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    Dielectric ceramic composition
    1.
    发明申请
    Dielectric ceramic composition 有权
    介电陶瓷组合物

    公开(公告)号：US20020037804A1

    公开(公告)日：2002-03-28

    申请号：US09910352

    申请日：2001-07-20

    申请人： Murata Manufacturing Co. Ltd.

    发明人： Yasutaka Sugimoto ,  Osamu Chikagawa ,  Naoya Mori

    IPC分类号： C04B035/468

    CPC分类号： C04B35/462 ,  C03C3/066 ,  C04B35/4682 ,  C04B2235/3215 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3232 ,  C04B2235/3234 ,  C04B2235/3236 ,  C04B2235/3281 ,  C04B2235/3409 ,  C04B2235/3445 ,  C04B2235/36 ,  C04B2235/6025 ,  C04B2235/656 ,  C04B2235/80 ,  H01B3/12 ,  H01G4/1227 ,  H01L2224/05568 ,  H01L2224/05573 ,  H01L2224/16225 ,  H01L2924/00014 ,  H01L2924/15174 ,  H01L2924/16152 ,  H01L2924/19105 ,  H05K1/024 ,  H05K1/0306 ,  H01L2224/05599

    摘要： A dielectric ceramic compact is provided which can be obtained by sintering at a low temperature of 1000null C. or less, can be obtained by co-sintering a dielectric ceramic composition with a metal having superior electrical conductivity, such as Ag, and has a high relative dielectric constant, a high Q and a small temperature coefficient of dielectric properties. The dielectric ceramic composition combines an xBaOnullyTiO2nullzReO{fraction (3/2)} ceramic composition and a glass composition; wherein 8nullxnull18, 52.5nullynull65, 20nullznull40, in which x, y, and z represent mole percent, xnullynullznull100 and Re indicates a rare earth element, and the glass composition comprises about 10 to 25 wt % of SiO2, about 10 to 40 wt % of B2O3, about 25 to 55 wt % of MgO, 0 to about 20 wt % of ZnO, 0 to about 15 wt % of Al2O3, about 0.5 to 10 wt % of Li2O and 0 to about 10 wt % of RO in which R is at least one selected from the group consisting of Ba, Sr and Ca.

    摘要翻译： 通过在1000℃以下的低温下烧结得到的电介质陶瓷成形体可以通过将电介质陶瓷组合物与Ag等导电性优异的金属共烧结而得到， 高相对介电常数，高Q值和较小的介电性能温度系数。 介电陶瓷组合物结合了xBaO-yTiO 2 -ZReO（分数（3/2））陶瓷组合物和玻璃组合物; 其中x，y和z表示摩尔百分数，x + y + z = 100，Re表示稀土元素，其中8≤x≤18，52.5≤y≤65，20≤z≤40，其中x，y和z表示摩尔％ 元素，并且玻璃组合物包含约10至25重量％的SiO 2，约10至40重量％的B 2 O 3，约25至55重量％的MgO，0至约20重量％的ZnO，0至约15重量％的 Al 2 O 3，约0.5-10重量％的Li 2 O和0至约10重量％的RO，其中R为选自Ba，Sr和Ca中的至少一种。

    Insulative ceramic compact
    3.
    发明申请
    Insulative ceramic compact 失效
    绝缘陶瓷结构

    公开(公告)号：US20020027018A1

    公开(公告)日：2002-03-07

    申请号：US09909337

    申请日：2001-07-19

    申请人： Murata Manufacturing Co., Ltd.

    发明人： Osamu Chikagawa ,  Naoya Mori ,  Yasutaka Sugimoto

    IPC分类号： H05K001/03

    CPC分类号： B32B18/00 ,  C03C14/004 ,  C03C2214/04 ,  C03C2214/20 ,  C04B35/03 ,  C04B35/443 ,  C04B2237/34 ,  C04B2237/343 ,  C04B2237/62 ,  C04B2237/68 ,  C04B2237/704 ,  H01B3/087 ,  H01B3/12 ,  H01L2224/16235 ,  H05K1/0306 ,  H05K3/4629 ,  Y10T428/24926

    摘要： An insulative ceramic compact is composed of a fired mixture of (A) a MgAl2O4, Mg3B2O6 and/or Mg2B205 ceramic powder, and (3) a glass powder including from about 13 to 50% by weight of silicon oxide in terms of SiO2, from 8 to 60% by weight of boron oxide in terms of B2O3, about 20% by weight or less of aluminum oxide in terms of A12O3, and from about 10 to 55% by weight of magnesium oxide in terms of MgO. The insulative ceramic compact can be obtained by firing at low temperatures of about 1000null C. or less, can be obtained by sintering with Ag or Cu, has a low dielectric constant and a high Q value, and is suitable for use in the high-frequency range.

    摘要翻译： 绝缘陶瓷压块由（A）MgAl 2 O 4，Mg 3 B 2 O 6和/或Mg 2 B 2 O 5陶瓷粉末的烧结混合物组成，（3）玻璃粉末，其包含以SiO 2为约13〜50重量％的氧化硅， 以B 2 O 3为8〜60重量％的氧化硼，以Al 2 O 3换算为约20重量％以下的氧化铝，以MgO换算为约10〜55重量％的氧化镁。 绝缘陶瓷压块可以通过在约1000℃以下的低温下烧成而获得，可以通过用Ag或Cu烧结获得，具有低介电常数和高Q值，并且适用于高 -频率范围。

    Insulator ceramic composition
    4.
    发明申请
    Insulator ceramic composition 有权
    绝缘体陶瓷组成

    公开(公告)号：US20010031690A1

    公开(公告)日：2001-10-18

    申请号：US09789375

    申请日：2001-02-20

    申请人： Murata Manufacturing Co., Ltd.

    发明人： Osamu Chikagawa ,  Naoya Mori

    IPC分类号： B32B003/10 ,  C03C014/00

    CPC分类号： H01L23/15 ,  C03C8/14 ,  C04B35/053 ,  C04B35/443 ,  H01G4/1209 ,  H01L2924/09701 ,  H01L2924/15192 ,  H05K1/0306 ,  H05K1/162 ,  H05K3/4629 ,  Y10T428/24917 ,  Y10T428/24926

    摘要： An insulator ceramic composition making it possible to obtain a sintered material which can be fired at low temperature of 1000null C., can be co-sintered with Ag and Cu, exhibits superior mechanical strength, exhibits high Q value and is appropriate for using high frequencies, is provided. The insulator ceramic composition is composed of (A) an MgOnullMgAl2O4 ceramic powder, and (B) a glass powder containing silicon oxide in a proportion of about 13 to 50 weight % in terms of SiO2, boron oxide in a proportion of about 3 to 60 weight % in terms of B2O3, and aluminum oxide in a proportion of 0 to about 20 weight % in terms of Al2O3.

    摘要翻译： 可以获得可在1000℃的低温下烧制的烧结材料的绝缘体陶瓷组合物可以与Ag和Cu共烧结，显示出优异的机械强度，显示出高的Q值并且适合于使用高 提供频率。 绝缘体陶瓷组合物由（A）MgO-MgAl 2 O 4陶瓷粉末组成，（B）以SiO 2为约13〜50重量％的比例含有氧化硅的玻璃粉末，比例为3的氧化硼 以B 2 O 3换算成60重量％，以Al 2 O 3换算为0〜20重量％的氧化铝。

    Composite multilayer ceramic electronic parts and method of manufacturing the same
    5.
    发明申请
    Composite multilayer ceramic electronic parts and method of manufacturing the same 失效
    复合多层陶瓷电子零件及其制造方法

    公开(公告)号：US20020142187A1

    公开(公告)日：2002-10-03

    申请号：US10006270

    申请日：2001-12-05

    申请人： Murata Manufacturing Co., Ltd.

