CA1199234A - Protective covering for magnetic recording medium - Google Patents
Protective covering for magnetic recording mediumInfo
- Publication number
- CA1199234A CA1199234A CA000428847A CA428847A CA1199234A CA 1199234 A CA1199234 A CA 1199234A CA 000428847 A CA000428847 A CA 000428847A CA 428847 A CA428847 A CA 428847A CA 1199234 A CA1199234 A CA 1199234A
- Authority
- CA
- Canada
- Prior art keywords
- magnetic recording
- coating
- recording medium
- weight
- monomer
- 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
- 230000001681 protective effect Effects 0.000 title claims description 11
- 238000000576 coating method Methods 0.000 claims abstract description 54
- 239000000178 monomer Substances 0.000 claims abstract description 46
- 239000011248 coating agent Substances 0.000 claims abstract description 41
- 239000010702 perfluoropolyether Substances 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 239000010409 thin film Substances 0.000 claims abstract description 17
- 229920000642 polymer Polymers 0.000 claims abstract description 12
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 9
- 229920002554 vinyl polymer Polymers 0.000 claims description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 8
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 238000009501 film coating Methods 0.000 claims description 4
- 125000000623 heterocyclic group Chemical group 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 230000001464 adherent effect Effects 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 230000000379 polymerizing effect Effects 0.000 claims description 2
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 2
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims 2
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 14
- 230000007797 corrosion Effects 0.000 abstract description 14
- 238000006116 polymerization reaction Methods 0.000 abstract description 4
- RCGIUOVPEJGLGD-UHFFFAOYSA-N imidazolidine-2,4-dione;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.O=C1CNC(=O)N1 RCGIUOVPEJGLGD-UHFFFAOYSA-N 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 239000000314 lubricant Substances 0.000 description 8
- 239000010408 film Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- -1 hyl ethyl ketone Chemical compound 0.000 description 5
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 4
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 4
- 229940043265 methyl isobutyl ketone Drugs 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 2
- 238000007766 curtain coating Methods 0.000 description 2
- 238000003618 dip coating Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 1
- SRXJYTZCORKVNA-UHFFFAOYSA-N 1-bromoethenylbenzene Chemical compound BrC(=C)C1=CC=CC=C1 SRXJYTZCORKVNA-UHFFFAOYSA-N 0.000 description 1
- XHAFIUUYXQFJEW-UHFFFAOYSA-N 1-chloroethenylbenzene Chemical compound ClC(=C)C1=CC=CC=C1 XHAFIUUYXQFJEW-UHFFFAOYSA-N 0.000 description 1
- OMNYXCUDBQKCMU-UHFFFAOYSA-N 2,4-dichloro-1-ethenylbenzene Chemical compound ClC1=CC=C(C=C)C(Cl)=C1 OMNYXCUDBQKCMU-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 244000028419 Styrax benzoin Species 0.000 description 1
- 235000000126 Styrax benzoin Nutrition 0.000 description 1
- 235000008411 Sumatra benzointree Nutrition 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000006295 amino methylene group Chemical group [H]N(*)C([H])([H])* 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229960002130 benzoin Drugs 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 125000006367 bivalent amino carbonyl group Chemical group [H]N([*:1])C([*:2])=O 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- FISYGCYZACXIKK-UHFFFAOYSA-N cobalt nickel titanium Chemical compound [Ti][Ni][Ni][Co] FISYGCYZACXIKK-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- FDPIMTJIUBPUKL-UHFFFAOYSA-N dimethylacetone Natural products CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- 235000019382 gum benzoic Nutrition 0.000 description 1
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 description 1
- 229940091173 hydantoin Drugs 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- AVOVSJYQRZMDQJ-KVVVOXFISA-M lithium;(z)-octadec-9-enoate Chemical compound [Li+].CCCCCCCC\C=C/CCCCCCCC([O-])=O AVOVSJYQRZMDQJ-KVVVOXFISA-M 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 150000003673 urethanes Chemical class 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
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- G11B5/722—Protective coatings, e.g. anti-static or antifriction containing an anticorrosive material
-
- 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
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
- G11B5/7253—Fluorocarbon lubricant
- G11B5/7257—Perfluoropolyether lubricant
-
- 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
-
- 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
- Y10S428/90—Magnetic feature
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
-
- 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31536—Including interfacial reaction product of adjacent layers
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
- Y10T428/31544—Addition polymer is perhalogenated
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31935—Ester, halide or nitrile of addition polymer
Landscapes
- Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
- Lubricants (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/394,531 US4404247A (en) | 1982-07-02 | 1982-07-02 | Protective covering for magnetic recording medium |
| US394,531 | 1982-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1199234A true CA1199234A (en) | 1986-01-14 |
Family
ID=23559344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000428847A Expired CA1199234A (en) | 1982-07-02 | 1983-05-25 | Protective covering for magnetic recording medium |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4404247A (enEXAMPLES) |
| EP (1) | EP0098697B1 (enEXAMPLES) |
| JP (1) | JPS5928244A (enEXAMPLES) |
| KR (1) | KR910003454B1 (enEXAMPLES) |
| AU (1) | AU566875B2 (enEXAMPLES) |
| BR (1) | BR8303540A (enEXAMPLES) |
| CA (1) | CA1199234A (enEXAMPLES) |
| DE (1) | DE3373235D1 (enEXAMPLES) |
| HK (1) | HK97590A (enEXAMPLES) |
| IN (1) | IN160847B (enEXAMPLES) |
| MX (1) | MX162570A (enEXAMPLES) |
| SG (1) | SG69590G (enEXAMPLES) |
| ZA (1) | ZA834828B (enEXAMPLES) |
Families Citing this family (62)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1214361A (en) * | 1982-07-02 | 1986-11-25 | James M. Larson | Composite low surface energy liner of perfluoropolyether |
| US4472480A (en) * | 1982-07-02 | 1984-09-18 | Minnesota Mining And Manufacturing Company | Low surface energy liner of perfluoropolyether |
| US4567073A (en) * | 1982-07-02 | 1986-01-28 | Minnesota Mining And Manufacturing Company | Composite low surface energy liner of perfluoropolyether |
| DE3374152D1 (en) * | 1983-05-02 | 1987-11-26 | Ibm Deutschland | Device consisting of a magnetic disc with a lubricant and a magnetic head, and process for manufacturing the device |
| JPS6022785A (ja) * | 1983-07-18 | 1985-02-05 | Fuji Photo Film Co Ltd | フレキシブル磁気デイスク |
| JPS6025074A (ja) * | 1983-07-21 | 1985-02-07 | Fuji Photo Film Co Ltd | フレキシブル磁気デイスク |
| US4514439A (en) * | 1983-09-16 | 1985-04-30 | Rohm And Haas Company | Dust cover |
| US4671999A (en) * | 1983-09-19 | 1987-06-09 | Minnesota Mining And Manufacturing Company | Magnetic recording media having perfluoropolyether coating |
| US4569962A (en) * | 1983-09-19 | 1986-02-11 | Minnesota Mining And Manufacturing Company | Perfluoropolyether compositions which are soluble in non-fluorinated solvents |
| US4705699A (en) * | 1983-09-19 | 1987-11-10 | Minnesota Mining And Manufacturing Company | Method of coating magnetic recording media with perfluoropolyether compositions which are soluble in non-fluorinated solvents |
| US4526833A (en) * | 1983-10-03 | 1985-07-02 | Minnesota Mining And Manufacturing Company | Magnetic recording medium having a perfluoropolyether polymer protective coating |
| JPS6080132A (ja) * | 1983-10-07 | 1985-05-08 | Fuji Photo Film Co Ltd | フレキシブル磁気デイスク保護層の形成方法 |
| US4529659A (en) * | 1983-11-05 | 1985-07-16 | Nippon Telegraph & Telephone Public Corporation | Magnetic recording member and process for manufacturing the same |
| JPS60109028A (ja) * | 1983-11-17 | 1985-06-14 | Hitachi Maxell Ltd | 磁気記録媒体 |
| JPS60111340A (ja) * | 1983-11-21 | 1985-06-17 | Fuji Photo Film Co Ltd | フレキシブル磁気デイスク |
| US4707392A (en) * | 1984-02-29 | 1987-11-17 | Fuji Photo Film Co., Ltd. | Flexible magnetic disk |
| US4759991A (en) * | 1984-03-06 | 1988-07-26 | Toagosei Chemical Industry Co., Ltd. | Magnetic recording medium having a lubricating coating layer |
| JPH0685267B2 (ja) * | 1984-05-07 | 1994-10-26 | 富士写真フイルム株式会社 | フレキシブル磁気デイスク |
| US4614667A (en) * | 1984-05-21 | 1986-09-30 | Minnesota Mining And Manufacturing Company | Composite low surface energy liner of perfluoropolyether |
| US4696845A (en) * | 1984-08-27 | 1987-09-29 | Nec Corporation | Magnetic storage medium with lubricating coating |
| JPS61115238A (ja) * | 1984-11-09 | 1986-06-02 | Fuji Photo Film Co Ltd | フレキシブル磁気デイスクとその製造方法 |
| US4729924A (en) * | 1984-12-21 | 1988-03-08 | Minnesota Mining And Manufacturing Company | Metallic thin film magnetic recording medium having a hard protective layer |
| US4803130A (en) * | 1984-12-21 | 1989-02-07 | Minnesota Mining And Manufacturing Company | Reactive sputtering process for recording media |
| JPS61234312A (ja) * | 1985-04-09 | 1986-10-18 | Mitsubishi Electric Corp | 車載ナビゲ−シヨン装置 |
| JPS61240430A (ja) * | 1985-04-18 | 1986-10-25 | Tdk Corp | 磁気記録媒体 |
| JPS62236135A (ja) * | 1986-04-08 | 1987-10-16 | Hitachi Maxell Ltd | 磁気記録媒体 |
| JP2588515B2 (ja) * | 1987-01-16 | 1997-03-05 | 三菱電機株式会社 | 移動体用ナビゲ−シヨン装置 |
| US4830910A (en) * | 1987-11-18 | 1989-05-16 | Minnesota Mining And Manufacturing Company | Low adhesion compositions of perfluoropolyethers |
| US4849291A (en) * | 1987-12-02 | 1989-07-18 | Eastman Kodak Company | Magnetic recording element |
| US4873140A (en) * | 1988-04-27 | 1989-10-10 | Minnesota Mining And Manufacturing Company | Articles having low adhesion articles having coatings thereon |
| DE68919439T2 (de) * | 1988-06-06 | 1995-06-01 | Fuji Photo Film Co Ltd | Magnetischer Aufzeichnungsträger. |
| US4977021A (en) * | 1988-08-05 | 1990-12-11 | Hoechst Celanese Corporation | Methods for forming magnetic coatings using trioxane recording media having such coatings |
| US5254395A (en) * | 1988-08-23 | 1993-10-19 | Thor Radiation Research, Inc. | Protective coating system for imparting resistance to abrasion, impact and solvents |
| US5114783A (en) * | 1988-08-23 | 1992-05-19 | Thor Radiation Research, Inc. | Protective coating system for imparting resistance to abrasion, impact and solvents |
| 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 |
| US5030478A (en) * | 1989-03-03 | 1991-07-09 | International Business Machines Corporation | Process for bonding lubricants to thin film recording media |
| EP0409411A3 (en) * | 1989-07-21 | 1991-07-24 | Minnesota Mining And Manufacturing Company | Magnetic recording medium with cured surface coating |
| GB8916739D0 (en) * | 1989-07-21 | 1989-09-06 | Minnesota Mining & Mfg | Protective layer for magnetic recording media |
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| US6150024A (en) * | 1997-11-25 | 2000-11-21 | Rexam Release, Inc. | Acrylate release compositions and sheet materials having a release coating formed of the same |
| JP2956674B2 (ja) * | 1997-12-01 | 1999-10-04 | 日本電気株式会社 | 磁気記録媒体用潤滑剤、磁気記録媒体及び磁気記録装置 |
| US6589641B1 (en) | 1998-06-04 | 2003-07-08 | Seagate Technology Llc | Thin films of crosslinked fluoropolymer on a carbon substrate |
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| US6617011B2 (en) * | 1999-05-07 | 2003-09-09 | Seagate Technology Llc | Elastomeric lubricants for magnetic recording media |
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| US3350180A (en) * | 1967-10-31 | Magnetic device with alternating lami- na of magnetic material and non-mag- netic metal on a substrate | ||
| US2644787A (en) * | 1950-01-05 | 1953-07-07 | Eckert Mauchly Comp Corp | Electrodeposition of a magnetic coating |
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| US4321404A (en) * | 1980-05-20 | 1982-03-23 | Minnesota Mining And Manufacturing Company | Compositions for providing abherent coatings |
-
1982
- 1982-07-02 US US06/394,531 patent/US4404247A/en not_active Expired - Lifetime
-
1983
- 1983-05-25 CA CA000428847A patent/CA1199234A/en not_active Expired
- 1983-06-13 DE DE8383303407T patent/DE3373235D1/de not_active Expired
- 1983-06-13 EP EP83303407A patent/EP0098697B1/en not_active Expired
- 1983-07-01 ZA ZA834828A patent/ZA834828B/xx unknown
- 1983-07-01 AU AU16475/83A patent/AU566875B2/en not_active Ceased
- 1983-07-01 BR BR8303540A patent/BR8303540A/pt not_active IP Right Cessation
- 1983-07-01 IN IN818/CAL/83A patent/IN160847B/en unknown
- 1983-07-01 MX MX197914A patent/MX162570A/es unknown
- 1983-07-02 KR KR1019830003030A patent/KR910003454B1/ko not_active Expired
- 1983-07-02 JP JP58120918A patent/JPS5928244A/ja active Granted
-
1990
- 1990-08-22 SG SG695/90A patent/SG69590G/en unknown
- 1990-11-22 HK HK975/90A patent/HK97590A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IN160847B (enEXAMPLES) | 1987-08-08 |
| DE3373235D1 (en) | 1987-10-01 |
| MX162570A (es) | 1991-05-24 |
| JPH0247008B2 (enEXAMPLES) | 1990-10-18 |
| EP0098697A1 (en) | 1984-01-18 |
| AU566875B2 (en) | 1987-11-05 |
| US4404247A (en) | 1983-09-13 |
| SG69590G (en) | 1990-11-23 |
| BR8303540A (pt) | 1984-02-14 |
| JPS5928244A (ja) | 1984-02-14 |
| HK97590A (en) | 1990-11-30 |
| EP0098697B1 (en) | 1987-08-26 |
| KR840005585A (ko) | 1984-11-14 |
| AU1647583A (en) | 1984-01-05 |
| ZA834828B (en) | 1984-05-30 |
| KR910003454B1 (ko) | 1991-05-31 |
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