EP0188523A1 - Substrat für festplattenspeicher sowie verfahren und vorrichtung dazu - Google Patents
Substrat für festplattenspeicher sowie verfahren und vorrichtung dazuInfo
- Publication number
- EP0188523A1 EP0188523A1 EP85903528A EP85903528A EP0188523A1 EP 0188523 A1 EP0188523 A1 EP 0188523A1 EP 85903528 A EP85903528 A EP 85903528A EP 85903528 A EP85903528 A EP 85903528A EP 0188523 A1 EP0188523 A1 EP 0188523A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- set forth
- substrate
- disk
- storage medium
- disks
- 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.)
- Withdrawn
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 134
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000003860 storage Methods 0.000 title claims description 41
- 239000000463 material Substances 0.000 claims abstract description 53
- 230000007547 defect Effects 0.000 claims abstract description 10
- 238000004049 embossing Methods 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 238000007516 diamond turning Methods 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 238000009877 rendering Methods 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 32
- 238000005520 cutting process Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 17
- 238000012546 transfer Methods 0.000 description 14
- 238000000576 coating method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 4
- 238000013500 data storage Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000011232 storage material Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000004883 computer application Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
- B29D17/005—Producing optically read record carriers, e.g. optical discs
- B29D17/007—Forming the relief pattern on a support larger than the record
-
- 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
- G11B23/0014—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 record carriers not specifically of filamentary or web form
- G11B23/0021—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 record carriers not specifically of filamentary or web form discs
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/716—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62817784A | 1984-07-06 | 1984-07-06 | |
| US628177 | 1984-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0188523A1 true EP0188523A1 (de) | 1986-07-30 |
| EP0188523A4 EP0188523A4 (de) | 1987-08-24 |
Family
ID=24517799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19850903528 Withdrawn EP0188523A4 (de) | 1984-07-06 | 1985-06-19 | Substrat für festplattenspeicher sowie verfahren und vorrichtung dazu. |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0188523A4 (de) |
| JP (1) | JPS61502787A (de) |
| KR (1) | KR860700307A (de) |
| AU (1) | AU4540485A (de) |
| CA (1) | CA1254300A (de) |
| DK (1) | DK100086A (de) |
| WO (1) | WO1986000741A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3629045A1 (de) * | 1986-08-27 | 1988-03-10 | Keil D J Kg | Handhabungs- und foerdereinrichtung fuer compact-disk-rohlinge o.dgl. |
| DE4127341C2 (de) * | 1991-08-19 | 2000-03-09 | Leybold Ag | Vorrichtung zum selbsttätigen Gießen, Beschichten, Lackieren, Prüfen und Sortieren von Werkstücken |
| DE19741833A1 (de) * | 1997-09-23 | 1999-03-25 | Reiner Glaess | Vorrichtung zum Anfasen der Umfangskante einer CD |
| US6401510B1 (en) | 1999-04-07 | 2002-06-11 | 3M Innovative Properties Company | Method for stamping a part from a multi-layered strip |
| JP2002540949A (ja) * | 1999-04-07 | 2002-12-03 | スリーエム イノベイティブ プロパティズ カンパニー | 多層構造ストリップから部品を打出すための方法および装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB667826A (en) * | 1950-03-15 | 1952-03-05 | Link Belt Co | Method of increasing the fatigue strength of chain links |
| FR1353896A (fr) * | 1962-04-19 | 1964-02-28 | Ncr Co | Procédé de fabrication de dispositifs magnétiques de mémoire |
| DE3102759A1 (de) * | 1980-01-28 | 1982-04-22 | Kobe Steel, Ltd., Kobe, Hyogo | Verfahren zur herstellung von legierungssubstraten auf al-basis fuer magnetische aufzeichnungsmaterialien und rohling fuer die herstellung eines solchen substrats |
| US4374795A (en) * | 1980-09-11 | 1983-02-22 | Bell Telephone Laboratories, Incorporated | Production of mold charge of elastomeric material containing magnetic oxide filler |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1348780A (en) * | 1969-12-29 | 1974-03-20 | Fuji Photo Film Co Ltd | Method of making a magnetic disc |
| US3886052A (en) * | 1970-07-20 | 1975-05-27 | Digital Equipment Corp | Method of making a magnetic recording disc |
| US3761333A (en) * | 1971-05-21 | 1973-09-25 | Ibm | Method of and apparatus for manufacturing of a magnetic storage disk |
| US3797035A (en) * | 1972-06-23 | 1974-03-12 | Ibm | Recording media orientation |
| US4029541A (en) * | 1974-07-05 | 1977-06-14 | Ampex Corporation | Magnetic recording disc of improved durability having tin-nickel undercoating |
| US4030138A (en) * | 1975-07-18 | 1977-06-14 | Rca Corporation | Record protection system |
| JPS5255603A (en) * | 1975-10-31 | 1977-05-07 | Nec Corp | Magnetic memory element and production of same |
| JPS5671821A (en) * | 1979-11-14 | 1981-06-15 | Hitachi Ltd | Substrate for magnetic disc and its manufacture |
| US4525759A (en) * | 1984-04-02 | 1985-06-25 | Shipley Company Inc. | Aluminum storage disc |
-
1985
- 1985-06-19 KR KR860700137A patent/KR860700307A/ko not_active Application Discontinuation
- 1985-06-19 WO PCT/US1985/001182 patent/WO1986000741A1/en not_active Application Discontinuation
- 1985-06-19 EP EP19850903528 patent/EP0188523A4/de not_active Withdrawn
- 1985-06-19 JP JP60502892A patent/JPS61502787A/ja active Pending
- 1985-06-19 AU AU45404/85A patent/AU4540485A/en not_active Abandoned
- 1985-06-28 CA CA000486083A patent/CA1254300A/en not_active Expired
-
1986
- 1986-03-05 DK DK100086A patent/DK100086A/da not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB667826A (en) * | 1950-03-15 | 1952-03-05 | Link Belt Co | Method of increasing the fatigue strength of chain links |
| FR1353896A (fr) * | 1962-04-19 | 1964-02-28 | Ncr Co | Procédé de fabrication de dispositifs magnétiques de mémoire |
| DE3102759A1 (de) * | 1980-01-28 | 1982-04-22 | Kobe Steel, Ltd., Kobe, Hyogo | Verfahren zur herstellung von legierungssubstraten auf al-basis fuer magnetische aufzeichnungsmaterialien und rohling fuer die herstellung eines solchen substrats |
| US4374795A (en) * | 1980-09-11 | 1983-02-22 | Bell Telephone Laboratories, Incorporated | Production of mold charge of elastomeric material containing magnetic oxide filler |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO8600741A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0188523A4 (de) | 1987-08-24 |
| JPS61502787A (ja) | 1986-11-27 |
| DK100086D0 (da) | 1986-03-05 |
| DK100086A (da) | 1986-03-05 |
| KR860700307A (ko) | 1986-08-01 |
| CA1254300A (en) | 1989-05-16 |
| WO1986000741A1 (en) | 1986-01-30 |
| AU4540485A (en) | 1986-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
| 17P | Request for examination filed |
Effective date: 19860715 |
|
| A4 | Supplementary search report drawn up and despatched |
Effective date: 19870824 |
|
| 17Q | First examination report despatched |
Effective date: 19890303 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
| 18W | Application withdrawn |
Withdrawal date: 19900209 |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: COE, THOMAS, U. |