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公开(公告)号:US5077247A
公开(公告)日:1991-12-31
申请号:US563556
申请日:1990-08-06
申请人: Hosaku Sato , Ayusawa Kazutoshi , Toru Arai
发明人: Hosaku Sato , Ayusawa Kazutoshi , Toru Arai
IPC分类号: C04B35/462 , C04B35/468
CPC分类号: C04B35/4686 , C04B35/462 , C04B35/4688
摘要: A dielectric ceramic for microwave applications is comprised of:X BaO.Y TiO.sub.2.Z {(Sm.sub.2 O.sub.3).sub.1-W1-W2 (La.sub.2 O.sub.3).sub.W1 (Nd.sub.2 O.sub.3).sub.W2 }where X, Y, Z lie in the ranges: 11.0.ltoreq.X.ltoreq.22.0; 60.0.ltoreq.Y.ltoreq.75.0; and 6.0.ltoreq.Z.ltoreq.28.0 (X+Y+Z=100) expressed in mole %, and 0
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公开(公告)号:US4699891A
公开(公告)日:1987-10-13
申请号:US883018
申请日:1986-07-07
申请人: Hosaku Sato , Kazutoshi Ayusawa , Minoru Saito , Matsue Nakayama
发明人: Hosaku Sato , Kazutoshi Ayusawa , Minoru Saito , Matsue Nakayama
IPC分类号: C04B35/46 , C04B35/462 , C04B35/468 , H01B3/12 , H01G4/12 , H01P7/10 , C04B35/50
CPC分类号: C04B35/462 , C04B35/4686
摘要: A dielectric ceramic composition for microwave applications comprises a mixture represented by the general formula:xBaO-yTiO.sub.2 -z{(Sm.sub.2 O.sub.3).sub.100-(w.sbsb.1.sub.+w.sbsb.2.sub.) (CeO.sub.2).sub.w.sbsb.1 (La.sub.2 O.sub.3).sub.w.sbsb.2 }wherein x, y, z, w.sub.1 and w.sub.2 are mole % of respective components, 6.ltoreq.x.ltoreq.22, 59.ltoreq.y.ltoreq.79.5, 2.ltoreq.z.ltoreq.34.5, x+y+z=100, and 0
摘要翻译: 用于微波应用的介电陶瓷组合物包括由以下通式表示的混合物:xBaO-yTiO2-z {(Sm2O3)100-(w1 + w2)(CeO2)w1(La2O3)w2}其中x,y,z,w1和 w2是各组分的摩尔%,6≤n≤22,59 =79.5,2≤z≤34.5,x + y + z = 100和0 <( w1 + w2) = 95,并且其中w1和w2都不为零。 此外,该组合物可以包括基于BaO,TiO 2,Sm 2 O 3,CeO 2和La 2 O 3的总重量的量为4重量%以下的另外成分的MnO 2。 由于该组合物具有高的比介电常数εr,大的无负载值Q和大约为零的正或负温度系数等于它可以用作微波介质谐振器,温度补偿电容器等。
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