DE3816467C2 - - Google Patents
Info
- Publication number
- DE3816467C2 DE3816467C2 DE3816467A DE3816467A DE3816467C2 DE 3816467 C2 DE3816467 C2 DE 3816467C2 DE 3816467 A DE3816467 A DE 3816467A DE 3816467 A DE3816467 A DE 3816467A DE 3816467 C2 DE3816467 C2 DE 3816467C2
- Authority
- DE
- Germany
- Prior art keywords
- lubricant
- film
- magnetic
- group
- atoms
- 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 - Lifetime
Links
- 239000000314 lubricant Substances 0.000 claims description 55
- 239000010702 perfluoropolyether Substances 0.000 claims description 28
- 125000004432 carbon atom Chemical group C* 0.000 claims description 22
- 150000001875 compounds Chemical class 0.000 claims description 19
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 125000002947 alkylene group Chemical group 0.000 claims description 5
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 125000000524 functional group Chemical group 0.000 claims description 4
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 229910001413 alkali metal ion Inorganic materials 0.000 claims description 2
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 claims description 2
- 229910001385 heavy metal Inorganic materials 0.000 claims description 2
- 239000007787 solid Substances 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 19
- 239000010687 lubricating oil Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 6
- 238000005461 lubrication Methods 0.000 description 5
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000006247 magnetic powder Substances 0.000 description 3
- -1 perfluoro groups Chemical group 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium dioxide Chemical compound O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910020598 Co Fe Inorganic materials 0.000 description 1
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- 229910002519 Co-Fe Inorganic materials 0.000 description 1
- 229910002440 Co–Ni Inorganic materials 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229910001096 P alloy Inorganic materials 0.000 description 1
- 229920001774 Perfluoroether Polymers 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000001183 hydrocarbyl group Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000003879 lubricant additive Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical compound FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000009044 synergistic interaction Effects 0.000 description 1
- 229920006250 telechelic polymer Polymers 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical group FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 229910006297 γ-Fe2O3 Inorganic materials 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
- G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
- G11B5/7253—Fluorocarbon lubricant
- G11B5/7257—Perfluoropolyether lubricant
Landscapes
- Magnetic Record Carriers (AREA)
- Lubricants (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62114847A JPS63281218A (ja) | 1987-05-13 | 1987-05-13 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3816467A1 DE3816467A1 (de) | 1988-12-08 |
| DE3816467C2 true DE3816467C2 (ko) | 1990-08-16 |
Family
ID=14648197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3816467A Granted DE3816467A1 (de) | 1987-05-13 | 1988-05-13 | Magnetaufzeichnungsmedium |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS63281218A (ko) |
| DE (1) | DE3816467A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5462810A (en) | 1993-01-15 | 1995-10-31 | Basf Magnetics Gmbh | Magnetic recording medium |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE68928648T2 (de) * | 1988-10-14 | 1998-11-05 | Matsushita Electric Ind Co Ltd | Organische Fluorverbindungen |
| IT1241402B (it) * | 1990-03-02 | 1994-01-14 | Enichem Sintesi | Agenti scivolanti |
| JP3130674B2 (ja) * | 1992-04-10 | 2001-01-31 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| DE4300857A1 (de) * | 1993-01-15 | 1994-07-21 | Basf Magnetics Gmbh | Magnetisches Aufzeichnungsmedium |
| DE19536504C2 (de) * | 1995-09-29 | 1999-09-23 | H Meinert | Verwendung fluorierter Alkane |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4268556A (en) * | 1979-01-08 | 1981-05-19 | Minnesota Mining And Manufacturing Company | Rigid magnetic recording disks lubricated with fluorinated telechelic polyether |
| JPS59116931A (ja) * | 1982-12-23 | 1984-07-06 | Seiko Epson Corp | 磁気記録媒体の潤滑層形成法 |
| JPS61253634A (ja) * | 1985-05-01 | 1986-11-11 | Hitachi Maxell Ltd | 磁気記録媒体 |
| JP2526545B2 (ja) * | 1986-04-07 | 1996-08-21 | ソニー株式会社 | 磁気記録媒体 |
-
1987
- 1987-05-13 JP JP62114847A patent/JPS63281218A/ja active Pending
-
1988
- 1988-05-13 DE DE3816467A patent/DE3816467A1/de active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5462810A (en) | 1993-01-15 | 1995-10-31 | Basf Magnetics Gmbh | Magnetic recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63281218A (ja) | 1988-11-17 |
| DE3816467A1 (de) | 1988-12-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |