DE1449692B2 - Magnetisches aufzeichnungsverfahren - Google Patents
Magnetisches aufzeichnungsverfahrenInfo
- Publication number
- DE1449692B2 DE1449692B2 DE1964A0045360 DEA0045360A DE1449692B2 DE 1449692 B2 DE1449692 B2 DE 1449692B2 DE 1964A0045360 DE1964A0045360 DE 1964A0045360 DE A0045360 A DEA0045360 A DE A0045360A DE 1449692 B2 DE1449692 B2 DE 1449692B2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- magnetic recording
- magnetizable
- tape
- recording method
- 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.)
- Withdrawn
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 47
- 238000000034 method Methods 0.000 title claims description 33
- 230000008569 process Effects 0.000 title description 13
- 239000000463 material Substances 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 11
- 229940090961 chromium dioxide Drugs 0.000 claims description 8
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 claims description 8
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- 230000005294 ferromagnetic effect Effects 0.000 claims 2
- 150000002739 metals Chemical class 0.000 claims 2
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 229910017052 cobalt Inorganic materials 0.000 claims 1
- 239000010941 cobalt Substances 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 1
- 235000013980 iron oxide Nutrition 0.000 claims 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 description 12
- 230000005415 magnetization Effects 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 230000005298 paramagnetic effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 210000002105 tongue Anatomy 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
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/16—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/16—Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
-
- 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
-
- 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
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70636—CrO2
-
- 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
- G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
- G11B5/865—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers by contact "printing"
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1964A0045360 DE1449692B2 (de) | 1964-02-29 | 1964-02-29 | Magnetisches aufzeichnungsverfahren |
| US432796A US3364496A (en) | 1964-02-29 | 1965-02-15 | Curie point magnetic recording process |
| CH222665A CH433796A (de) | 1964-02-29 | 1965-02-18 | Magnetisches Aufzeichnungsverfahren |
| GB7329/65A GB1095135A (en) | 1964-02-29 | 1965-02-19 | A magnetic recording process |
| BE660323D BE660323A (US20100012521A1-20100121-C00001.png) | 1964-02-29 | 1965-02-26 | |
| FR7257A FR1451260A (fr) | 1964-02-29 | 1965-02-26 | Procédé d'enregistrement magnétique |
| US39077773 USRE28290E (en) | 1964-02-29 | 1973-08-23 | Curie point magnetic recording process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1964A0045360 DE1449692B2 (de) | 1964-02-29 | 1964-02-29 | Magnetisches aufzeichnungsverfahren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1449692A1 DE1449692A1 (de) | 1969-12-18 |
| DE1449692B2 true DE1449692B2 (de) | 1971-04-01 |
Family
ID=6934681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1964A0045360 Withdrawn DE1449692B2 (de) | 1964-02-29 | 1964-02-29 | Magnetisches aufzeichnungsverfahren |
Country Status (6)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3541293A1 (de) * | 1985-11-22 | 1987-05-27 | Joachim Dr Greiner | Loeschverfahren fuer magnetische, bewegte, flaechige informationsspeicher |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB963102A (en) * | 1962-04-02 | 1964-07-08 | Hitachi Ltd | Improvements relating to the duplication of magnetic recordings |
| DE1473353A1 (de) * | 1964-12-08 | 1968-12-19 | Agfa Gevaert Ag | Magnetographieverfahren |
| US3566786A (en) * | 1965-01-29 | 1971-03-02 | Helmut Taufer | Image producing apparatus |
| US3496304A (en) * | 1966-12-05 | 1970-02-17 | Magnavox Co | Double transfer curie-point and magnetic bias tape copy system |
| US3541577A (en) * | 1967-06-28 | 1970-11-17 | Bell & Howell Co | Method of curie point recording |
| US3626114A (en) * | 1969-03-10 | 1971-12-07 | California Inst Of Techn | Thermomagnetic recording and magneto-optic playback system |
| US3632898A (en) * | 1969-06-16 | 1972-01-04 | Memorex Corp | Thermomagnetic copying of magnetic records with cooling of copy medium carrier |
| US3610721A (en) * | 1969-10-29 | 1971-10-05 | Du Pont | Magnetic holograms |
| JPS5125139B1 (US20100012521A1-20100121-C00001.png) * | 1970-11-06 | 1976-07-29 | ||
| JPS5125141B1 (US20100012521A1-20100121-C00001.png) * | 1970-11-13 | 1976-07-29 | ||
| US3824617A (en) * | 1971-04-16 | 1974-07-16 | Matsushita Electric Ind Co Ltd | Magnetic tape copying apparatus |
| US3777075A (en) * | 1971-09-17 | 1973-12-04 | Cons Video Systems | High speed thermal duplication of magnetic tape |
| US3725611A (en) * | 1971-09-30 | 1973-04-03 | P Smaller | Double coated storage medium for contact transfer recording |
| JPS5311372B2 (US20100012521A1-20100121-C00001.png) * | 1973-05-11 | 1978-04-21 | ||
| NL7307626A (US20100012521A1-20100121-C00001.png) * | 1973-06-01 | 1974-12-03 | ||
| CA1076251A (en) * | 1975-04-18 | 1980-04-22 | Mitsuaki Ono | Magnetic tape copying method and apparatus |
| FR2554626A1 (fr) * | 1983-11-08 | 1985-05-10 | Oreshkin Valery | Procede d'obtention d'une matrice pour le tirage d'un enregistrement magnetique, matrice obtenue par ledit procede, procede de tirage d'un enregistrement magnetique au moyen de cette matrice, et porteur d'enregistrement magnetique comportant l'enregistrement obtenu par ledit procede de tirage |
| AU660986B2 (en) * | 1991-07-19 | 1995-07-13 | Hightree Media Corporation | Tape duplicating system |
| US5507067A (en) | 1994-05-12 | 1996-04-16 | Newtronics Pty Ltd. | Electronic vacuum cleaner control system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2738383A (en) * | 1948-06-21 | 1956-03-13 | Minnesota Mining & Mfg | Method and apparatus for duplicating magnetic recordings and magnetic tape record members |
| US2915594A (en) * | 1954-06-01 | 1959-12-01 | Rca Corp | Magnetic recording system |
-
1964
- 1964-02-29 DE DE1964A0045360 patent/DE1449692B2/de not_active Withdrawn
-
1965
- 1965-02-15 US US432796A patent/US3364496A/en not_active Expired - Lifetime
- 1965-02-18 CH CH222665A patent/CH433796A/de unknown
- 1965-02-19 GB GB7329/65A patent/GB1095135A/en not_active Expired
- 1965-02-26 BE BE660323D patent/BE660323A/xx unknown
- 1965-02-26 FR FR7257A patent/FR1451260A/fr not_active Expired
-
1973
- 1973-08-23 US US39077773 patent/USRE28290E/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3541293A1 (de) * | 1985-11-22 | 1987-05-27 | Joachim Dr Greiner | Loeschverfahren fuer magnetische, bewegte, flaechige informationsspeicher |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1449692A1 (de) | 1969-12-18 |
| GB1095135A (en) | 1967-12-13 |
| CH433796A (de) | 1967-04-15 |
| US3364496A (en) | 1968-01-16 |
| FR1451260A (fr) | 1966-01-07 |
| BE660323A (US20100012521A1-20100121-C00001.png) | 1965-08-26 |
| USRE28290E (en) | 1974-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BHN | Withdrawal |