KR970027011A - Dielectric ceramics - Google Patents

Dielectric ceramics Download PDF

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Publication number
KR970027011A
KR970027011A KR1019950045810A KR19950045810A KR970027011A KR 970027011 A KR970027011 A KR 970027011A KR 1019950045810 A KR1019950045810 A KR 1019950045810A KR 19950045810 A KR19950045810 A KR 19950045810A KR 970027011 A KR970027011 A KR 970027011A
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KR
South Korea
Prior art keywords
dielectric
dielectric ceramics
ceramics
value
temperature stability
Prior art date
Application number
KR1019950045810A
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Korean (ko)
Other versions
KR0146001B1 (en
Inventor
이형규
김경배
윤종광
이종훈
Original Assignee
이진주
생산기술연구원
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Publication date
Application filed by 이진주, 생산기술연구원 filed Critical 이진주
Priority to KR1019950045810A priority Critical patent/KR0146001B1/en
Publication of KR970027011A publication Critical patent/KR970027011A/en
Application granted granted Critical
Publication of KR0146001B1 publication Critical patent/KR0146001B1/en

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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
    • C04B35/46—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 titanium oxides or titanates
    • C04B35/462—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 titanium oxides or titanates based on titanates
    • C04B35/465—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates

Abstract

고주파대역에서 높은 유전율과 높은 Q(1/유전손실)값 및 높은 온도안정성을 갖는 유전체 세라믹스에 관하여 개시한다. 본 발명은 일반식 x(SrTiO3)-y(CaTiO3)-z(Li1/2Ndr2)Tio3) (여기에서 0.02≤x≤0.1, 0.15≤y≤0.2 및 x+y+z=1의 범위)로 표현되는 유전체 세라믹스를 제공한다. 상기 유전체 세라믹스는 유전율 120이상, Qf(f는 주파수)값 600-2000, 온도안정성(τf) -20~32이다. 본 발명의 유전체 세라믹스에 의하면 공진기의 소형화, 고품질화를 이룩할 수 있다.Disclosed are dielectric ceramics having high dielectric constant, high Q (1 / dielectric loss) value and high temperature stability in high frequency band. The present invention provides the general formula x (SrTiO 3 ) -y (CaTiO 3 ) -z (Li 1/2 Ndr 2 ) Tio 3 ), where 0.02 ≦ x ≦ 0.1, 0.15 ≦ y ≦ 0.2 and x + y + z = Dielectric ceramics). The dielectric ceramics have a dielectric constant of 120 or more, a Qf (f is frequency) value of 600-2000, and temperature stability (τ f ) of -20 to 32. According to the dielectric ceramic of the present invention, the resonator can be miniaturized and high in quality.

Description

유전체 세라믹스Dielectric ceramics

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (2)

일반식 x(SrTiO3)-y(CaTiO3)-z(Li1/2Ndr2)TiO3) (여기에서 0.02≤x≤0.1, 0.15≤y≤0.2 및 x+y+z=1의 범위)로 표현되는 것을 특징으로 하는 유전체 세라믹스.Formula x (SrTiO 3 ) -y (CaTiO 3 ) -z (Li 1/2 Ndr 2 ) TiO 3 ), where 0.02 ≦ x ≦ 0.1, 0.15 ≦ y ≦ 0.2 and x + y + z = 1 Dielectric ceramics, characterized in that). 제1항에 있어서, 상기 유전체 세라믹스는 유전율 120이상, Qf(f는 주파수)값 600-2000, 온도안정성(τf) -20~32을 가지는 것을 특징으로 하는 유전체 세라믹스.The dielectric ceramic according to claim 1, wherein the dielectric ceramic has a dielectric constant of 120 or more, a Qf (f is frequency) value of 600-2000, and temperature stability (τ f ) -20 to 32. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950045810A 1995-11-30 1995-11-30 Dielectric ceramics KR0146001B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950045810A KR0146001B1 (en) 1995-11-30 1995-11-30 Dielectric ceramics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950045810A KR0146001B1 (en) 1995-11-30 1995-11-30 Dielectric ceramics

Publications (2)

Publication Number Publication Date
KR970027011A true KR970027011A (en) 1997-06-24
KR0146001B1 KR0146001B1 (en) 1998-08-17

Family

ID=19437184

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950045810A KR0146001B1 (en) 1995-11-30 1995-11-30 Dielectric ceramics

Country Status (1)

Country Link
KR (1) KR0146001B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101133808B1 (en) * 2010-04-14 2012-04-05 주식회사 케이원전자 Dielectric ceramic composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101133808B1 (en) * 2010-04-14 2012-04-05 주식회사 케이원전자 Dielectric ceramic composition

Also Published As

Publication number Publication date
KR0146001B1 (en) 1998-08-17

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