DE2556755C2 - Mehrschichtiger magnetischer Aufzeichnungsträger - Google Patents
Mehrschichtiger magnetischer AufzeichnungsträgerInfo
- Publication number
- DE2556755C2 DE2556755C2 DE2556755A DE2556755A DE2556755C2 DE 2556755 C2 DE2556755 C2 DE 2556755C2 DE 2556755 A DE2556755 A DE 2556755A DE 2556755 A DE2556755 A DE 2556755A DE 2556755 C2 DE2556755 C2 DE 2556755C2
- Authority
- DE
- Germany
- Prior art keywords
- layer
- recording medium
- magnetic recording
- metal
- plastic
- 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
- 239000004033 plastic Substances 0.000 claims description 22
- 229920003023 plastic Polymers 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 2
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 239000000049 pigment Substances 0.000 claims 1
- 229920000647 polyepoxide Polymers 0.000 claims 1
- 239000010410 layer Substances 0.000 description 50
- 239000000463 material Substances 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 230000006911 nucleation Effects 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 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
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000019612 pigmentation Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
- G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/733—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the addition of non-magnetic particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/923—Physical dimension
- Y10S428/924—Composite
- Y10S428/926—Thickness of individual layer specified
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9265—Special properties
- Y10S428/928—Magnetic property
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12556—Organic component
- Y10T428/12569—Synthetic resin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12611—Oxide-containing component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12611—Oxide-containing component
- Y10T428/12618—Plural oxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
- Y10T428/12826—Group VIB metal-base component
- Y10T428/12847—Cr-base component
Landscapes
- Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2556755A DE2556755C2 (de) | 1975-12-17 | 1975-12-17 | Mehrschichtiger magnetischer Aufzeichnungsträger |
| FR7631442A FR2335906A1 (fr) | 1975-12-17 | 1976-10-11 | Support d'enregistrement magnetique |
| GB42464/76A GB1530197A (en) | 1975-12-17 | 1976-10-13 | Magnetic record carrier |
| JP51141364A JPS5274307A (en) | 1975-12-17 | 1976-11-26 | Magnetic recording media |
| US05/749,209 US4074016A (en) | 1975-12-17 | 1976-12-09 | Magnetic record carrier |
| IT30277/76A IT1074193B (it) | 1975-12-17 | 1976-12-10 | Supporto di registrazione magnetica |
| NL7613903A NL7613903A (nl) | 1975-12-17 | 1976-12-15 | Magnetische registratiedrager. |
| CA268,094A CA1103098A (en) | 1975-12-17 | 1976-12-17 | Magnetic record carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2556755A DE2556755C2 (de) | 1975-12-17 | 1975-12-17 | Mehrschichtiger magnetischer Aufzeichnungsträger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2556755A1 DE2556755A1 (de) | 1977-07-07 |
| DE2556755C2 true DE2556755C2 (de) | 1982-04-15 |
Family
ID=5964595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2556755A Expired DE2556755C2 (de) | 1975-12-17 | 1975-12-17 | Mehrschichtiger magnetischer Aufzeichnungsträger |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4074016A (enExample) |
| JP (1) | JPS5274307A (enExample) |
| CA (1) | CA1103098A (enExample) |
| DE (1) | DE2556755C2 (enExample) |
| FR (1) | FR2335906A1 (enExample) |
