KR970067388A - Dielectric ceramics - Google Patents

Dielectric ceramics Download PDF

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Publication number
KR970067388A
KR970067388A KR1019960009564A KR19960009564A KR970067388A KR 970067388 A KR970067388 A KR 970067388A KR 1019960009564 A KR1019960009564 A KR 1019960009564A KR 19960009564 A KR19960009564 A KR 19960009564A KR 970067388 A KR970067388 A KR 970067388A
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South Korea
Prior art keywords
dielectric
present
ceramics
dielectric ceramics
value
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KR1019960009564A
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Korean (ko)
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KR100188709B1 (en
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이종훈
이형규
김준철
방규석
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이진주
생산기술연구원
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/12—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics
    • 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
    • C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
    • C04B35/49—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 zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Insulating Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

마이크로파 대역에서 높은 유전율과 높은 Q(1/유전손실)값을 갖는 유전체 세라믹스에 관하여 개시한다. 본 발명은 일반식 x(Pb(1-a)Aa)Oㆍy(Nb(1-b)Bb)Os/2ㆍz(Zr(1-c)Cc)O2로 표현되는 유전체 세라믹스를 제공한다. 여기서, x+y+z=100몰%, 50≤x≤60, 0z≤6이고, 0≤a≤0.7, 0≤b≤0.5, 0≤c≤0.5이며, A는 Ca 및 Sr중의 적어도 어느 하나, 및 이들중의 적어도 어느 하나와 Mn, Mg 및 Ba중에서 적어도 어느 하나와의 혼합물로 이루어진 군으로부터 선택되는 물질이고, B는 Ta이고, C는 Ce, Sn 및 Ti중에서 적어도 어느 하나이다. 특히 본 발명은 상기 Zr이 Ce로 치환될 수도 있다. 본 발명의 전체 세라믹스는 유전율 및 Q값은 마이크로파 대역에서 각각 적어도 100 및 1000의 값을 갖는다. 따라서, 본 발명의 유전체 세라믹스에 의하면 공진기의 소형화, 고품질화를 이룩할 수 있다.And dielectric ceramics having a high dielectric constant and a high Q (1 / dielectric loss) value in the microwave band. The present invention of the general formula x (Pb (1-a) Aa) O and y (Nb (1-b) Bb) O s / 2 and z (Zr (1-c) C c) O dielectric ceramic represented by 2 Lt; / RTI > Wherein x + y + z = 100 mol%, 50? X? 60, 0z? 6, 0? A? 0.7, 0? B? 0.5, 0? C? And a mixture of at least any one of them and at least one of Mn, Mg, and Ba, B is Ta, and C is at least one of Ce, Sn, and Ti. In particular, in the present invention, the Zr may be substituted with Ce. The dielectric constant and the Q value of the entire ceramics of the present invention have values of at least 100 and 1000, respectively, in the microwave band. Therefore, according to the dielectric ceramics of the present invention, it is possible to achieve downsizing and high quality of the resonator.

Description

유전체 세라믹스Dielectric ceramics

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 본 발명의 유전체 세라믹스의 조성을 나타낸 도면이다.FIG. 1 is a view showing the composition of the dielectric ceramics of the present invention.

Claims (3)

일반식 x(Pb(1-a)Aa)Oㆍy(Nb(1-b)Bb)O5/2ㆍz(Zr(1-c)Cc)O2로 표현되는 유전체 세라믹스; 여기서, x+y+z=100몰%, 50≤x≤60, 0z≤6이고, 0≤a≤0.7, 0≤b≤0.5이며, A는 Ca 및 Sr중의 적어도 어느 하나, 및 이들중의 적어도 어느 하나와 Mn, Mg 및 Ba중에서 적어도 어느 하나와의 혼합물로 이루어진 군으로부터 선택되는 물질이고, B는 Ta이고, C는 Ce, Sn 및 Ti중에서 적어도 어느 하나임.The dielectric ceramic represented by the general formula x (Pb (1-a) Aa) O and y (Nb (1-b) Bb) O 5/2 and z (Zr (1-c) C c) O 2; Wherein x + y + z = 100 mol%, 50? X? 60, 0z? 6, 0? A? 0.7, 0? B? 0.5, A is at least one of Ca and Sr, At least one selected from the group consisting of a mixture of at least one of Mn, Mg and Ba, B is Ta, and C is at least one of Ce, Sn and Ti. 제1항에 있어서, 상기 유전체 세라믹스의 유전율 및 Q값은 마이크로파 영역에서 각각 적어도 100 및 1000의 값인 것을 특징으로 하는 유전체 세라믹스.The dielectric ceramics of claim 1, wherein the dielectric constant and the Q value of the dielectric ceramics are at least 100 and 1000, respectively, in the microwave range. 일반식 x(Pb(1-a)Aa)Oㆍy(Nb(1-b)Bb)O5/2ㆍz(Ce(1-c)Cc)O2로 표현되는 유전체 세라믹스; 여기서, x+y+z=100몰%, 50≤x≤60, 0＜z≤6이고, 0≤a≤0.7, 0≤b≤0.5, 0≤c≤0.5, A는 Ca 및 Sr중의 적어도 어느 하나, 및 이들중의 적어도 어느 하나와 Mn, Mg 및 Ba중에서 적어도 어느 하나와의 혼합물로 이루어진 군으로부터 선택되는 물질이고, B는 Ta이고, C는 Zr, Sn 및 Ti중에서 적어도 어느 하나임.The dielectric ceramic represented by the general formula x (Pb (1-a) Aa) O and y (Nb (1-b) Bb) O 5/2 and z (Ce (1-c) Cc) O 2; Wherein A is at least one of Ca and Sr, x + y + z = 100 mol%, 50? X? 60, 0 <z? 6, 0? A? 0.7, 0? B? 0.5, 0? C? And a mixture of at least any one of them and at least one of Mn, Mg and Ba; B is Ta; and C is at least one of Zr, Sn and Ti. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960009564A 1996-03-30 1996-03-30 Dielectric ceramics KR100188709B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960009564A KR100188709B1 (en) 1996-03-30 1996-03-30 Dielectric ceramics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960009564A KR100188709B1 (en) 1996-03-30 1996-03-30 Dielectric ceramics

Publications (2)

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KR970067388A true KR970067388A (en) 1997-10-13
KR100188709B1 KR100188709B1 (en) 1999-06-01

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Publication number Priority date Publication date Assignee Title
KR101588630B1 (en) 2014-10-17 2016-01-27 (주)대한솔루션 Headlining having heat-shield for vehicle and the method thereof
KR101692861B1 (en) 2015-05-28 2017-01-06 (주)대한솔루션 Headlining having heat-shield for vehicle and the method thereof
KR20170026866A (en) 2015-08-31 2017-03-09 (주)대한솔루션 Method for manufacturing lightweight and high stiffness headlining of vehicle

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