EP0473782A4 - Magnetic core - Google Patents
Magnetic coreInfo
- Publication number
- EP0473782A4 EP0473782A4 EP19900904934 EP90904934A EP0473782A4 EP 0473782 A4 EP0473782 A4 EP 0473782A4 EP 19900904934 EP19900904934 EP 19900904934 EP 90904934 A EP90904934 A EP 90904934A EP 0473782 A4 EP0473782 A4 EP 0473782A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- magnetic core
- squareness ratio
- sheets
- thin alloy
- characteristic
- 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
-
- 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
- H01F1/14—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 metals or alloys
- H01F1/16—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 metals or alloys in the form of sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- 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
- H01F1/14—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 metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
-
- 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
- H01F1/14—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 metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15316—Amorphous metallic alloys, e.g. glassy metals based on Co
-
- 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
- H01F1/14—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 metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15341—Preparation processes therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/04—Cores, Yokes, or armatures made from strips or ribbons
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Soft Magnetic Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Continuous Casting (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1990/000407 WO1991015020A1 (en) | 1990-03-27 | 1990-03-27 | Magnetic core |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0473782A1 EP0473782A1 (en) | 1992-03-11 |
EP0473782A4 true EP0473782A4 (en) | 1992-11-04 |
EP0473782B1 EP0473782B1 (en) | 1997-08-27 |
Family
ID=13986446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90904934A Expired - Lifetime EP0473782B1 (en) | 1990-03-27 | 1990-03-27 | Magnetic core |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0473782B1 (en) |
KR (1) | KR0134508B1 (en) |
DE (1) | DE69031338T2 (en) |
WO (1) | WO1991015020A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU3902999A (en) | 1998-05-13 | 1999-11-29 | Allied-Signal Inc. | High stack factor amorphous metal ribbon and transformer cores |
EP1045402B1 (en) | 1999-04-15 | 2011-08-31 | Hitachi Metals, Ltd. | Soft magnetic alloy strip, manufacturing method and use thereof |
GB2374084A (en) * | 2001-04-03 | 2002-10-09 | Fourwinds Group Inc | Alloys having bistable magnetic behaviour |
EP3157021B1 (en) * | 2014-06-10 | 2020-03-25 | Hitachi Metals, Ltd. | Method for producing fe-based nanocrystalline alloy core |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3705893A1 (en) * | 1986-02-24 | 1987-08-27 | Toshiba Kawasaki Kk | METHOD FOR PRODUCING MAGNETIC CORES WITH HIGH PERMEABILITY |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60121706A (en) * | 1983-11-29 | 1985-06-29 | Hitachi Metals Ltd | Winding magnetic core |
JPS6124208A (en) * | 1984-07-12 | 1986-02-01 | Nippon Steel Corp | Amorphous magnetic material having excellent magnetic characteristics |
JPS62179704A (en) * | 1986-02-04 | 1987-08-06 | Hitachi Metals Ltd | Fe-based amorphous core excellent in controlling magnetization characteristics |
JP2573606B2 (en) * | 1987-06-02 | 1997-01-22 | 日立金属 株式会社 | Magnetic core and manufacturing method thereof |
JP2693453B2 (en) * | 1987-09-28 | 1997-12-24 | 株式会社東芝 | Winding core |
JPH01247556A (en) * | 1988-03-30 | 1989-10-03 | Hitachi Metals Ltd | Fe-base magnetic alloy excellent in iso-permeability characteristic |
JPS64249A (en) * | 1988-06-03 | 1989-01-05 | Toshiba Corp | Extra thin amorphous alloy combining high magnetic permeability with low iron loss |
-
1990
- 1990-03-27 EP EP90904934A patent/EP0473782B1/en not_active Expired - Lifetime
- 1990-03-27 WO PCT/JP1990/000407 patent/WO1991015020A1/en active IP Right Grant
- 1990-03-27 KR KR1019910701674A patent/KR0134508B1/en not_active IP Right Cessation
- 1990-03-27 DE DE69031338T patent/DE69031338T2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3705893A1 (en) * | 1986-02-24 | 1987-08-27 | Toshiba Kawasaki Kk | METHOD FOR PRODUCING MAGNETIC CORES WITH HIGH PERMEABILITY |
Non-Patent Citations (5)
Title |
---|
JAPANESE JOURNAL OF APPLIED PHYSICS, vol. 19, no. 9, September 1980, pages 1781-1787, Tokyo , JP; M. MATSUURA et al.: "Effects of ambient gases on surface profile and related properties of amorphous alloy ribbons fabricated by melt-spinning" * |
MATERIALS LETTERS, vol. 7, nos. 7-8, December 1988, pages 263-267, Amsterdam, NL; D.X. PANG et al.: "Influence of quenching rate on the curie temperature, resistivity, internal friction and structure of Fe-based amorphous alloys" * |
PATENT ABSTRACTS OF JAPAN, vol. 10, no. 175 (E-413)[2231], 20th June 1986; & JP-A-61 24 208 (SHIN NIPPON SEITETSU K.K.) 01-02-1986 * |
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 277 (E-355)[2000], 6th November 1985; & JP-A-60 121 706 (HITACHI KINZOKU K.K.) 29-06-1985 * |
See also references of WO9115020A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1991015020A1 (en) | 1991-10-03 |
KR0134508B1 (en) | 1998-04-27 |
EP0473782B1 (en) | 1997-08-27 |
DE69031338D1 (en) | 1997-10-02 |
EP0473782A1 (en) | 1992-03-11 |
KR920702001A (en) | 1992-08-12 |
DE69031338T2 (en) | 1998-04-02 |
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