WO2008126600A1 - 高周波用磁性体材料及び高周波用回路部品 - Google Patents

高周波用磁性体材料及び高周波用回路部品 Download PDF

Info

Publication number
WO2008126600A1
WO2008126600A1 PCT/JP2008/054497 JP2008054497W WO2008126600A1 WO 2008126600 A1 WO2008126600 A1 WO 2008126600A1 JP 2008054497 W JP2008054497 W JP 2008054497W WO 2008126600 A1 WO2008126600 A1 WO 2008126600A1
Authority
WO
WIPO (PCT)
Prior art keywords
frequency application
magnetic material
circuit component
frequency
application
Prior art date
Application number
PCT/JP2008/054497
Other languages
English (en)
French (fr)
Inventor
Yuko Nomiya
Original Assignee
Murata Manufacturing Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co., Ltd. filed Critical Murata Manufacturing Co., Ltd.
Publication of WO2008126600A1 publication Critical patent/WO2008126600A1/ja

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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • C01G49/0054—Mixed oxides or hydroxides containing one rare earth metal, yttrium or scandium
    • 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
    • C04B35/2641—Compositions containing one or more ferrites of the group comprising rare earth metals and one or more ferrites of the group comprising alkali metals, alkaline earth metals or lead
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3239—Vanadium oxides, vanadates or oxide forming salts thereof, e.g. magnesium vanadate
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3286—Gallium oxides, gallates, indium oxides, indates, thallium oxides, thallates or oxide forming salts thereof, e.g. zinc gallate
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3293—Tin oxides, stannates or oxide forming salts thereof, e.g. indium tin oxide [ITO]
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/76—Crystal structural characteristics, e.g. symmetry
    • C04B2235/762—Cubic symmetry, e.g. beta-SiC
    • C04B2235/764—Garnet structure A3B2(CO4)3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Structural Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)

Abstract

　飽和磁化が６５ｍＴ以下で強磁性共鳴半値幅ΔＨが小さく、飽和磁化温度係数の絶対値が小さい高周波用磁性体材料及び高周波用回路部品を提供する。 　一般式Ｙｚ－ｘＣａｘＦｅ８－ｚ－ｙ－ｖＭｙＶｖＯ１２で表されるガーネット型フェライトを主成分とする高周波用磁性体材料であって、上記ｘ、ｙ、ｖ及びｚは、１．８０≦ｘ≦２．５０、０．２６≦ｙ≦０．４５、３．００＜ｚ≦３．０９、０．７７≦ｖ＜１．００の関係を満足し、且つ、Ｍは、Ｓｎ、Ｚｒ及びＳｉから選択される少なくとも一種の４価の元素である。
PCT/JP2008/054497 2007-03-14 2008-03-12 高周波用磁性体材料及び高周波用回路部品 WO2008126600A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-065609 2007-03-14
JP2007065609 2007-03-14

Publications (1)

Publication Number Publication Date
WO2008126600A1 true WO2008126600A1 (ja) 2008-10-23

Family

ID=39863732

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054497 WO2008126600A1 (ja) 2007-03-14 2008-03-12 高周波用磁性体材料及び高周波用回路部品

Country Status (1)

Country Link
WO (1) WO2008126600A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011063483A (ja) * 2009-09-18 2011-03-31 Murata Mfg Co Ltd 高周波用磁性体材料、非可逆回路素子用部品および非可逆回路素子
CN112787060A (zh) * 2020-12-29 2021-05-11 深圳市华扬通信技术有限公司 一种超小型化微波旋磁环行器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915754B1 (ja) * 1970-04-03 1974-04-17
JP2004075503A (ja) * 2002-08-22 2004-03-11 Murata Mfg Co Ltd 高周波用磁性体磁器および高周波回路部品
JP2005183409A (ja) * 2003-12-15 2005-07-07 Murata Mfg Co Ltd 高周波用磁性体材料及び高周波用回路部品

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915754B1 (ja) * 1970-04-03 1974-04-17
JP2004075503A (ja) * 2002-08-22 2004-03-11 Murata Mfg Co Ltd 高周波用磁性体磁器および高周波回路部品
JP2005183409A (ja) * 2003-12-15 2005-07-07 Murata Mfg Co Ltd 高周波用磁性体材料及び高周波用回路部品

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011063483A (ja) * 2009-09-18 2011-03-31 Murata Mfg Co Ltd 高周波用磁性体材料、非可逆回路素子用部品および非可逆回路素子
CN112787060A (zh) * 2020-12-29 2021-05-11 深圳市华扬通信技术有限公司 一种超小型化微波旋磁环行器
CN112787060B (zh) * 2020-12-29 2022-01-11 深圳市华扬通信技术有限公司 一种超小型化微波旋磁环行器

Similar Documents

Publication Publication Date Title
EP1953123A4 (en) MAGNETIC MATERIAL ON OXID BASE, MANUFACTURING METHOD, SINTERED FERRITE MAGNET AND MANUFACTURING METHOD THEREFOR
Eltabey et al. Enhancement of the magnetic properties of Ni–Cu–Zn ferrites by the non-magnetic Al3+-ions substitution
TW200742229A (en) A method for fabricating a rotary, a bonded magnet, a magnetic roll and a ferrite sintered magnet
WO2010039012A3 (ko) 다강체 물질 및 그 제조 방법
WO2007051949A3 (fr) Transducteur electrodynamique, applications aux haut-parleurs et geophones
WO2008149785A1 (ja) 磁性酸化鉄粒子、磁性体、および電波吸収体
GB2461448A (en) Transducer
MX2009006098A (es) Polvo magnetico suave.
WO2006093804A3 (en) Coated substrate assembly
DE602006001723D1 (de) Magnetisches Ferritmaterial
BRPI0414278A (pt) ìmã de ferrita sinterizada
TW200721205A (en) Inductor and fabricating method thereof
EP2217951A4 (en) SMALL MAGNET AND RADIO FREQUENCY COIL FOR MAGNETIC RESONANCE RELAXOMETRY
WO2006119085A3 (en) Integrated pet-mri scanner
WO2007124203A3 (en) Methods and apparatus for a synthetic anti-ferromagnet structure with reduced temperature dependence
EP1879037B8 (en) Device and method for measuring a current flowing in an electrical conductor
EP2787514A3 (en) Amorphous alloy powder, dust core, magnetic element, and electronic device
Litsardakis et al. Effects of Gd substitution on the structural and magnetic properties of strontium hexaferrites
JP2005118559A5 (ja)
ATE531055T1 (de) Permanentmagnet-gleichstromdrosselspule
ATE477579T1 (de) Gleichstrominduktor
WO2007067704A3 (en) Linear voice coil actuator as a bi-directional electromagnetic spring
Haihua et al. Effects of Fe2+ content in raw materials on Mn–Zn ferrite magnetic properties
WO2008126600A1 (ja) 高周波用磁性体材料及び高周波用回路部品
WO2008017972A3 (en) A magnet system for biosensors

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08721913

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08721913

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP