DE69020726T2 - Oxid-magnetmaterial mit geringem verlust. - Google Patents
Oxid-magnetmaterial mit geringem verlust.Info
- Publication number
- DE69020726T2 DE69020726T2 DE69020726T DE69020726T DE69020726T2 DE 69020726 T2 DE69020726 T2 DE 69020726T2 DE 69020726 T DE69020726 T DE 69020726T DE 69020726 T DE69020726 T DE 69020726T DE 69020726 T2 DE69020726 T2 DE 69020726T2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic material
- low loss
- oxide magnetic
- oxide
- loss
- 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 - Lifetime
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
- C04B35/2633—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 barium, strontium or calcium
-
- 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
- C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Magnetic Ceramics (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33935889 | 1989-12-26 | ||
JP34127789 | 1989-12-28 | ||
JP2024364A JP2551491B2 (ja) | 1989-02-04 | 1990-02-05 | 低損失酸化物磁性材料 |
PCT/JP1990/001017 WO1991010241A1 (en) | 1989-12-26 | 1990-08-09 | Low-loss oxide magnetic material |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69020726D1 DE69020726D1 (de) | 1995-08-10 |
DE69020726T2 true DE69020726T2 (de) | 1996-01-04 |
Family
ID=27284622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69020726T Expired - Lifetime DE69020726T2 (de) | 1989-12-26 | 1990-08-09 | Oxid-magnetmaterial mit geringem verlust. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0460215B1 (de) |
DE (1) | DE69020726T2 (de) |
WO (1) | WO1991010241A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0551907B1 (de) * | 1992-01-14 | 1997-04-09 | Matsushita Electric Industrial Co., Ltd. | Oxidisches magnetisches Material |
DE19722307B4 (de) * | 1997-05-28 | 2005-04-07 | Kaschke Kg (Gmbh & Co.) | Mangan-Zink-Ferrit und Verfahren zu seiner Herstellung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4246128A (en) * | 1979-08-08 | 1981-01-20 | Bell Telephone Laboratories, Incorporated | Method of making MnZn ferrites |
JPS6049150B2 (ja) * | 1981-08-27 | 1985-10-31 | 住友特殊金属株式会社 | 低磁気損失Mn−Znフェライトの製造方法 |
JPS61252606A (ja) * | 1985-05-01 | 1986-11-10 | Tohoku Metal Ind Ltd | 低損失酸化物磁性材料 |
JPH084042B2 (ja) * | 1986-09-02 | 1996-01-17 | ティーディーケイ株式会社 | 電源用超低損失フエライト |
JPS63151620A (ja) * | 1986-12-13 | 1988-06-24 | Tokin Corp | 低損失酸化物磁性材料 |
JPH01259509A (ja) * | 1988-04-11 | 1989-10-17 | Tokin Corp | 低損失酸化物磁性材料 |
JP2727579B2 (ja) * | 1988-08-19 | 1998-03-11 | ソニー株式会社 | 低損失フェライト |
-
1990
- 1990-08-09 EP EP90912078A patent/EP0460215B1/de not_active Expired - Lifetime
- 1990-08-09 WO PCT/JP1990/001017 patent/WO1991010241A1/ja active IP Right Grant
- 1990-08-09 DE DE69020726T patent/DE69020726T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1991010241A1 (en) | 1991-07-11 |
EP0460215A4 (en) | 1993-10-20 |
DE69020726D1 (de) | 1995-08-10 |
EP0460215A1 (de) | 1991-12-11 |
EP0460215B1 (de) | 1995-07-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: NEC TOKIN CORP., SENDAI, MIYAGI, JP |