GB2264193A - Recording disk having a moulded hub. - Google Patents
Recording disk having a moulded hub. Download PDFInfo
- Publication number
- GB2264193A GB2264193A GB9302098A GB9302098A GB2264193A GB 2264193 A GB2264193 A GB 2264193A GB 9302098 A GB9302098 A GB 9302098A GB 9302098 A GB9302098 A GB 9302098A GB 2264193 A GB2264193 A GB 2264193A
- Authority
- GB
- United Kingdom
- Prior art keywords
- recording disk
- metal
- hub
- powder
- disk 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.)
- Withdrawn
Links
- 239000000843 powder Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 28
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 16
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 11
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 11
- 229910001092 metal group alloy Inorganic materials 0.000 claims abstract description 10
- -1 polyethylene Polymers 0.000 claims abstract description 10
- 239000004952 Polyamide Substances 0.000 claims abstract description 5
- 239000004698 Polyethylene Substances 0.000 claims abstract description 5
- 239000004743 Polypropylene Substances 0.000 claims abstract description 5
- 239000004793 Polystyrene Substances 0.000 claims abstract description 5
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims abstract description 5
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims abstract description 5
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims abstract description 5
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims abstract description 5
- 230000005293 ferrimagnetic effect Effects 0.000 claims abstract description 5
- 229920002647 polyamide Polymers 0.000 claims abstract description 5
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 5
- 239000004417 polycarbonate Substances 0.000 claims abstract description 5
- 229920000573 polyethylene Polymers 0.000 claims abstract description 5
- 229920001155 polypropylene Polymers 0.000 claims abstract description 5
- 229920002223 polystyrene Polymers 0.000 claims abstract description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 5
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 4
- 230000005291 magnetic effect Effects 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 10
- 238000000748 compression moulding Methods 0.000 claims description 9
- 239000002923 metal particle Substances 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 229910000859 α-Fe Inorganic materials 0.000 claims description 5
- 239000003302 ferromagnetic material Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000002902 ferrimagnetic material Substances 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052596 spinel Inorganic materials 0.000 claims description 2
- 239000011029 spinel Substances 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 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
- G11B5/74—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
- 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
- G11B23/0028—Details
- G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
-
- 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
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/0301—Details
- G11B23/0312—Driving features
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9201504U DE9201504U1 (de) | 1992-02-07 | 1992-02-07 | Aufzeichnungsplatte mit einem Gehäuse |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9302098D0 GB9302098D0 (en) | 1993-03-24 |
GB2264193A true GB2264193A (en) | 1993-08-18 |
Family
ID=6875857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9302098A Withdrawn GB2264193A (en) | 1992-02-07 | 1993-02-03 | Recording disk having a moulded hub. |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE9201504U1 (de) |
GB (1) | GB2264193A (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01243281A (ja) * | 1988-03-23 | 1989-09-27 | Mitsubishi Rayon Co Ltd | 光メモリディスクハブの製造方法 |
EP0356811A2 (de) * | 1988-08-30 | 1990-03-07 | Mitsubishi Rayon Co., Ltd. | Nabe für optische Speicherplatte und Verfahren zu deren Herstellung |
JPH02301081A (ja) * | 1989-05-12 | 1990-12-13 | Mitsubishi Rayon Co Ltd | 光メモリデイスクハブの接着方法 |
JPH035111A (ja) * | 1989-06-02 | 1991-01-10 | Mitsubishi Rayon Co Ltd | 光メモリデイスクハブの形成方法 |
EP0509714A2 (de) * | 1991-04-12 | 1992-10-21 | Hoechst Celanese Corporation | Aus magnetischem weichem Polyacetal hergestellte zentrale Nabe für flexible magnetische Datenplatte |
-
1992
- 1992-02-07 DE DE9201504U patent/DE9201504U1/de not_active Expired - Lifetime
-
1993
- 1993-02-03 GB GB9302098A patent/GB2264193A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01243281A (ja) * | 1988-03-23 | 1989-09-27 | Mitsubishi Rayon Co Ltd | 光メモリディスクハブの製造方法 |
EP0356811A2 (de) * | 1988-08-30 | 1990-03-07 | Mitsubishi Rayon Co., Ltd. | Nabe für optische Speicherplatte und Verfahren zu deren Herstellung |
JPH02301081A (ja) * | 1989-05-12 | 1990-12-13 | Mitsubishi Rayon Co Ltd | 光メモリデイスクハブの接着方法 |
JPH035111A (ja) * | 1989-06-02 | 1991-01-10 | Mitsubishi Rayon Co Ltd | 光メモリデイスクハブの形成方法 |
EP0509714A2 (de) * | 1991-04-12 | 1992-10-21 | Hoechst Celanese Corporation | Aus magnetischem weichem Polyacetal hergestellte zentrale Nabe für flexible magnetische Datenplatte |
Non-Patent Citations (3)
Title |
---|
WPI Abstract Accession No.89-327955/45 & JP,A,1 243 281. * |
WPI Abstract Accession No.91-032221/05 & JP,A,2 301 081. * |
WPI Abstract Accession No.91-054594/08 & JP,A,3 005 111. * |
Also Published As
Publication number | Publication date |
---|---|
GB9302098D0 (en) | 1993-03-24 |
DE9201504U1 (de) | 1992-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |