DE2107258A1 - Verfahren zum Herstellen durch gehender Magnetitschichten hoher mag netischer Remanenz fur Aufzeichnungs trager großer Speicherdichte - Google Patents
Verfahren zum Herstellen durch gehender Magnetitschichten hoher mag netischer Remanenz fur Aufzeichnungs trager großer SpeicherdichteInfo
- Publication number
- DE2107258A1 DE2107258A1 DE19712107258 DE2107258A DE2107258A1 DE 2107258 A1 DE2107258 A1 DE 2107258A1 DE 19712107258 DE19712107258 DE 19712107258 DE 2107258 A DE2107258 A DE 2107258A DE 2107258 A1 DE2107258 A1 DE 2107258A1
- Authority
- DE
- Germany
- Prior art keywords
- layer
- process according
- substrate
- magnetite
- amorphous
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 34
- 230000005291 magnetic effect Effects 0.000 title claims description 21
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 title claims description 19
- 230000008569 process Effects 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 239000000758 substrate Substances 0.000 claims description 27
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 19
- 239000000243 solution Substances 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- -1 non-magnetic Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
- H01F10/20—Ferrites
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Power Engineering (AREA)
- Thin Magnetic Films (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Compounds Of Iron (AREA)
- Chemically Coating (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1191070A | 1970-02-16 | 1970-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2107258A1 true DE2107258A1 (de) | 1971-09-02 |
Family
ID=21752479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712107258 Pending DE2107258A1 (de) | 1970-02-16 | 1971-02-16 | Verfahren zum Herstellen durch gehender Magnetitschichten hoher mag netischer Remanenz fur Aufzeichnungs trager großer Speicherdichte |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3620841A (enExample) |
| JP (1) | JPS536640B1 (enExample) |
| CA (1) | CA943332A (enExample) |
| DE (1) | DE2107258A1 (enExample) |
| FR (1) | FR2080455A5 (enExample) |
| GB (1) | GB1320253A (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2180575B1 (enExample) * | 1972-04-21 | 1978-05-12 | Anvar | |
| US3860450A (en) * | 1972-05-05 | 1975-01-14 | California Inst Of Techn | Method of forming magnetite thin film |
| US3859129A (en) * | 1972-05-26 | 1975-01-07 | Corning Glass Works | Method of improving the magnetic properties of cobalt substituted magnetite |
| US3996395A (en) * | 1972-05-26 | 1976-12-07 | Corning Glass Works | Method of increasing the coercivity of magnetite films |
| US3900593A (en) * | 1972-06-16 | 1975-08-19 | Corning Glass Works | Method of producing magnetic metal oxide films bonded to a substrate |
| US4152469A (en) * | 1973-07-30 | 1979-05-01 | Corning Glass Works | Method of forming a magnetic recording and storage device having high abrasion resistance |
| JPS5310279B2 (enExample) * | 1974-03-01 | 1978-04-12 | ||
| JPS5155995A (en) * | 1974-11-12 | 1976-05-17 | Nippon Telegraph & Telephone | Sankabutsujiseihakumakuno seizohoho |
| US4271232A (en) * | 1978-08-28 | 1981-06-02 | International Business Machines Corporation | Amorphous magnetic film |
| JPS61212839A (ja) * | 1985-03-18 | 1986-09-20 | Canon Inc | 原稿台装置 |
| CN113252755B (zh) * | 2021-05-19 | 2022-07-29 | 中国科学院地球化学研究所 | 一种高纯致密磁铁矿电极的制备方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA626756A (en) * | 1961-09-05 | American Pigment Corporation | Production of ferromagnetic oxide | |
| US2978414A (en) * | 1951-04-09 | 1961-04-04 | Agfa Ag | Magnetic impulse record carrier |
| US3414378A (en) * | 1965-10-11 | 1968-12-03 | Canadian Patents Dev | Production of amorphous ferric oxide |
-
1970
- 1970-02-16 US US11910A patent/US3620841A/en not_active Expired - Lifetime
- 1970-12-24 CA CA101,452A patent/CA943332A/en not_active Expired
-
1971
- 1971-01-21 FR FR7102574A patent/FR2080455A5/fr not_active Expired
- 1971-01-22 JP JP164371A patent/JPS536640B1/ja active Pending
- 1971-02-16 DE DE19712107258 patent/DE2107258A1/de active Pending
- 1971-04-19 GB GB2033271A patent/GB1320253A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS536640B1 (enExample) | 1978-03-09 |
| CA943332A (en) | 1974-03-12 |
| US3620841A (en) | 1971-11-16 |
| FR2080455A5 (enExample) | 1971-11-12 |
| GB1320253A (en) | 1973-06-13 |
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