KR950029232A - 마이크로파 유전체 세라믹 조성물 및 그 제조방법 - Google Patents

마이크로파 유전체 세라믹 조성물 및 그 제조방법 Download PDF

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KR950029232A
KR950029232A KR1019940008359A KR19940008359A KR950029232A KR 950029232 A KR950029232 A KR 950029232A KR 1019940008359 A KR1019940008359 A KR 1019940008359A KR 19940008359 A KR19940008359 A KR 19940008359A KR 950029232 A KR950029232 A KR 950029232A
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mol
ceramic composition
dielectric ceramic
microwave dielectric
manufacturing
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KR1019940008359A
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KR960012728B1 (ko
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김윤호
조남희
이병찬
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김은영
한국과학기술연구원
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Abstract

본 발명은 티탄산 마그네슘(MgTiO3)을 주성분으로 하여 MgO의 첨가량을 조절함으로써 마이크로파 주파수 영역에서 낮은 손실값을 갖는 저유전손실 마이크로파 유전체 세라믹 조성물 및 그 제조방법에 관한 것이다. 본 발명의 세라믹 유전체는 MgTiO31몰(mole)에 MgO 3∼30몰%와 CaO 0.01∼5몰%를 첨가하고 1400℃이상의 온도에서 소결함으로써 제조된다. 본 발명의 마이크로파 유전체 세라믹 조성물은 종래의 유전체 조성에 비해 향상된 무부하 Q값을 나타낸다.

Description

마이크로파 유전체 세라믹 조성물 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
첨부된 도면은 MgTiO3에 첨가되는 과잉의 MgO양에 따른 마이크로파 유전체 세라믹스의 Q값 변화거동을 보인 그래프이다.

Claims (3)

  1. MgTiO31몰(mole)에 MgO 3∼30몰% 첨가하여 조성됨을 특징으로 하는 마이크로파 유전체 세라믹 조성물.
  2. 제1항에 있어서, 공진주파수의 온도계수 향상을 위해 0.01∼ 5몰%의 CaO가 부가적으로첨가됨을 특징으로 하는 마이크로파 유전체 세라믹 조성물.
  3. MgTiO31몰(mole)에 MgO 3∼30몰%와 CaO 0.01∼ 5몰%를 첨가하여 습식으로 혼합 및 분쇄한 후, 1200℃의 대기중에서 하소하고 다시 분쇄하여 성형한 다음 1400℃이상의 온도에서 소결함을 특징으로 하는 마이크로파 유전체 세라믹 조성물의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019940008359A 1994-04-20 1994-04-20 마이크로파 유전체 세라믹 조성물 및 그 제조방법 KR960012728B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940008359A KR960012728B1 (ko) 1994-04-20 1994-04-20 마이크로파 유전체 세라믹 조성물 및 그 제조방법

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Application Number Priority Date Filing Date Title
KR1019940008359A KR960012728B1 (ko) 1994-04-20 1994-04-20 마이크로파 유전체 세라믹 조성물 및 그 제조방법

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KR950029232A true KR950029232A (ko) 1995-11-22
KR960012728B1 KR960012728B1 (ko) 1996-09-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100289045B1 (ko) * 1998-09-11 2001-05-02 이계철 마이크로파용 mgtio₃-catio₃계 유전체 세라믹 조성물 및 이를 이용한 유전체 세라믹 제조방법
KR20030002412A (ko) * 2001-06-29 2003-01-09 홍국선 위상변환기용 유전체 세라믹 조성물

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100289045B1 (ko) * 1998-09-11 2001-05-02 이계철 마이크로파용 mgtio₃-catio₃계 유전체 세라믹 조성물 및 이를 이용한 유전체 세라믹 제조방법
KR20030002412A (ko) * 2001-06-29 2003-01-09 홍국선 위상변환기용 유전체 세라믹 조성물

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