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公开(公告)号：KR1019960012729B1
公开(公告)日：1996-09-24
申请号：KR1019940015403
申请日：1994-06-30
Applicant: 한국과학기술연구원
IPC: C04B35/46
Abstract: The composition is represented by; (1-y)(Sr1-xCax)TiO3-yNd(Mg1/2Ti1/2)O3 where 0.01= x= 1.0, 0.3= y= 0.6. This invention provides a small dielectric loss and good temperature coefficient of resonance frequencies.
Abstract translation: 组成由 （1-y）（Sr1-xCax）TiO3-yNd（Mg1 / 2Ti1 / 2）O3，其中0.01 = x = 1.0,0.3 = y = 0.6。 本发明提供了小的介电损耗和良好的谐振频率温度系数。
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公开(公告)号：KR1019970001059B1
公开(公告)日：1997-01-25
申请号：KR1019960052596
申请日：1996-11-07
Applicant: 한국과학기술연구원
IPC: C04B35/465
Abstract: Dielectric ceramic composition for high-frequency wave is described which has high quality coefficient(Q value) and dielectric constant, and good temperature coefficient of resonance frequency. The dielectric ceramic composition may be represented as following formula: (1-y)CaTiO3-yLa(Zn1-x/2Mgx/2Ti1/2)O3, where, x is from 0 to1.0 and y is from 0.3 to 0.9. The dielectric composition according tothe invention has dielectric constant of 28.6 to 58.6, Qxfo(GHz) of 29,300 to 71,000, and the temperature coefficient of resonance frequency(TCF) ranging from -53.82 to +52.32 ppm/deg. C, which TCFbeing able to be controlled at a range of +-10ppm/deg. C dependingon amount of addition of impurities, so that the ceramic composition may effectively be used in telecommunication system.
Abstract translation: 描述了具有高质量系数（Q值）和介电常数以及良好的共振频率温度系数的用于高频波的介电陶瓷组合物。 介电陶瓷组合物可以用下式表示：（1-y）CaTiO3-yLa（Zn1-x / 2Mgx / 2Ti1 / 2）O3，其中x为0至1.0，y为0.3至0.9。 根据本发明的电介质组合物的介电常数为28.6〜58.6，Qxfo（GHz）为29,300〜71,000，共振频率（TCF）的温度系数为-53.82〜+52.32ppm / deg。 C，其TCFbeing能够控制在+ -10ppm / deg的范围内。 C含量添加杂质，使得陶瓷组合物可有效地用于电信系统中。
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Patent Agency Ranking
公开(公告)号：KR1019970001055B1
公开(公告)日：1997-01-25
申请号：KR1019940015401
申请日：1994-06-30
Applicant: 한국과학기술연구원
IPC: C04B35/45
Abstract: Dielectric composition(1-y)CaTiO3-y(Zn1-x/2Mgx/2Ti1/2)O3 is claimed. In formula x is from 0 to 1.0, y is more than 0.3 at least 0.9. In an example, a mixed powder of CaCO3, La2O3, TiO2, ZnO, and MgO is sintered at 1,050 deg.C for 10 hr, crushed, sintered at 1,200-1,300 deg.C to give a synthetics which is crushed and sintered at 1,500-1,650 deg.C. Measured frequency is 8-12 HGz, temperature range is -15-85 deg.C.
Abstract translation: 要求保护电介质组成（1-y）CaTiO3-y（Zn1-x / 2Mgx / 2Ti1 / 2）O3。 在式x中为0至1.0，y大于0.3至少0.9。 在一个实例中，将CaCO 3，La 2 O 3，TiO 2，ZnO和MgO的混合粉末在1050℃下烧结10小时，在1,200-1300℃下烧结，烧结，得到在1500℃下粉碎和烧结的合成物 -1,650摄氏度 测量频率为8-12 HGz，温度范围为-15-85℃。
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公开(公告)号：KR1019960000824A
公开(公告)日：1996-01-25
申请号：KR1019940015403
申请日：1994-06-30
Applicant: 한국과학기술연구원
IPC: C04B35/46
Abstract: 본 발명은 조성식(1-y)(Sr
1 -
x Ca
x )TiO
3 -yNd(Mg
1/2 Ti
1/2 )O
3 로 로 표시되고, x의 범위가 0.01
x
1.0이고, y의 범위가 0.3
y
0.6인 마이크로ㅠ파용 유전체 조성물을 제공한다. 이 조성물은 유전율이 30 내지 60이고, Q
x f
o (GHz)가 9,500 내지 50,000이며 공진 주파수의 온도 계(TCF)의 범위가 -60 내지 +60ppm/℃이므로, 마이크로파용 유전체 세라믹스가 요구되는 통신 시스템에 적합하게 이용될 수 있다.-
公开(公告)号：KR1019970001060B1
公开(公告)日：1997-01-25
申请号：KR1019960052597
申请日：1996-11-07
Applicant: 한국과학기술연구원
IPC: C04B35/465
Abstract: Dielectric ceramic composition for high-frequency wave is described which has high quality coefficient(Q value) and dielectric constant, and good temperature coefficient of resonance frequency. The dielectric ceramic composition may be represented as following formula: (1-y)CaTiO3-yLa(Mg1/2Ti1/2)O3, where, y is from 0.3 to 0.9.The dielectric composition according to the invention has dielectric constant of 28.6 to 58.6, Qxfo(GHz) of 29,330 to 71,000, and the temperature coefficient of resonance frequency(TCF) ranging from -53.82 to +52.32 ppm/deg. C, which TCF being able to be controlled at a range of +-10ppm/deg. C depending on amount of addition of impurities, so that the ceramic composition may effectively be used in telecommunication system.
Abstract translation: 描述了具有高质量系数（Q值）和介电常数以及良好的共振频率温度系数的用于高频波的介电陶瓷组合物。 电介质陶瓷组合物可以用下式表示：（1-y）CaTiO3-yLa（Mg1 / 2Ti1 / 2）O3，其中y为0.3至0.9。根据本发明的电介质组合物的介电常数为28.6至 58.6，Qmax（GHz）为29,330〜71,000，共振频率（TCF）的温度系数为-53.82〜+ 52.32ppm / deg。 C，哪个TCF能够控制在+ -10ppm / deg的范围内。 C取决于杂质的添加量，使得陶瓷组合物可以有效地用于电信系统中。
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公开(公告)号：KR1019960000819A
公开(公告)日：1996-01-25
申请号：KR1019940015401
申请日：1994-06-30
Applicant: 한국과학기술연구원
IPC: C04B35/45
Abstract: 본 발명은 조성식(1-y)CaTiO
3 -yLa(Zn
1-x/2 Mg
x/2 Ti
1/2 )O
3 로 표시되고, x의 범위가 0≤x≤1.0이고 y의 범위가 0.3≤y≤0.9인 고주파용 유전체 조성물을 제공한다. 이 조성물은 유전율이 28.6 내지 58.6이고 QxFo(GHz)가 29,330 내지 71,100이며, 공진 주파수의 온도 계수(TCF)가 -53.82 내지 +52.32ppm/℃로서, 고주파용 유전채 세라믹스가 요구되는 통신 시스템에 적합하게 사용할 수 있다.
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