR2450495A1 (fr) | 1980-09-26 |
| HK64184A (en) | 1984-08-24 |
| GB2044509B (en) | 1983-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: AUER, H., DIPL.-ING., PAT.-ANW., 2000 HAMBURG |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |