DIELECTRIC CERAMIC MATERIALS AND ASSOCIATED METHODS
    22.
    发明申请
    DIELECTRIC CERAMIC MATERIALS AND ASSOCIATED METHODS 有权
    电介质陶瓷材料及相关方法

    公开(公告)号:US20110263411A1

    公开(公告)日:2011-10-27

    申请号:US12999294

    申请日:2009-12-16

    申请人: Michael D. Hill

    发明人: Michael D. Hill

    IPC分类号: C04B35/468 C04B35/64

    摘要: Ceramic dielectric materials that can be utilized as electronic components, such as dielectric resonators are disclosed. The material can have a formula Ba12M′(28+a/3)Ti(54−a-b)M″aGebO162, wherein M′ is at least one rare earth element selected from the group consisting of lanthanum, neodymium, samarium, gadolinium, and yttrium, M″ is at least one element selected from the group consisting of aluminum, gallium, chromium, indium, scandium, and ytterbium, 0≦a≦6, and 0≦b≦3. The ceramic dielectric material can also have a formula Ba12M′(28+2x/3)Ti(54−x−y)M′″xGeyO162, wherein M′ is at least one rare earth element selected from the group consisting of lanthanum, neodymium, samarium, gadolinium, and yttrium, M′″ is at least one metal selected from the group consisting of magnesium, zinc, nickel, and cobalt, 0≦x≦3, and 0≦y≦3. One or more aspects of the present invention pertain to methods of fabricating a dielectric component. Methods of synthesizing the disclosed ceramic dielectric materials are also disclosed.

    摘要翻译: 公开了可用作电子部件的陶瓷电介质材料,例如介质谐振器。 该材料可以具有式Ba12M'(28 + a / 3)Ti(54-ab)M“aGebO162,其中M'是选自镧,钕,钐,钆和镧的至少一种稀土元素 钇,M“是选自由铝,镓,铬,铟,钪和镱组成的组中的至少一种元素,0< n 1; a≦̸ 6和0≦̸ b≦̸ 3。 陶瓷电介质材料也可以具有式Ba12M'(28 + 2x / 3)Ti(54-x-y)M“xGeyO162,其中M'是选自镧,钕中的至少一种稀土元素 钐,钆和钇,M'“是选自镁,锌,镍和钴中的至少一种金属,0< 1; x≦̸ 3和0≦̸ y≦̸ 3。 本发明的一个或多个方面涉及制造介电部件的方法。 还公开了合成所公开的陶瓷介电材料的方法。

    Ceramic composition and method
    24.
    发明申请
    Ceramic composition and method 失效
    陶瓷成分及方法

    公开(公告)号:US20040220044A1

    公开(公告)日:2004-11-04

    申请号:US10425161

    申请日:2003-04-29

    IPC分类号: C04B035/468

    摘要: A ceramic material suitable for use as a microwave band filter for telecommunications equipment comprises oxides of titanium, barium, neodymium, samarium, and optionally, bismuth, and containing, on an elemental weight basis: about 28 to about 31 weight % titanium, about 19 to about 21 weight % barium, about 11 to about 18 weight % samarium, about 7 to about 13 weight % neodymium, up to about 3 weight % of bismuth, and the remainder substantially being oxygen. The ceramic compositions have a resonant frequency, f, in the range of about 2000 MHz to about 2300 MHz, a quality factor, Q, of at least about 4000, a dielectric constant, K, in the range of about 50 to about 70, and a temperature coefficient of resonant frequency, Tf, in the range of about 0 ppm to about null20 ppm. Calcined metal oxide powders useful for preparing the microwave ceramic materials, a method of making the ceramic materials, and devices containing the ceramic materials are also described.

    摘要翻译: 适合用作通信设备的微波带滤波器的陶瓷材料包括钛,钡,钕,钐和任选的铋的氧化物,并且以元素重量计含有约28至约31重量%的钛,约19 至约21重量%的钡,约11至约18重量%的钐,约7至约13重量%的钕,至多约3重量%的铋,其余基本上是氧。 陶瓷组合物具有在约2000MHz至约2300MHz的范围内的谐振频率f,至少约4000的品质因数Q,介电常数K在约50至约70的范围内, 和共振频率Tf在约0ppm至约+20ppm的范围内的温度系数。 还描述了可用于制备微波陶瓷材料的煅烧金属氧化物粉末,制备陶瓷材料的方法以及包含陶瓷材料的装置。

    Dielectric ceramic composition and multilayered ceramic substrate
    25.
    发明授权
    Dielectric ceramic composition and multilayered ceramic substrate 有权
    介电陶瓷组合物和多层陶瓷基板

    公开(公告)号:US06475607B2

    公开(公告)日:2002-11-05

    申请号:US09947301

    申请日:2001-09-05

    IPC分类号: B32B700

    摘要: A multilayered ceramic substrate is produced by laminating and sintering insulating ceramic layers and one or more dielectric ceramic layers. The insulating ceramic layer is composed of a BaO—Al2O3-SiO2 low temperature sintering ceramic material. The dielectric ceramic layer is composed of a dielectric ceramic material containing a dielectric ceramic component represented by BaO—TiO2-(Nd1—mMem)O{fraction (3/2)} wherein Me is a lanthanoid and 0≦m≦1.0, and a glass component of about 20.0 to 65.0 mole percent of barium oxide, about 5.0 to 50.0 mole percent of silicon oxide and about 10.0 to 50.0 mole percent of boron oxide.

    摘要翻译: 通过层叠和烧结绝缘陶瓷层和一个或多个电介质陶瓷层来制造多层陶瓷衬底。 绝缘陶瓷层由BaO-Al2O3-SiO2低温烧结陶瓷材料组成。 电介质陶瓷层由含有由BaO-TiO2-(Nd1-mMem)O3 / 2表示的介电陶瓷组分的介电陶瓷材料组成,其中Me是镧系元素,0≤m≤1.0,玻璃组分约为 20.0至65.0摩尔%的氧化钡,约5.0至50.0摩尔%的氧化硅和约10.0至50.0摩尔%的氧化硼。

    Dielectric porcelain composition
    26.
    发明授权
    Dielectric porcelain composition 有权
    介电瓷组成

    公开(公告)号:US06184165B2

    公开(公告)日:2001-02-06

    申请号:US09353796

    申请日:1999-07-15

    申请人: Tomoaki Kawata

    发明人: Tomoaki Kawata

    IPC分类号: C04B35468

    CPC分类号: C04B35/4686 H01B3/12

    摘要: A dielectric porcelain composition according to the present invention is composed of a main component expressed in a general formula of xBaO·y((1−t)Nd2O3·tSm2O3)·zTiO2, where 6≦x≦23, 13≦y≦30, 64≦z≦68, 0≦t

    摘要翻译: 根据本发明的电介质瓷组合物由通式xBaO.y((1-t)Nd2O3.tSm2O3)·zTiO2表示的主要成分组成,其中6≤x≤23,13≤y <= 30,64 <= z <= 68,0 <= t <1,x + y + z = 100。 主成分含有以CuO计的0.1〜3.0重量%的Cu氧化物和2.0〜10重量%范围的玻璃组成的亚成分。 此外,玻璃组合物的90重量%以上是选自SiO 2,B 2 O 3,MgO,BaO,SrO,ZnO和CaO中的至少一种,其含量为:5重量%≤SiO2 <= 15重量% 15wt%<= B2O3 <= 25wt%; 50重量%<=(MgO + BaO + SrO + ZnO + CaO)<= 80重量% 90重量%<=(SiO 2 + B 2 O 3 + MgO + BaO + SrO + ZnO + CaO)≤100重量%。

    Dielectric ceramic composition and ceramic electronic element using the
same
    27.
    发明授权
    Dielectric ceramic composition and ceramic electronic element using the same 有权
    介电陶瓷组合物和陶瓷电子元件使用相同

    公开(公告)号:US6107228A

    公开(公告)日:2000-08-22

    申请号:US253843

    申请日:1999-02-22

    摘要: A dielectric ceramic composition which has a high dielectric constant and a high Q value, as well as excellent temperature stability, and which is sinterable at a relatively low temperature. The dielectric ceramic composition of the present invention is formed of a mixture of a BaO--TiO.sub.2 --REO.sub.3/2 --BiO.sub.3 ceramic composition wherein RE represents a rare earth element, and a glass composition. The glass composition contains about 13-50 wt. % SiO.sub.2, about 3-30 wt. % B.sub.2 O.sub.3, about 40-80 wt. % alkaline earth metal oxide and about 0.1-10 wt. % Li.sub.2 O.

    摘要翻译: 具有高介电常数和高Q值以及优异的温度稳定性并且在较低温度下可烧结的介电陶瓷组合物。 本发明的电介质陶瓷组合物由其中RE表示稀土元素的BaO-TiO2-REO3 / 2-BiO3陶瓷组合物和玻璃组合物的混合物形成。 玻璃组合物含有约13-50wt。 %SiO 2,约3-30wt。 %B2O3,约40-80wt。 %的碱土金属氧化物和约0.1-10wt。 %Li2O。

    Barium neodymium titanate dielectric ceramic composition incorporating
samarium oxide for improved electrical performance
    28.
    发明授权
    Barium neodymium titanate dielectric ceramic composition incorporating samarium oxide for improved electrical performance 有权
    钡钕钛酸镧电介质陶瓷组合物掺入氧化钐以改善电气性能

    公开(公告)号:US6107227A

    公开(公告)日:2000-08-22

    申请号:US127744

    申请日:1998-08-03

    CPC分类号: C04B35/4686 H01G4/1227

    摘要: A high purity dielectric ceramic composition is disclosed. This composition provides improved electrical properties in the form of ultra-high electrical Q, a low (T.sub.f) property and a high dielectric constant (K). This composition is also amenable to large scale manufacturing processes and operations. The composition provides a multi-oxide dielectric with BaO--Nd.sub.2 O--Sm.sub.2 O.sub.3 --TiO.sub.2 --La.sub.2 O.sub.3 Bi.sub.2 O.sub.3 and ZnO as constituents. The composition materials effectively provide these desirable properties in a custom composition of various oxide materials advantageously including samarium oxide (Sm.sub.2 O.sub.3).

    摘要翻译: 公开了一种高纯度介电陶瓷组合物。 该组合物以超高电气Q,低(Tf)特性和高介电常数(K)的形式提供改进的电性能。 这种组合也适用于大规模制造工艺和操作。 该组合物提供了BaO-Nd2O-Sm2O3-TiO2-La2O3Bi2O3和ZnO作为组分的多氧化物电介质。 组合物材料在有利地包括氧化钐(Sm2O3)的各种氧化物材料的定制组合物中有效地提供了这些所需的性能。

    Dielectric ceramic composition
    29.
    发明授权
    Dielectric ceramic composition 失效
    介电陶瓷组合物

    公开(公告)号:US5650368A

    公开(公告)日:1997-07-22

    申请号:US686482

    申请日:1996-07-26

    摘要: A dielectric ceramic composition used for a ceramic capacitor for temperature compensation, a resonator and the like. The dielectric ceramic composition comprises a composite oxide containing, as metal elements, main components of (i) barium, (ii) rare earth elements such as neodymium (Nd) or Nd and Sm in combination, and (iii) elements of the Group IV of periodic table such as titanium (Ti) or Ti and Zr or Sn in combination, and an assistant component of manganese, wherein the main components comprise from 7.5 to 16.25 mol % of a barium oxide, from 16.75 to 23.75 mol % of an oxide of rare earth element, and from 67 to 71.66 mol % of an oxide of element of the Group IV reckoned as a molar composition of the ternary-component-based oxide, the manganese component is contained in an amount of from 0.01 to 0.5% by weight reckoned as MnCO.sub.3 with respect to the main components, and sodium component which is an impurity is contained in an amount of not larger than 0.10% by weight with respect to the whole amount.

    摘要翻译: 用于温度补偿用陶瓷电容器的电介质陶瓷组合物,谐振器等。 电介质陶瓷组合物包含作为金属元素的复合氧化物,其包含(i)钡,(ii)稀土元素如钕(Nd)或Nd和Sm的组合的主要成分,和(iii)第IV族元素 的元素周期表如钛(Ti)或Ti和Zr或Sn的组合,以及锰的助剂,其中主要组分包含7.5-16.25mol%的氧化钡,16.75- 23.75mol%的氧化物 的稀土元素的摩尔组成的第IV族元素的氧化物的67〜71.66摩尔%,作为三元成分的氧化物的摩尔组成的锰成分含量为0.01〜0.5% 重量相对于主要成分为MnCO 3,作为杂质的钠成分的含量相对于全部量为0.10重量%以下。

    Dielectric ceramic for microwaves
    30.
    发明授权
    Dielectric ceramic for microwaves 失效
    用于微波的介质陶瓷

    公开(公告)号:US5376603A

    公开(公告)日:1994-12-27

    申请号:US235138

    申请日:1994-04-28

    摘要: In a dielectric ceramic composed of a La.sub.2 O.sub.3 -CaO-TiO.sub.2 -MgO type or a BaO-Nd.sub.2 O.sub.3 -TiO.sub.2 type, the oxygen vacancy concentration of the ceramic is controlled below 7.times.10.sup.18 /cm.sup.3 by, for example, annealing the mixture after firing, or heat-treating the mixture after firing. The Q value of the dielectric ceramic can be markedly increased. In addition, ceramics having stable properties can be produced. Thus, the dielectric ceramics can fully cope with high frequencies and large electrification.

    摘要翻译: 在由La2O3-CaO-TiO2-MgO型或BaO-Nd2O3-TiO2型构成的介电陶瓷中,陶瓷的氧空位浓度通过例如烧制后的混合物退火或加热而控制在7×10 18 / cm 3以下 在烧制后加入混合物。 电介质陶瓷的Q值可以显着增加。 此外,可以制造具有稳定性能的陶瓷。 因此,电介质陶瓷可以充分应对高频和大电气化。