FR2291594A1 - Procede pour realiser des noyaux en ferrites presentant des proprietes magnetiques douces pour bobinages a haute frequence et noyaux realises suivant ce procede - Google Patents
Procede pour realiser des noyaux en ferrites presentant des proprietes magnetiques douces pour bobinages a haute frequence et noyaux realises suivant ce procedeInfo
- Publication number
- FR2291594A1 FR2291594A1 FR7406090A FR7406090A FR2291594A1 FR 2291594 A1 FR2291594 A1 FR 2291594A1 FR 7406090 A FR7406090 A FR 7406090A FR 7406090 A FR7406090 A FR 7406090A FR 2291594 A1 FR2291594 A1 FR 2291594A1
- Authority
- FR
- France
- Prior art keywords
- pref
- soft magnetic
- magnetic cores
- ferrites
- lithium
- 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.)
- Granted
Links
Classifications
-
- 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
- C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
- C04B35/2616—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing lithium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/08—Cores, Yokes, or armatures made from powder
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7406090A FR2291594A1 (fr) | 1974-02-22 | 1974-02-22 | Procede pour realiser des noyaux en ferrites presentant des proprietes magnetiques douces pour bobinages a haute frequence et noyaux realises suivant ce procede |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7406090A FR2291594A1 (fr) | 1974-02-22 | 1974-02-22 | Procede pour realiser des noyaux en ferrites presentant des proprietes magnetiques douces pour bobinages a haute frequence et noyaux realises suivant ce procede |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2291594A1 true FR2291594A1 (fr) | 1976-06-11 |
FR2291594B1 FR2291594B1 (fr) | 1978-06-16 |
Family
ID=9135324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7406090A Granted FR2291594A1 (fr) | 1974-02-22 | 1974-02-22 | Procede pour realiser des noyaux en ferrites presentant des proprietes magnetiques douces pour bobinages a haute frequence et noyaux realises suivant ce procede |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2291594A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2487110A1 (fr) * | 1980-07-16 | 1982-01-22 | Rca Corp | Source d'alimentation en courant regule a noyau saturable |
EP0105375A1 (fr) * | 1982-03-02 | 1984-04-18 | Fuji Electrochemical Co.Ltd. | Materiau magnetique contenant de l'oxyde pouvant etre fritte a de faibles temperatures |
EP0139324A1 (fr) * | 1983-09-12 | 1985-05-02 | Koninklijke Philips Electronics N.V. | Noyau magnétique en ferrite de Li-Zn-Mn |
EP0140409A1 (fr) * | 1983-09-12 | 1985-05-08 | Koninklijke Philips Electronics N.V. | Noyau magnétique en ferrite de lithium-zinc-manganèse |
EP0176115A1 (fr) * | 1984-08-27 | 1986-04-02 | Koninklijke Philips Electronics N.V. | Noyau magnétique à base de ferrite de lithium-zinc-manganèse |
-
1974
- 1974-02-22 FR FR7406090A patent/FR2291594A1/fr active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2487110A1 (fr) * | 1980-07-16 | 1982-01-22 | Rca Corp | Source d'alimentation en courant regule a noyau saturable |
EP0105375A1 (fr) * | 1982-03-02 | 1984-04-18 | Fuji Electrochemical Co.Ltd. | Materiau magnetique contenant de l'oxyde pouvant etre fritte a de faibles temperatures |
EP0105375A4 (fr) * | 1982-03-02 | 1985-12-30 | Fuji Electrochemical Co Ltd | Materiau magnetique contenant de l'oxyde pouvant etre fritte a de faibles temperatures. |
EP0139324A1 (fr) * | 1983-09-12 | 1985-05-02 | Koninklijke Philips Electronics N.V. | Noyau magnétique en ferrite de Li-Zn-Mn |
EP0140409A1 (fr) * | 1983-09-12 | 1985-05-08 | Koninklijke Philips Electronics N.V. | Noyau magnétique en ferrite de lithium-zinc-manganèse |
EP0176115A1 (fr) * | 1984-08-27 | 1986-04-02 | Koninklijke Philips Electronics N.V. | Noyau magnétique à base de ferrite de lithium-zinc-manganèse |
Also Published As
Publication number | Publication date |
---|---|
FR2291594B1 (fr) | 1978-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |