CA1143258A - Method of forming a magneto-optical polycrystalline cobalt ferrite layer on a substrate - Google Patents
Method of forming a magneto-optical polycrystalline cobalt ferrite layer on a substrateInfo
- Publication number
- CA1143258A CA1143258A CA000308688A CA308688A CA1143258A CA 1143258 A CA1143258 A CA 1143258A CA 000308688 A CA000308688 A CA 000308688A CA 308688 A CA308688 A CA 308688A CA 1143258 A CA1143258 A CA 1143258A
- Authority
- CA
- Canada
- Prior art keywords
- substrate
- magneto
- layer
- cobalt ferrite
- solution
- 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
- 239000000758 substrate Substances 0.000 title claims abstract description 26
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 21
- 239000010941 cobalt Substances 0.000 title claims abstract description 18
- 229910017052 cobalt Inorganic materials 0.000 title claims abstract description 18
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 28
- 239000000443 aerosol Substances 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 150000002823 nitrates Chemical class 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- 150000003839 salts Chemical class 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000011029 spinel Substances 0.000 claims description 5
- 229910052596 spinel Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000015654 memory Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 6
- 238000010304 firing Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 125000005595 acetylacetonate group Chemical group 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 150000001860 citric acid derivatives Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 metal-organic compounds nitrates Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/0009—Materials therefor
- G02F1/0036—Magneto-optical materials
-
- 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)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Thin Magnetic Films (AREA)
- Chemically Coating (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Iron (AREA)
- Surface Treatment Of Glass (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7708959A NL7708959A (nl) | 1977-08-15 | 1977-08-15 | Werkwijze voor het vormen van een magneto-op- tische polykristallijne cobalt ferriet laag en cobalt ferriet laag vervaardigd volgens de werkwijze. |
| NL7708959 | 1977-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1143258A true CA1143258A (en) | 1983-03-22 |
Family
ID=19829014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000308688A Expired CA1143258A (en) | 1977-08-15 | 1978-08-03 | Method of forming a magneto-optical polycrystalline cobalt ferrite layer on a substrate |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5435900A (enrdf_load_stackoverflow) |
| AU (1) | AU521775B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1143258A (enrdf_load_stackoverflow) |
| DE (1) | DE2835203A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2400493A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2002338B (enrdf_load_stackoverflow) |
| NL (1) | NL7708959A (enrdf_load_stackoverflow) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8203725A (nl) * | 1982-09-27 | 1984-04-16 | Philips Nv | Thermo-magneto-optische geheugeninrichting en registratiemedium daarvoor. |
| NL8204291A (nl) * | 1982-11-05 | 1984-06-01 | Philips Nv | Optisch registratie-element. |
| NL8301916A (nl) * | 1983-05-31 | 1984-12-17 | Philips Nv | Thermo-magneto-optische registratie-inrichting en registratie-element daarvoor. |
| US4670323A (en) * | 1983-11-26 | 1987-06-02 | Ricoh Company, Ltd. | Magneto-optic recording medium having a metal oxide recording layer |
| US4670322A (en) * | 1983-12-05 | 1987-06-02 | Ricoh Company, Ltd. | Metal oxide magnetic substance and a magnetic film consisting thereof and their uses |
| DE3503996A1 (de) * | 1984-02-06 | 1985-08-08 | Ricoh Co., Ltd., Tokio/Tokyo | Magnetische metalloxidsubstanz und eine daraus bestehende magnetschicht sowie deren verwendungen |
| JPS63290465A (ja) * | 1987-05-22 | 1988-11-28 | Matsushita Graphic Commun Syst Inc | 画像読取装置 |
| JPH0246705A (ja) * | 1988-08-09 | 1990-02-16 | Asahi Chem Ind Co Ltd | コバルトフェライト磁性薄膜 |
| CA2048740A1 (en) * | 1990-12-24 | 1992-06-25 | John A. Deluca | Method of preparing metal oxide films |
| JP4560619B2 (ja) * | 2003-03-26 | 2010-10-13 | 独立行政法人産業技術総合研究所 | 永久磁石膜 |
| JP2010083700A (ja) * | 2008-09-30 | 2010-04-15 | Dainippon Printing Co Ltd | コバルト酸化物膜を有する積層体 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1010205B (de) * | 1952-09-22 | 1957-06-13 | Siemens Ag | Herstellung von ferromagnetischen Sinterferritkoerpern |
| DE1017298B (de) * | 1953-03-06 | 1957-10-10 | Siemens Ag | Verfahren zur Herstellung einer ferromagnetischen, elektrisch nichtleitenden Schicht auf Traegerunterlagen |
| DE1091025B (de) * | 1959-08-29 | 1960-10-13 | Werk Fuer Bauelemente Der Nach | Verfahren zur Herstellung von Ferritbauelementen |
| BE644605A (enrdf_load_stackoverflow) * | 1963-03-06 | 1964-07-01 | ||
| US3404026A (en) * | 1965-04-06 | 1968-10-01 | Army Usa | Method of forming magnetic ferrite films |
| DE1917644A1 (de) * | 1968-01-06 | 1970-09-10 | Stamicarbon | Verfahren zum Herstellen von dauermagnetisierbare Teilchen enthaltenden Platten,Baendern oder Formkoerpern zur magnetischen Speicherung von Informationen |
| GB1396124A (en) * | 1971-06-25 | 1975-06-04 | Kyoto Ceramic | Magnetic memory structures |
-
1977
- 1977-08-15 NL NL7708959A patent/NL7708959A/xx not_active Application Discontinuation
-
1978
- 1978-08-03 CA CA000308688A patent/CA1143258A/en not_active Expired
- 1978-08-10 FR FR7823577A patent/FR2400493A1/fr active Granted
- 1978-08-11 GB GB7833123A patent/GB2002338B/en not_active Expired
- 1978-08-11 AU AU38845/78A patent/AU521775B2/en not_active Expired
- 1978-08-11 DE DE19782835203 patent/DE2835203A1/de active Granted
- 1978-08-12 JP JP9781578A patent/JPS5435900A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2400493B1 (enrdf_load_stackoverflow) | 1983-02-25 |
| DE2835203A1 (de) | 1979-02-22 |
| NL7708959A (nl) | 1979-02-19 |
| GB2002338B (en) | 1982-04-15 |
| JPS5435900A (en) | 1979-03-16 |
| FR2400493A1 (fr) | 1979-03-16 |
| GB2002338A (en) | 1979-02-21 |
| AU521775B2 (en) | 1982-04-29 |
| DE2835203C2 (enrdf_load_stackoverflow) | 1988-03-10 |
| AU3884578A (en) | 1980-02-14 |
| JPS62848B2 (enrdf_load_stackoverflow) | 1987-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |