DE2522780C2 - Magnetischer Aufzeichnungsträger - Google Patents
Magnetischer AufzeichnungsträgerInfo
- Publication number
- DE2522780C2 DE2522780C2 DE2522780A DE2522780A DE2522780C2 DE 2522780 C2 DE2522780 C2 DE 2522780C2 DE 2522780 A DE2522780 A DE 2522780A DE 2522780 A DE2522780 A DE 2522780A DE 2522780 C2 DE2522780 C2 DE 2522780C2
- Authority
- DE
- Germany
- Prior art keywords
- layer
- magnetic
- recording
- tape
- magnetic recording
- 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
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- 230000003746 surface roughness Effects 0.000 claims description 22
- 239000003738 black carbon Substances 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 18
- 239000011230 binding agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 15
- -1 polyethylene terephthalate Polymers 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 230000035945 sensitivity Effects 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 7
- 230000005294 ferromagnetic effect Effects 0.000 claims description 6
- 239000001023 inorganic pigment Substances 0.000 claims description 6
- 239000000049 pigment Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
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- 239000004952 Polyamide Substances 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
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- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
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- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
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- 235000010445 lecithin Nutrition 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 229920001220 nitrocellulos Polymers 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
- 229960002446 octanoic acid Drugs 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 125000002270 phosphoric acid ester group Chemical group 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 239000001397 quillaja saponaria molina bark Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229930182490 saponin Natural products 0.000 description 1
- 150000007949 saponins Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical class NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000008096 xylene 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
- G11B5/73—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
- G11B5/735—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 back layer
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5668674A JPS5337003B2 (enrdf_load_stackoverflow) | 1974-05-22 | 1974-05-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2522780A1 DE2522780A1 (de) | 1975-12-04 |
| DE2522780C2 true DE2522780C2 (de) | 1984-02-23 |
Family
ID=13034309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2522780A Expired DE2522780C2 (de) | 1974-05-22 | 1975-05-22 | Magnetischer Aufzeichnungsträger |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5337003B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2522780C2 (enrdf_load_stackoverflow) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5313907A (en) * | 1976-07-26 | 1978-02-08 | Fuji Photo Film Co Ltd | Reader or trailer for magnetic tape |
| NO784312L (no) * | 1977-12-23 | 1979-06-26 | Smith Johannsen Robert | Preparering av hydrofobe substrater med modifisert grafitt |
| JPS578926A (en) * | 1980-06-17 | 1982-01-18 | Fuji Photo Film Co Ltd | Magnetic recording body |
| US4474843A (en) * | 1980-08-18 | 1984-10-02 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
| JPS57150135A (en) * | 1981-03-12 | 1982-09-16 | Fuji Photo Film Co Ltd | Magnetic recording body |
| JPS57200937A (en) * | 1981-06-05 | 1982-12-09 | Tdk Corp | Magnetic recording medium |
| JPS5922230A (ja) * | 1982-07-29 | 1984-02-04 | Victor Co Of Japan Ltd | 磁気記録媒体 |
| JPH0654536B2 (ja) * | 1983-02-04 | 1994-07-20 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| JPS59223937A (ja) * | 1983-06-03 | 1984-12-15 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS6122424A (ja) * | 1984-07-09 | 1986-01-31 | Hitachi Maxell Ltd | 磁気記録媒体 |
| JPS6185620A (ja) * | 1984-10-04 | 1986-05-01 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS6185621A (ja) * | 1984-10-04 | 1986-05-01 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS61210518A (ja) * | 1985-03-13 | 1986-09-18 | Matsushita Electric Ind Co Ltd | 磁気記録媒体の製造方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1101000B (de) * | 1955-11-04 | 1961-03-02 | Basf Ag | Bandfoermiger Magnetogrammtraeger |
| US3617378A (en) * | 1969-09-29 | 1971-11-02 | Ibm | Magnetic recording media |
| JPS5644488B2 (enrdf_load_stackoverflow) * | 1974-05-15 | 1981-10-20 |
-
1974
- 1974-05-22 JP JP5668674A patent/JPS5337003B2/ja not_active Expired
-
1975
- 1975-05-22 DE DE2522780A patent/DE2522780C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50150407A (enrdf_load_stackoverflow) | 1975-12-02 |
| DE2522780A1 (de) | 1975-12-04 |
| JPS5337003B2 (enrdf_load_stackoverflow) | 1978-10-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: LIEDL, G., DIPL.-PHYS. NOETH, H., DIPL.-PHYS., PAT |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |