IT945225B - Uso di mnalge in dispositivi di accumulo magnetico - Google Patents
Uso di mnalge in dispositivi di accumulo magneticoInfo
- Publication number
- IT945225B IT945225B IT54458/71A IT5445871A IT945225B IT 945225 B IT945225 B IT 945225B IT 54458/71 A IT54458/71 A IT 54458/71A IT 5445871 A IT5445871 A IT 5445871A IT 945225 B IT945225 B IT 945225B
- Authority
- IT
- Italy
- Prior art keywords
- mnalge
- storage devices
- magnetic storage
- magnetic
- devices
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
-
- 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
- H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9570770A | 1970-12-07 | 1970-12-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT945225B true IT945225B (it) | 1973-05-10 |
Family
ID=22253248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT54458/71A IT945225B (it) | 1970-12-07 | 1971-12-01 | Uso di mnalge in dispositivi di accumulo magnetico |
Country Status (9)
Country | Link |
---|---|
US (1) | US3676867A (it) |
JP (1) | JPS5515798B1 (it) |
BE (1) | BE776048A (it) |
CA (1) | CA922179A (it) |
DE (1) | DE2159098A1 (it) |
FR (1) | FR2116567B1 (it) |
GB (1) | GB1366146A (it) |
IT (1) | IT945225B (it) |
NL (1) | NL7116584A (it) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3850706A (en) * | 1972-09-15 | 1974-11-26 | Ibm | Mn{11 {118 {11 M{11 {11 Ga Ge FERROMAGNETIC MATERIALS WHERE M COMPRISES TRANSITION METALS |
US3770395A (en) * | 1972-09-15 | 1973-11-06 | Ibm | Ferromagnetic material |
US3786452A (en) * | 1972-09-28 | 1974-01-15 | Bell Telephone Labor Inc | Single wall domain generator |
US3850690A (en) * | 1973-02-23 | 1974-11-26 | Ibm | METHOD OF MAKING MnGaGe FILMS |
US4024299A (en) * | 1973-10-15 | 1977-05-17 | General Electric Company | Process for preparing magnetic member |
US4202022A (en) * | 1975-10-20 | 1980-05-06 | Kokusai Denshin Denwa Kabushiki Kaisha | Magnetic transfer record film and apparatus for magneto-optically reading magnetic record patterns using the same |
US4126494A (en) * | 1975-10-20 | 1978-11-21 | Kokusai Denshin Denwa Kabushiki Kaisha | Magnetic transfer record film |
JPS5459915A (en) * | 1977-10-20 | 1979-05-15 | Sony Corp | Method and apparatus for reading of magnetic recording signal |
JPS5616917A (en) * | 1979-07-17 | 1981-02-18 | Olympus Optical Co Ltd | Thermal and magnetic recorder |
US4412264A (en) * | 1979-10-22 | 1983-10-25 | Kokusai Denshin Denwa Co., Ltd. | Magneto-optic recording medium |
US4467383A (en) * | 1980-02-23 | 1984-08-21 | Sharp Kabushiki Kaisha | Magnetooptic memory medium |
US4312684A (en) * | 1980-04-07 | 1982-01-26 | General Motors Corporation | Selective magnetization of manganese-aluminum alloys |
US4347086A (en) * | 1980-04-07 | 1982-08-31 | General Motors Corporation | Selective magnetization of rare-earth transition metal alloys |
JPS57201004A (en) * | 1981-06-03 | 1982-12-09 | Tdk Corp | Magnetic recording medium |
US4608142A (en) * | 1983-11-17 | 1986-08-26 | Nippon Sheet Glass Co., Ltd. | Method of manufacturing magneto-optic recording film |
US4872078A (en) * | 1986-04-24 | 1989-10-03 | International Business Machines Corporation | Method and apparatus for encoding and direct overwriting of magneto-optic data |
JPH03242983A (ja) * | 1990-02-06 | 1991-10-29 | Internatl Business Mach Corp <Ibm> | 磁気構造体の製造方法 |
DE19812255C2 (de) * | 1997-04-25 | 2001-10-04 | Hans Schuller | Verfahren zum Erstellen einer Wand |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3065071A (en) * | 1961-03-29 | 1962-11-20 | Bell Telephone Labor Inc | Ferromagnetic material |
-
1970
- 1970-12-07 US US95707A patent/US3676867A/en not_active Expired - Lifetime
-
1971
- 1971-07-14 CA CA118203A patent/CA922179A/en not_active Expired
- 1971-11-29 DE DE19712159098 patent/DE2159098A1/de active Pending
- 1971-11-30 BE BE776048A patent/BE776048A/xx unknown
- 1971-12-01 IT IT54458/71A patent/IT945225B/it active
- 1971-12-02 NL NL7116584A patent/NL7116584A/xx unknown
- 1971-12-06 FR FR7143748A patent/FR2116567B1/fr not_active Expired
- 1971-12-07 GB GB5677571A patent/GB1366146A/en not_active Expired
- 1971-12-07 JP JP9836771A patent/JPS5515798B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA922179A (en) | 1973-03-06 |
NL7116584A (it) | 1972-06-09 |
BE776048A (fr) | 1972-03-16 |
JPS5515798B1 (it) | 1980-04-25 |
FR2116567B1 (it) | 1974-05-31 |
GB1366146A (en) | 1974-09-11 |
FR2116567A1 (it) | 1972-07-13 |
US3676867A (en) | 1972-07-11 |
DE2159098A1 (de) | 1972-06-08 |
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