GB1384897A - Information storage device - Google Patents
Information storage deviceInfo
- Publication number
- GB1384897A GB1384897A GB412172A GB412172A GB1384897A GB 1384897 A GB1384897 A GB 1384897A GB 412172 A GB412172 A GB 412172A GB 412172 A GB412172 A GB 412172A GB 1384897 A GB1384897 A GB 1384897A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ferrites
- storage device
- information storage
- yttrium
- magnetizable material
- 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
- 229910000859 α-Fe Inorganic materials 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 3
- 150000002500 ions Chemical class 0.000 abstract 2
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 2
- 229910052727 yttrium Inorganic materials 0.000 abstract 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 abstract 2
- 229910052771 Terbium Inorganic materials 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 230000005670 electromagnetic radiation Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 230000027756 respiratory electron transport chain Effects 0.000 abstract 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
- G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
- G11C19/0808—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2675—Other ferrites containing rare earth metals, e.g. rare earth ferrite garnets
-
- 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
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
- G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements
-
- 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
- H01F10/22—Orthoferrites, e.g. RFeO3 (R= rare earth element) with orthorhombic structure
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Paints Or Removers (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7101328A NL7101328A (enExample) | 1971-02-02 | 1971-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1384897A true GB1384897A (en) | 1975-02-26 |
Family
ID=19812383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB412172A Expired GB1384897A (en) | 1971-02-02 | 1972-01-28 | Information storage device |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA966572A (enExample) |
| DE (1) | DE2202333A1 (enExample) |
| FR (1) | FR2125020A5 (enExample) |
| GB (1) | GB1384897A (enExample) |
| NL (1) | NL7101328A (enExample) |
-
1971
- 1971-02-02 NL NL7101328A patent/NL7101328A/xx unknown
-
1972
- 1972-01-19 DE DE19722202333 patent/DE2202333A1/de active Pending
- 1972-01-28 GB GB412172A patent/GB1384897A/en not_active Expired
- 1972-01-31 CA CA133,485A patent/CA966572A/en not_active Expired
- 1972-02-02 FR FR7203427A patent/FR2125020A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7101328A (enExample) | 1972-08-04 |
| CA966572A (en) | 1975-04-22 |
| FR2125020A5 (enExample) | 1972-09-22 |
| DE2202333A1 (de) | 1972-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |