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公开(公告)号:US5569632A
公开(公告)日:1996-10-29
申请号:US488827
申请日:1995-06-09
申请人: Hyung J. Jung , Hyun J. Kim , Kyong Y. Kim , Seok J. Yoon , Sang O. Yoon , Tetsuro Nakamura , Mitsuru Itoh , Yoshiyouki Inaguma
发明人: Hyung J. Jung , Hyun J. Kim , Kyong Y. Kim , Seok J. Yoon , Sang O. Yoon , Tetsuro Nakamura , Mitsuru Itoh , Yoshiyouki Inaguma
IPC分类号: C04B35/46 , C04B35/465 , H01B3/12
CPC分类号: H01B3/12 , C04B35/465
摘要: The present invention provides compositions of high frequency dielectric ceramics represented by the following formula:(1-y) SrTiO.sub.3 -y La(Zn.sub.1-x)/2 Mg.sub.x/2 Ti.sub.1/2)O.sub.3wherein 0.ltoreq.x.ltoreq.0.99; and 0.4.ltoreq.y.ltoreq.0.9. The compositions have a dielectric constant of about 28 to about 60, Qxf.sub.0 (GHz) of about 25,000 to about 71,000 and a temperature coefficient of the resonant frequency of about -56 to about 84 ppm/.degree. C. The compositions may be applied to various communications systems which require high frequency dielectric ceramics.
摘要翻译: 本发明提供了由下式表示的高频电介质陶瓷的组合物:(1-y)SrTiO3-y La(Zn1-x)/ 2Mgx / 2Ti + E,fra1 / 2 + EE)O3,其中0 < x <= = 0.99; 和0.4≤y≤0.9。 组合物具有约28至约60的介电常数,约25,000至约71,000的Qxf0(GHz)和约-56至约84ppm /℃的共振频率的温度系数。该组合物可以应用于各种 需要高频电介质陶瓷的通信系统。
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公开(公告)号:US5521130A
公开(公告)日:1996-05-28
申请号:US495941
申请日:1995-06-28
CPC分类号: H01B3/12 , C04B35/465
摘要: There is disclosed a dielectric material for high frequencies comprising a composition system represented by the following formula:(1-Y)SrTiO.sub.3 --Y(La.sub.1-x Nd.sub.x)(Mg.sub.1/2 Ti.sub.1/2)O.sub.3wherein0.01.ltoreq.X
摘要翻译: 公开了一种用于高频的电介质材料,其包含由下式表示的组成系统:(1-Y)SrTiO 3 -Y(La1-xNdx)(Mg1 / 2Ti1 / 2)O3,其中0.01
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公开(公告)号:US5246628A
公开(公告)日:1993-09-21
申请号:US6697
申请日:1993-01-21
申请人: Hyung J. Jung , Sang O. Yoon , Ki Y. Hong , Jeon K. Lee
发明人: Hyung J. Jung , Sang O. Yoon , Ki Y. Hong , Jeon K. Lee
CPC分类号: H01C7/043 , C04B35/016
摘要: Metal oxide group NTC theremistor material made from MnCO.sub.3 +NiO+CuO+Co.sub.3 O.sub.4 +FeO.sub.3 TiO.sub.2 group as a basic composition. The invention is characterized by metal oxide group thermistor material made from MnCO.sub.3 +NiO+ZnO+Co.sub.3 O.sub.4 +Fe.sub.2 O.sub.3 +TiO.sub.2 group or MnCO.sub.3 +NiO+CuO+ZnO+Fe.sub.2 O.sub.3 +TiO.sub.2 group as a basic composition having respectively composition amounts by weight for each ingredient described in the text. According to the invention, the sintering temperature of the material can be reduced relative to the conventional material, and therefore there is advantage that manufacturing expense of the thermistor can be reduced.
摘要翻译: 金属氧化物NTC电阻材料由MnCO3 + NiO + CuO + Co3O4 + FeO3 TiO2组成,作为基本成分。 本发明的特征在于由MnCO 3 + NiO + ZnO + Co 3 O 4 + Fe 2 O 3 + TiO 2基团或MnCO 3 + NiO + CuO + ZnO + Fe 2 O 3 + TiO 2组成的金属氧化物基热敏电阻材料,其基本组成分别为每种成分的组成量 在文中描述。 根据本发明,材料的烧结温度相对于常规材料可以降低,因此有利于降低热敏电阻的制造成本。
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