BE720545A - - Google Patents
Info
- Publication number
- BE720545A BE720545A BE720545DA BE720545A BE 720545 A BE720545 A BE 720545A BE 720545D A BE720545D A BE 720545DA BE 720545 A BE720545 A BE 720545A
- Authority
- BE
- Belgium
Links
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
- H01F1/34—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 non-metallic substances, e.g. ferrites
- H01F1/342—Oxides
- H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
- H01F1/346—[(TO4) 3] with T= Si, Al, Fe, Ga
-
- 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 or to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/16—Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Silicon Compounds (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4119067 | 1967-09-08 | ||
| GB1326268 | 1968-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE720545A true BE720545A (de) | 1969-03-06 |
Family
ID=26249665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE720545D BE720545A (de) | 1967-09-08 | 1968-09-06 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT311068B (de) |
| BE (1) | BE720545A (de) |
| CH (1) | CH527484A (de) |
| ES (1) | ES357906A1 (de) |
| FR (1) | FR1579788A (de) |
| NL (1) | NL160956C (de) |
| SE (1) | SE347734B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9820663D0 (en) * | 1998-09-23 | 1998-11-18 | Spectrum Tech Ltd | Magnetic materials |
-
1968
- 1968-09-04 NL NL6812542A patent/NL160956C/xx active
- 1968-09-05 CH CH1334268A patent/CH527484A/de not_active IP Right Cessation
- 1968-09-05 SE SE1198968A patent/SE347734B/xx unknown
- 1968-09-05 AT AT861968A patent/AT311068B/de not_active IP Right Cessation
- 1968-09-06 ES ES357906A patent/ES357906A1/es not_active Expired
- 1968-09-06 BE BE720545D patent/BE720545A/xx unknown
- 1968-09-06 FR FR1579788D patent/FR1579788A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH527484A (de) | 1972-08-31 |
| DE1796116A1 (de) | 1972-05-25 |
| FR1579788A (de) | 1969-08-29 |
| AT311068B (de) | 1973-10-25 |
| NL6812542A (de) | 1969-03-11 |
| DE1796116B2 (de) | 1976-09-09 |
| NL160956C (nl) | 1979-12-17 |
| SE347734B (de) | 1972-08-14 |
| ES357906A1 (es) | 1970-03-01 |