CN1078567A - 具有多个磁轭的薄膜磁头 - Google Patents
具有多个磁轭的薄膜磁头 Download PDFInfo
- Publication number
- CN1078567A CN1078567A CN 93105030 CN93105030A CN1078567A CN 1078567 A CN1078567 A CN 1078567A CN 93105030 CN93105030 CN 93105030 CN 93105030 A CN93105030 A CN 93105030A CN 1078567 A CN1078567 A CN 1078567A
- Authority
- CN
- China
- Prior art keywords
- yoke
- coil
- thin
- film head
- magnetic
- 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.)
- Pending
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 43
- 230000004907 flux Effects 0.000 claims abstract description 11
- 230000002463 transducing effect Effects 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 238000010276 construction Methods 0.000 description 7
- 229910000889 permalloy Inorganic materials 0.000 description 7
- 238000005137 deposition process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- XEBWQGVWTUSTLN-UHFFFAOYSA-M phenylmercury acetate Chemical compound CC(=O)O[Hg]C1=CC=CC=C1 XEBWQGVWTUSTLN-UHFFFAOYSA-M 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
-
- 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
-
- 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
- G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87822692A | 1992-05-04 | 1992-05-04 | |
| US07/878,226 | 1992-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1078567A true CN1078567A (zh) | 1993-11-17 |
Family
ID=25371622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93105030 Pending CN1078567A (zh) | 1992-05-04 | 1993-05-03 | 具有多个磁轭的薄膜磁头 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0568966A2 (enExample) |
| KR (1) | KR940006079A (enExample) |
| CN (1) | CN1078567A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5684660A (en) * | 1995-02-17 | 1997-11-04 | Aiwa Research And Development, Inc. | Thin film coil head assembly with protective planarizing cocoon structure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS545710A (en) * | 1977-06-15 | 1979-01-17 | Fujitsu Ltd | Thin-film magnetic head |
| US4165525A (en) * | 1978-02-15 | 1979-08-21 | U.S. Philips Corporation | Magnetic head having a core provided on a substrate by means of thin-film technology |
| JPS5766520A (en) * | 1980-10-08 | 1982-04-22 | Nippon Telegr & Teleph Corp <Ntt> | Thin-film type magnetic head |
| JPS60129915A (ja) * | 1983-12-15 | 1985-07-11 | Seikosha Co Ltd | 薄膜磁気ヘツド |
| JPS6185612A (ja) * | 1984-10-03 | 1986-05-01 | Toko Inc | 薄膜磁気ヘツド |
| US5311386A (en) * | 1989-06-02 | 1994-05-10 | Digital Equipment Corporation | Transducer with improved inductive coupling |
| EP0400793A3 (en) * | 1989-06-02 | 1991-01-23 | Quantum Corporation | Transducer with improved inductive coupling |
| US5184267A (en) * | 1989-06-02 | 1993-02-02 | Digital Equipment Corporation | Transducer with improved inductive coupling |
-
1993
- 1993-05-03 EP EP93107181A patent/EP0568966A2/en not_active Withdrawn
- 1993-05-03 CN CN 93105030 patent/CN1078567A/zh active Pending
- 1993-05-03 KR KR1019930007595A patent/KR940006079A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| KR940006079A (ko) | 1994-03-23 |
| EP0568966A3 (enExample) | 1994-04-13 |
| EP0568966A2 (en) | 1993-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |