CA1221164A - Methode et appareil d'enregistrement magnetique hydrodynamique - Google Patents
Methode et appareil d'enregistrement magnetique hydrodynamiqueInfo
- Publication number
- CA1221164A CA1221164A CA000460290A CA460290A CA1221164A CA 1221164 A CA1221164 A CA 1221164A CA 000460290 A CA000460290 A CA 000460290A CA 460290 A CA460290 A CA 460290A CA 1221164 A CA1221164 A CA 1221164A
- Authority
- CA
- Canada
- Prior art keywords
- recording medium
- transducer
- liquid
- recording
- arrangement according
- 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
- 238000000034 method Methods 0.000 title claims description 11
- 239000007788 liquid Substances 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000010408 film Substances 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000010409 thin film Substances 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 3
- 238000011109 contamination Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003384 imaging method Methods 0.000 abstract description 10
- 229940090961 chromium dioxide Drugs 0.000 abstract description 5
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 abstract description 5
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 abstract description 5
- 238000011144 upstream manufacturing Methods 0.000 abstract description 4
- 238000006748 scratching Methods 0.000 abstract description 2
- 230000002393 scratching effect Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 10
- 239000012530 fluid Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 229910000423 chromium oxide Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241001600451 Chromis Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G19/00—Processes using magnetic patterns; Apparatus therefor, i.e. magnetography
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
- G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
- G11B21/21—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider
-
- 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
- G11B5/41—Cleaning of heads
-
- 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
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51975983A | 1983-08-02 | 1983-08-02 | |
| US519,759 | 1983-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1221164A true CA1221164A (fr) | 1987-04-28 |
Family
ID=24069667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000460290A Expired CA1221164A (fr) | 1983-08-02 | 1984-08-02 | Methode et appareil d'enregistrement magnetique hydrodynamique |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS60501923A (fr) |
| CA (1) | CA1221164A (fr) |
| DE (1) | DE3490368T1 (fr) |
| GB (2) | GB2153302B (fr) |
| WO (1) | WO1985000918A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5193046A (en) * | 1988-10-17 | 1993-03-09 | Conner Peripherals, Nc. | Information recording apparatus with a liquid bearing |
| US6122143A (en) * | 1989-02-24 | 2000-09-19 | Visqus Corporation | Wet rigid disk drive assembly with a conical spindle bearing |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985000918A1 (fr) * | 1983-08-02 | 1985-02-28 | Harris Graphics Corporation | Procede et dispositif d'enregistrement magnetique hydrodynamique |
| JP2796852B2 (ja) * | 1988-10-31 | 1998-09-10 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 磁気記憶装置及び方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2969435A (en) * | 1955-02-07 | 1961-01-24 | Ibm | Oil film spacer for magnetic recording device |
| US3005675A (en) * | 1956-02-08 | 1961-10-24 | Lab For Electronics Inc | Fluid bearing control for a magnetic head |
| DE1239354B (de) * | 1957-11-28 | 1967-04-27 | Zuse K G | Vorrichtung zum Aufzeichnen bzw. Abtasten von Signalen auf Aufzeichnungstraegern |
| WO1985000918A1 (fr) * | 1983-08-02 | 1985-02-28 | Harris Graphics Corporation | Procede et dispositif d'enregistrement magnetique hydrodynamique |
-
1984
- 1984-08-02 WO PCT/US1984/001224 patent/WO1985000918A1/fr active Application Filing
- 1984-08-02 CA CA000460290A patent/CA1221164A/fr not_active Expired
- 1984-08-02 DE DE19843490368 patent/DE3490368T1/de not_active Withdrawn
- 1984-08-02 GB GB08506178A patent/GB2153302B/en not_active Expired
- 1984-08-02 JP JP50317684A patent/JPS60501923A/ja active Pending
-
1986
- 1986-12-17 GB GB8630134A patent/GB2198690B/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5193046A (en) * | 1988-10-17 | 1993-03-09 | Conner Peripherals, Nc. | Information recording apparatus with a liquid bearing |
| US6122143A (en) * | 1989-02-24 | 2000-09-19 | Visqus Corporation | Wet rigid disk drive assembly with a conical spindle bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3490368T1 (de) | 1985-10-17 |
| GB2153302B (en) | 1988-03-09 |
| JPS60501923A (ja) | 1985-11-07 |
| GB2198690A (en) | 1988-06-22 |
| WO1985000918A1 (fr) | 1985-02-28 |
| GB8630134D0 (en) | 1987-01-28 |
| GB8506178D0 (en) | 1985-04-11 |
| GB2153302A (en) | 1985-08-21 |
| GB2198690B (en) | 1991-01-23 |
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| CA1221164A (fr) | Methode et appareil d'enregistrement magnetique hydrodynamique | |
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| US5671454A (en) | Head to film interface for photofinishing equipment | |
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| JPH06215434A (ja) | 光磁気ディスク装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |