KR960000821A - 고주파용 유전체 조성물 - Google Patents

고주파용 유전체 조성물

Info

Publication number
KR960000821A
KR960000821A KR1019940013615A KR19940013615A KR960000821A KR 960000821 A KR960000821 A KR 960000821A KR 1019940013615 A KR1019940013615 A KR 1019940013615A KR 19940013615 A KR19940013615 A KR 19940013615A KR 960000821 A KR960000821 A KR 960000821A
Authority
KR
South Korea
Prior art keywords
high frequency
dielectric composition
frequency dielectric
range
composition
Prior art date
Application number
KR1019940013615A
Other languages
English (en)
Other versions
KR0185447B1 (ko
Inventor
정형진
김현재
김경용
윤석진
윤상옥
데쯔오 나까무라
미찌루 이또
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 KR1019940013615A priority Critical patent/KR0185447B1/ko
Publication of KR960000821A publication Critical patent/KR960000821A/ko
Application granted granted Critical
Publication of KR0185447B1 publication Critical patent/KR0185447B1/ko

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Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/10—Dielectric resonators
    • 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
    • C04B2235/768—Perovskite structure ABO3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Insulating Materials (AREA)
  • Lock And Its Accessories (AREA)

Abstract

본 발명은 조성식 (1-z)(Sr1-yCay)ToO3-zLa(Zn1-x/2Mgx/2Ti1/2)O3로 표시되고, x의 범위가 0≤x≤1.0이고, y의 범위가 0≤y≤0.99이며, z의 범위가 0.4≤z≤0.7인 고주파용 유전체 조성물을 제공한다. 이 조성물은 유전율이 33.1 내지 60.2이고, Qxf0(GHz)가 25,060 내지 66,140이며, 공진 주파수의 온도 계수(TCF)의 범위가 -39.35 내지 83.60ppm/℃로서, 고주파용 유전체 세라믹스가 요구되는 통신 시스템에 적합하게 사용될 수 있다.

Description

고주파용 유전체 조성물
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (1)

  1. 하기 조성식으로 나타내어지는 고주파용 유전체 조성물.
    (1-z)(Sr1-yCay)ToO3-zLa(Zn1-x/2Mgx/2Ti1/2)O3
    식중, 0≤x≤1.0, 0.01≤y≤0.99, 0.4≤z≤0.7.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940013615A 1994-06-16 1994-06-16 자동차의 도난 방지장치 KR0185447B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940013615A KR0185447B1 (ko) 1994-06-16 1994-06-16 자동차의 도난 방지장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940013615A KR0185447B1 (ko) 1994-06-16 1994-06-16 자동차의 도난 방지장치

Publications (2)

Publication Number Publication Date
KR960000821A true KR960000821A (ko) 1996-01-25
KR0185447B1 KR0185447B1 (ko) 1999-05-01

Family

ID=19385430

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940013615A KR0185447B1 (ko) 1994-06-16 1994-06-16 자동차의 도난 방지장치

Country Status (1)

Country Link
KR (1) KR0185447B1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100552725B1 (ko) * 2002-10-04 2006-02-20 현대자동차주식회사 쉬프트 레버를 이용한 와이어 스티어링 장치용 차량 도난 방지 장치
KR100452218B1 (ko) * 2002-10-17 2004-10-08 현대자동차주식회사 와이어 스티어링 장치용 차량 도난 방지 장치

Also Published As

Publication number Publication date
KR0185447B1 (ko) 1999-05-01

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