FR2474738A3 - Element magnetique lubrifie, du type destine a l'enregistrement et a la reproduction de signaux, et son procede de lubrification - Google Patents
Element magnetique lubrifie, du type destine a l'enregistrement et a la reproduction de signaux, et son procede de lubrification Download PDFInfo
- Publication number
- FR2474738A3 FR2474738A3 FR8001876A FR8001876A FR2474738A3 FR 2474738 A3 FR2474738 A3 FR 2474738A3 FR 8001876 A FR8001876 A FR 8001876A FR 8001876 A FR8001876 A FR 8001876A FR 2474738 A3 FR2474738 A3 FR 2474738A3
- Authority
- FR
- France
- Prior art keywords
- lubricant
- layer
- liquid
- solid
- solid lubricant
- 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.)
- Granted
Links
- 239000000314 lubricant Substances 0.000 title claims abstract description 58
- 239000007787 solid Substances 0.000 title claims abstract description 49
- 239000010687 lubricating oil Substances 0.000 title claims description 35
- 238000000034 method Methods 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 14
- 230000001050 lubricating effect Effects 0.000 claims description 9
- 238000005498 polishing Methods 0.000 claims description 7
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical group FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 claims description 3
- 239000002216 antistatic agent Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000001993 wax Substances 0.000 claims description 3
- 150000002170 ethers Chemical class 0.000 claims description 2
- 102000055501 telomere Human genes 0.000 claims 1
- 108091035539 telomere Proteins 0.000 claims 1
- 210000003411 telomere Anatomy 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 239000011253 protective coating Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 34
- 238000012360 testing method Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 7
- 239000007921 spray Substances 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 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
- 239000011230 binding agent Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel 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
- G11B5/62—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
-
- 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
- G11B5/726—Two or more protective coatings
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8001876A FR2474738A3 (fr) | 1980-01-29 | 1980-01-29 | Element magnetique lubrifie, du type destine a l'enregistrement et a la reproduction de signaux, et son procede de lubrification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8001876A FR2474738A3 (fr) | 1980-01-29 | 1980-01-29 | Element magnetique lubrifie, du type destine a l'enregistrement et a la reproduction de signaux, et son procede de lubrification |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2474738A3 true FR2474738A3 (fr) | 1981-07-31 |
| FR2474738B3 FR2474738B3 (cg-RX-API-DMAC10.html) | 1981-12-04 |
Family
ID=9237987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8001876A Granted FR2474738A3 (fr) | 1980-01-29 | 1980-01-29 | Element magnetique lubrifie, du type destine a l'enregistrement et a la reproduction de signaux, et son procede de lubrification |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2474738A3 (cg-RX-API-DMAC10.html) |
-
1980
- 1980-01-29 FR FR8001876A patent/FR2474738A3/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2474738B3 (cg-RX-API-DMAC10.html) | 1981-12-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |