Dielectric ceramic composition
    1.
    发明授权
    Dielectric ceramic composition 失效
    介电陶瓷组合物

    公开(公告)号:US5756412A

    公开(公告)日:1998-05-26

    申请号:US795174

    申请日:1997-02-04

    IPC分类号: C04B35/495 C04B35/02

    CPC分类号: C04B35/495

    摘要: A dielectric ceramic composition for microwave applications consists essentially of the compound having a formula B'B.sub.2 "O.sub.6, wherein B' is at least one metal selected from the group of Mg, Ca, Co, Mn,Ni and Zn, and wherein B" is one of Nb or Ta, and additionally includes at least one compound selected from the group of CuO, V.sub.2 O.sub.5, La.sub.2 O.sub.3, Sb.sub.2 O.sub.5, WO.sub.3, MnCO.sub.3, MgO, SrCO.sub.3, ZNO, and Bi.sub.2 O.sub.3 as an additive, wherein the amount of the additive is 0.05% to 2.0% by weight of the total weight of the composition.

    摘要翻译: 用于微波应用的电介质陶瓷组合物基本上由具有式B'B2'O6的化合物组成,其中B'是选自Mg,Ca,Co,Mn,Ni和Zn中的至少一种金属,其中B “是Nb或Ta中的一种,另外还含有选自CuO,V2O5,La2O3,Sb2O5,WO3,MnCO3,MgO,SrCO3,ZNO和Bi2O3作为添加剂的至少一种化合物,其中 添加剂为组合物总重量的0.05〜2.0重量%。

    Bismuth pyrochlore microwave dielectric materials
    2.
    发明授权
    Bismuth pyrochlore microwave dielectric materials 失效
    铋烧绿石微波介电材料

    公开(公告)号:US06680269B2

    公开(公告)日:2004-01-20

    申请号:US09892364

    申请日:2001-06-27

    IPC分类号: C04B35495

    CPC分类号: C04B35/495 H01B3/12

    摘要: The disclosed invention relates to Bi2O3—ZnO—Ta2O5 dielectric compounds and compositions, and to their manufacture. The compounds of the invention have outstanding K, Q, TCF, and TCC. Examples of these properties include a K of between 58 and 80, a low dielectric loss (tan &dgr;

    摘要翻译: 所公开的发明涉及Bi2O3-ZnO-Ta2O5介电化合物和组合物及其制造。 本发明化合物具有优异的K,Q,TCF和TCC。 这些性质的实例包括58至80之间的K,低介电损耗(tanδ<0.003)和TCC <30ppm /℃。所生产的陶瓷组合物包括由Bi2(ZnTa2)xO6x + 3表示的组成,其中0.57 <= X&LE; 1.0,BI2(ZnTay)2 / 3O((5y + 11)/ 3)其中1.0 <= y <= 3.0,以及Bi2(ZnTay)2 / 3O((5y + 11)/ 3 ),其中1.0 <= y <= 3.0,条件是y不为2.0。 由式r(Bi2(Zn1 / 3Ta2 / 3)2O7) - (1-r)(Bi3 / 2Zn2 / 3)(Zn1 / 2Ta3 / 2)O7))定义的化合物的固溶体,其中0