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KR950017841A - Low Temperature Sintered Ferrite Manufacturing Method - Google Patents

Low Temperature Sintered Ferrite Manufacturing Method Download PDF

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Publication number
KR950017841A
KR950017841A KR1019930030635A KR930030635A KR950017841A KR 950017841 A KR950017841 A KR 950017841A KR 1019930030635 A KR1019930030635 A KR 1019930030635A KR 930030635 A KR930030635 A KR 930030635A KR 950017841 A KR950017841 A KR 950017841A
Authority
KR
South Korea
Prior art keywords
low temperature
composition
oxides
sintered ferrite
temperature sintered
Prior art date
Application number
KR1019930030635A
Other languages
Korean (ko)
Other versions
KR960006238B1 (en
Inventor
김경용
김왕섭
이창호
장광호
Original Assignee
김은영
한국과학기술연구원
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 김은영, 한국과학기술연구원 filed Critical 김은영
Priority to KR1019930030635A priority Critical patent/KR960006238B1/en
Publication of KR950017841A publication Critical patent/KR950017841A/en
Application granted granted Critical
Publication of KR960006238B1 publication Critical patent/KR960006238B1/en

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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
    • 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

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  • 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)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

본 발명은 노이즈필터나 인닥터등의 재료로 사용되는 저온소결용 페라이트의 제조방법에 관한 것이다. 본 발명은 하소된 페라이트분말에 V2O5와 ZrO2등의 다른 산화물을 혼합하여 열처리한 액상형성조제를 첨가하여 소결함으로써 제조된다. 이 때 액상형성조제를 구성하는 V2O5와 ZrO2, ZnO, Y2O3, SrO, SiO2등의 산화물간의 분율은 상태도상 액상선의 온도가 750~850℃ 사이인 조성이 바람직하다. 본 발명의 페라이트조성은 저온소결이 가능하고 내부전극인 Ag와 반응하지 않으며 우수한 전기적 특성을 나타낸다.The present invention relates to a method for producing low temperature sintering ferrite used as a material such as a noise filter or an injector. The present invention is prepared by sintering a calcined ferrite powder by adding a liquid-forming aid obtained by mixing and heating other oxides such as V 2 O 5 and ZrO 2 . At this time, the composition of the liquid phase forming aid between V 2 O 5 and oxides such as ZrO 2 , ZnO, Y 2 O 3 , SrO, and SiO 2 is preferably a composition having a liquidus temperature between 750 ° C. and 850 ° C. The ferrite composition of the present invention is capable of low temperature sintering and does not react with Ag as an internal electrode and exhibits excellent electrical characteristics.

Description

저온소결 페라이트의 제조방법Low Temperature Sintered Ferrite Manufacturing Method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도 및 제2도는 페라이트 소결체의 전극부분에 대한 주사현미경 사진으로서, 제1도는 본 발명 실시예 시편에 대한 것이고,1 and 2 are scanning micrographs of the electrode portion of the ferrite sintered body, and FIG. 1 is for the specimen of the embodiment of the present invention.

제2도는 비교예 시편에 대한 것이다.2 is for comparative specimens.

Claims (3)

하소된 페라이트 분말에 V2O5와 다른 산화물을 혼합하여 열처리하여 안정한 상을 형성시킨 액상형성조제를 첨가하여 소결함을 특징으로 하는 저온소결 페라이트의 제조방법.A method for producing low-temperature sintered ferrite, characterized in that the calcined ferrite powder is mixed with V 2 O 5 and other oxides, followed by heat treatment to form a stable phase, followed by sintering. 제1항에 있어서, 액상형성조제의 V2O5와 다른 산화물의 분율은 상태도상 액상선온도가 750∼850℃ 사이인 조성인 것을 특징으로 하는 저온소결 페라이트의 제조방법.The method for producing low-temperature sintered ferrite according to claim 1, wherein the fraction of V 2 O 5 and other oxides in the liquid forming aid has a composition in which the liquidus temperature is between 750 and 850 ° C. 제2항에 있어서, 다른 산화물은 ZrO2, ZnO, Y2O3, SrO, SiO2, MgO, CuO, CaO, BaO 또는 Al2O3인것을 특징으로 하는 저온소결 페라이트의 제조방법.The method of claim 2, wherein the other oxide is ZrO 2 , ZnO, Y 2 O 3 , SrO, SiO 2 , MgO, CuO, CaO, BaO or Al 2 O 3 . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930030635A 1993-12-29 1993-12-29 Process for the preparation of ferrite KR960006238B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930030635A KR960006238B1 (en) 1993-12-29 1993-12-29 Process for the preparation of ferrite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930030635A KR960006238B1 (en) 1993-12-29 1993-12-29 Process for the preparation of ferrite

Publications (2)

Publication Number Publication Date
KR950017841A true KR950017841A (en) 1995-07-20
KR960006238B1 KR960006238B1 (en) 1996-05-11

Family

ID=19373635

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930030635A KR960006238B1 (en) 1993-12-29 1993-12-29 Process for the preparation of ferrite

Country Status (1)

Country Link
KR (1) KR960006238B1 (en)

Also Published As

Publication number Publication date
KR960006238B1 (en) 1996-05-11

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