JPH0140402B2 - - Google Patents
Info
- Publication number
- JPH0140402B2 JPH0140402B2 JP58217390A JP21739083A JPH0140402B2 JP H0140402 B2 JPH0140402 B2 JP H0140402B2 JP 58217390 A JP58217390 A JP 58217390A JP 21739083 A JP21739083 A JP 21739083A JP H0140402 B2 JPH0140402 B2 JP H0140402B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording
- head
- perpendicular magnetic
- track
- 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
- 241001422033 Thestylus Species 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 6
- 229910000889 permalloy Inorganic materials 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 229910001201 Ne alloy Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
-
- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21739083A JPS60109018A (ja) | 1983-11-18 | 1983-11-18 | 垂直磁気記録再生装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21739083A JPS60109018A (ja) | 1983-11-18 | 1983-11-18 | 垂直磁気記録再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60109018A JPS60109018A (ja) | 1985-06-14 |
| JPH0140402B2 true JPH0140402B2 (US08124630-20120228-C00102.png) | 1989-08-29 |
Family
ID=16703423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21739083A Granted JPS60109018A (ja) | 1983-11-18 | 1983-11-18 | 垂直磁気記録再生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60109018A (US08124630-20120228-C00102.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5103362A (en) * | 1990-03-13 | 1992-04-07 | International Business Machines Corporation | Method of electrostatically sensing track position information for magnetic recording medium |
| JPH11161944A (ja) * | 1997-11-27 | 1999-06-18 | Sony Corp | 磁気ディスク及び磁気ディスク装置 |
| WO2008075432A1 (ja) * | 2006-12-21 | 2008-06-26 | Fujitsu Limited | 磁気記録媒体及び磁気記録装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5619513A (en) * | 1979-07-25 | 1981-02-24 | Matsushita Electric Ind Co Ltd | Magnetic head for vertical recording |
| JPS5720907A (en) * | 1980-07-10 | 1982-02-03 | Seiko Instr & Electronics Ltd | Magnetic head |
| JPS57167172A (en) * | 1981-04-07 | 1982-10-14 | Victor Co Of Japan Ltd | High density information recording and reproducing system |
| JPS58164012A (ja) * | 1982-03-19 | 1983-09-28 | Sanyo Electric Co Ltd | 垂直型磁気ヘツド |
-
1983
- 1983-11-18 JP JP21739083A patent/JPS60109018A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5619513A (en) * | 1979-07-25 | 1981-02-24 | Matsushita Electric Ind Co Ltd | Magnetic head for vertical recording |
| JPS5720907A (en) * | 1980-07-10 | 1982-02-03 | Seiko Instr & Electronics Ltd | Magnetic head |
| JPS57167172A (en) * | 1981-04-07 | 1982-10-14 | Victor Co Of Japan Ltd | High density information recording and reproducing system |
| JPS58164012A (ja) * | 1982-03-19 | 1983-09-28 | Sanyo Electric Co Ltd | 垂直型磁気ヘツド |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60109018A (ja) | 1985-06-14 |
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