JPS5933616A - 薄膜磁気ヘツド - Google Patents
薄膜磁気ヘツドInfo
- Publication number
- JPS5933616A JPS5933616A JP14251982A JP14251982A JPS5933616A JP S5933616 A JPS5933616 A JP S5933616A JP 14251982 A JP14251982 A JP 14251982A JP 14251982 A JP14251982 A JP 14251982A JP S5933616 A JPS5933616 A JP S5933616A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- terminals
- resistance
- output
- thin film
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 30
- 239000010409 thin film Substances 0.000 title claims abstract description 10
- 230000005415 magnetization Effects 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 abstract description 4
- 230000006866 deterioration Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000005347 demagnetization Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000005381 magnetic domain Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
- G11B5/3945—Heads comprising more than one sensitive element
- G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
- G11B5/3958—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged in a single plane, e.g. "matrix" disposition
- G11B5/3961—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged in a single plane, e.g. "matrix" disposition disposed at an angle to the direction of the track or relative movement
- G11B5/3964—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged in a single plane, e.g. "matrix" disposition disposed at an angle to the direction of the track or relative movement for transducing on a single track
-
- 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
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/399—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures with intrinsic biasing, e.g. provided by equipotential strips
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Magnetic Heads (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14251982A JPS5933616A (ja) | 1982-08-17 | 1982-08-17 | 薄膜磁気ヘツド |
| EP82111355A EP0081240B1 (en) | 1981-12-09 | 1982-12-08 | Thin film magnetic head |
| DE8282111355T DE3279790D1 (en) | 1981-12-09 | 1982-12-08 | Thin film magnetic head |
| US06/448,058 US4660113A (en) | 1981-12-09 | 1982-12-09 | Magnetoresistive thin film head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14251982A JPS5933616A (ja) | 1982-08-17 | 1982-08-17 | 薄膜磁気ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5933616A true JPS5933616A (ja) | 1984-02-23 |
| JPH0341890B2 JPH0341890B2 (enrdf_load_stackoverflow) | 1991-06-25 |
Family
ID=15317239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14251982A Granted JPS5933616A (ja) | 1981-12-09 | 1982-08-17 | 薄膜磁気ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5933616A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS644914A (en) * | 1987-06-29 | 1989-01-10 | Matsushita Electric Ind Co Ltd | Thin film magnetic head |
| US5452148A (en) * | 1993-02-22 | 1995-09-19 | Fujitsu Limited | Preamplifing circuit for a magnetoresistance device |
| WO2005020214A1 (ja) * | 2003-08-26 | 2005-03-03 | Fujitsu Limited | 再生ヘッド及び磁気ディスク装置 |
| KR100822611B1 (ko) * | 2006-01-10 | 2008-04-16 | 후지쯔 가부시끼가이샤 | 재생 헤드 및 자기 디스크 장치 |
-
1982
- 1982-08-17 JP JP14251982A patent/JPS5933616A/ja active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS644914A (en) * | 1987-06-29 | 1989-01-10 | Matsushita Electric Ind Co Ltd | Thin film magnetic head |
| US5452148A (en) * | 1993-02-22 | 1995-09-19 | Fujitsu Limited | Preamplifing circuit for a magnetoresistance device |
| WO2005020214A1 (ja) * | 2003-08-26 | 2005-03-03 | Fujitsu Limited | 再生ヘッド及び磁気ディスク装置 |
| US7408730B2 (en) | 2003-08-26 | 2008-08-05 | Fujitsu Limited | Reproducing head and magnetic disk drive |
| KR100822611B1 (ko) * | 2006-01-10 | 2008-04-16 | 후지쯔 가부시끼가이샤 | 재생 헤드 및 자기 디스크 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0341890B2 (enrdf_load_stackoverflow) | 1991-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4660113A (en) | Magnetoresistive thin film head | |
| US3969769A (en) | Magneto-resistive head | |
| JPH05225507A (ja) | デジタル信号再生装置 | |
| JPH06139525A (ja) | 磁気抵抗効果型ヘッド用再生装置 | |
| JPS5933616A (ja) | 薄膜磁気ヘツド | |
| JPH0661548A (ja) | 磁気抵抗トランスデューサ | |
| JPS5898826A (ja) | 薄膜磁気ヘツド | |
| JPS61296522A (ja) | 磁気抵抗効果ヘツド | |
| JPS626403A (ja) | ヘツドアンプ装置 | |
| JPS6212913A (ja) | マルチトラツク磁気抵抗効果型磁気ヘツド | |
| JPH0440775B2 (enrdf_load_stackoverflow) | ||
| JP3166739B2 (ja) | 複合型ヘッドの再生回路 | |
| JPS5933618A (ja) | トラツク位置ずれ検知方式 | |
| JPS61230614A (ja) | 磁気抵抗効果薄膜ヘツド | |
| JP3685953B2 (ja) | 磁気ディスク書込／読出回路 | |
| JP2855723B2 (ja) | 磁気テープ再生装置 | |
| JPH06124420A (ja) | 磁気抵抗効果型ヘッド及び磁気抵抗効果型ヘッド用信号再生装置 | |
| JPS62212902A (ja) | 磁気再生装置 | |
| JPH0721530A (ja) | 磁気抵抗効果型ヘッド | |
| JPS6049968B2 (ja) | 磁気抵抗効果形ヘツドを用いた再生装置 | |
| JP2770291B2 (ja) | 磁気抵抗効果素子の抵抗値変化検出回路 | |
| JP2761680B2 (ja) | 多トラック用薄膜磁気ヘッド | |
| JPS581802A (ja) | 磁気記録再生方式及び磁気ヘツド | |
| JPS6295711A (ja) | 複合型薄膜磁気ヘツドおよびその再生駆動方法 | |
| JPH0562131A (ja) | 複合型磁気ヘツド |