| GB (1) | GB1530197A (enExample) |
| IT (1) | IT1074193B (enExample) |
| NL (1) | NL7613903A (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1599161A (en) * | 1976-07-15 | 1981-09-30 | Matsushita Electric Industrial Co Ltd | Magnetic recording medium and method of making the same |
| US4079169A (en) * | 1976-11-15 | 1978-03-14 | International Business Machines Corporation | Cobalt base alloy as protective layer for magnetic recording media |
| DE2909891A1 (de) * | 1979-03-14 | 1980-09-25 | Basf Ag | Magnetischer aufzeichnungstraeger |
| DE3014718A1 (de) * | 1980-04-17 | 1981-10-22 | Ibm Deutschland Gmbh, 7000 Stuttgart | Mehrschichtige magnetische duennfilmplatte mit kunstharzschicht sowie verfahren zur herstellung derselben |
| JPS57164420A (en) * | 1981-03-31 | 1982-10-09 | Hitachi Maxell Ltd | Magnetic recording medium |
| JPS57167124A (en) * | 1981-04-03 | 1982-10-14 | Hitachi Maxell Ltd | Magnetic recording medium |
| JPS57167123A (en) * | 1981-04-03 | 1982-10-14 | Hitachi Maxell Ltd | Magnetic recording medium |
| JPS61217925A (ja) * | 1985-03-23 | 1986-09-27 | Victor Co Of Japan Ltd | 磁気記録媒体 |
| US4880514A (en) * | 1985-05-03 | 1989-11-14 | Akshic Memories Corporation | Method of making a thin film magnetic disk |
| US4894133A (en) * | 1985-11-12 | 1990-01-16 | Virgle L. Hedgcoth | Method and apparatus making magnetic recording disk |
| US5082747A (en) * | 1985-11-12 | 1992-01-21 | Hedgcoth Virgle L | Magnetic recording disk and sputtering process and apparatus for producing same |
| DE3601438C1 (de) * | 1986-01-20 | 1987-04-09 | Glyco Metall Werke | Schichtverbundwerkstoff mit Diffusionssperrschicht,insbesondere fuer Gleit- und Reibelemente,sowie Verfahren zu seiner Herstellung |
| JP2547651B2 (ja) * | 1989-05-22 | 1996-10-23 | 日本板硝子株式会社 | 磁気記録媒体 |
| TW342136U (en) * | 1993-12-14 | 1998-10-01 | Ibm | Thin film magnetic transducer having a stable soft film for reducing asymmetry variations |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL265011A (enExample) * | 1960-05-19 | 1900-01-01 | ||
| US3150939A (en) * | 1961-07-17 | 1964-09-29 | Ibm | High density record carrier |
| GB1023150A (en) * | 1962-09-18 | 1966-03-23 | Gevaert Photo Prod Nv | Magnetic signal carrier |
| US3520664A (en) * | 1966-11-10 | 1970-07-14 | Ibm | Magnetic thin-film device |
| US3738818A (en) * | 1971-06-03 | 1973-06-12 | Control Data Corp | High recording density magnetic media with square b-h loop |
| US3730852A (en) * | 1971-11-09 | 1973-05-01 | Basf Ag | Manufacture of abrasion-resistant magnetic recording media |
-
1975
- 1975-12-17 DE DE2556755A patent/DE2556755C2/de not_active Expired
-
1976
- 1976-10-11 FR FR7631442A patent/FR2335906A1/fr active Granted
- 1976-10-13 GB GB42464/76A patent/GB1530197A/en not_active Expired
- 1976-11-26 JP JP51141364A patent/JPS5274307A/ja active Granted
- 1976-12-09 US US05/749,209 patent/US4074016A/en not_active Expired - Lifetime
- 1976-12-10 IT IT30277/76A patent/IT1074193B/it active
- 1976-12-15 NL NL7613903A patent/NL7613903A/xx not_active Application Discontinuation
- 1976-12-17 CA CA268,094A patent/CA1103098A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2335906A1 (fr) | 1977-07-15 |
| DE2556755A1 (de) | 1977-07-07 |
| CA1103098A (en) | 1981-06-16 |
| NL7613903A (nl) | 1977-06-21 |
| US4074016A (en) | 1978-02-14 |
| IT1074193B (it) | 1985-04-17 |
| FR2335906B1 (enExample) | 1978-12-22 |
| JPS5274307A (en) | 1977-06-22 |
| JPS5615044B2 (enExample) | 1981-04-08 |
| GB1530197A (en) | 1978-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8339 | Ceased/non-payment of the annual fee |