    发明人： Yasutaka Sugimoto ,  Osamu Chikagawa ,  Naoya Mori

    IPC分类号： B32B009/00

    CPC分类号： C04B35/468 ,  B32B18/00 ,  B32B2307/204 ,  B32B2457/00 ,  C03C14/004 ,  C04B35/50 ,  C04B2237/343 ,  C04B2237/346 ,  C04B2237/562 ,  C04B2237/68 ,  C04B2237/704 ,  H01G4/1227 ,  H01L23/49894 ,  H01L2224/48091 ,  H01L2924/09701 ,  H01L2924/19105 ,  H01L2924/3025 ,  H05K1/0306 ,  H05K1/162 ,  H05K3/4688 ,  H05K2201/09672 ,  H01L2924/00014 ,  H01L2924/00

    摘要： A composite multilayer ceramic electronic part includes a high dielectric-constant layer and at least one low dielectric-constant layer laminated with each other, the high dielectric-constant layer including a high dielectric-constant material and has a relative dielectric constant nullr of about 20 or more, and the low dielectric-constant layer including a low dielectric-constant material and has a relative dielectric constant nullr of about 10 or less. The high dielectric-constant material mainly comprises a BaOnullTiO2nullReO3/2 dielectric and a first glass composition, the BaOnullTiO2nullReO3/2 dielectric being represented by xBaOnullyTiO2nullzReO3/2, where x, y and z are % by mole and satisfy the following conditions: 8nullxnull18; 52.5nullynull65; 20nullznull40; and xnullynullznull100; and Re is a rare earth element, and the low dielectric-constant material comprises a composite of a ceramic and a second glass composition. The composite multilayer ceramic electronic part is resistant to delamination or deformation at the interface between the different types of materials, can be fired at low temperatures and is suitable for the high-frequency applications.

    摘要翻译： 复合多层陶瓷电子部件包括高介电常数层和彼此层叠的至少一个低介电常数层，高介电常数层包括高介电常数材料，并且具有约20的相对介电常数εir 以上，低介电常数层包含低介电常数材料，相对介电常数εir为10以下。 高介电常数材料主要包括BaO-TiO2-ReO3 / 2电介质和第一玻璃组合物，BaO-TiO2-ReO3 / 2电介质由xBaO-yTiO2-zReO3 / 2表示，其中x，y和z分别为 ％摩尔，满足以下条件：8 <= x <= 18; 52.5 <= y <= 65; 20 <= z <= 40; x + y + z = 100; Re是稀土元素，低介电常数材料包括陶瓷和第二玻璃组合物的复合物。 复合多层陶瓷电子部件耐不同类型材料之间界面处的分层或变形，可在低温下烧制，适用于高频应用。

    Dual mode band-pass filter
    6.
    发明申请
    Dual mode band-pass filter 失效
    双模带通滤波器

    公开(公告)号：US20020053960A1

    公开(公告)日：2002-05-09

    申请号：US09867250

    申请日：2001-05-29

    申请人： Murata Manufacturing Co., Ltd.

    发明人： Seiji Kanba ,  Naoki Mizoguchi ,  Hisatake Okamura ,  Osamu Chikagawa ,  Naoya Mori ,  Yasutaka Sugimoto

    IPC分类号： H01P001/203

    CPC分类号： H01P7/082 ,  H01P7/084

    摘要： A dual mode band-pass filter includes a dielectric body having first and second main surfaces, a metal film partially disposed on the first main surface of the dielectric body or at a predetermined level in the dielectric body, the metal film having any one of an opening, a protrusion, and a cut-out arranged to combine two resonant modes, at least one ground electrode disposed on the second main surface or in the interior of the dielectric body so as to be opposed to the metal film with a portion of the dielectric body being disposed therebetween, and a pair of input-output coupling circuits that are coupled with different portions of the metal film. The dielectric body includes a dielectric ceramic containing a ceramic and a glass as main constituents, capable of being fired simultaneously with Cu, Ag, or Au, and having a Q value of more than approximately 300 at about 10 GHz.

    摘要翻译： 双模式带通滤波器包括具有第一和第二主表面的电介质体，部分地设置在电介质体的第一主表面上或在电介质体内处于预定水平的金属膜，金属膜具有 开口，突起和切口，布置成组合两个谐振模式，至少一个接地电极设置在电介质体的第二主表面或内部，以便与金属膜相对，其中一部分 绝缘体设置在它们之间，以及一对输入 - 输出耦合电路，其与金属膜的不同部分耦合。 电介质体包括含有陶瓷和玻璃作为主要成分的介电陶瓷，其能够与Cu，Ag或Au同时发射，并且在约10GHz下Q值大于约300。