公开(公告)号：US4337162A

公开(公告)日：1982-06-29

申请号：US151680

申请日：1980-05-20

申请人： David A. Payne ,  Sang M. Park ,  Otto C. Jahnke

发明人： David A. Payne ,  Sang M. Park ,  Otto C. Jahnke

IPC分类号： C04B35/465 ,  C04B35/468 ,  H01B3/12 ,  H01G4/12 ,  C04B35/46 ,  C04B35/64

CPC分类号： C04B35/4684 ,  C04B35/465 ,  C04B35/4682 ,  H01B3/12 ,  H01G4/1281

摘要： An improved polycrystalline semiconducting ceramic composition comprises an alkaline earth metal titanate doped with a hexavalent metal oxide such as (MO.sub.3)(Bi.sub.2 O.sub.3).sub.x where M is tungsten or molybdenum, and x ranges from 0 to 7, which is liquid phase sintered with lead germanate to produce internal insulating boundaries. The composition is fine grained and provides thin-layer, multi-layer capacitors that exhibit high dielectric constant values, low dissipation factors, and low temperature and voltage coefficients of capacitance.

摘要翻译： 改进的多晶半导体陶瓷组合物包含掺杂有六价金属氧化物的碱土金属钛酸盐，例如（MO 3）（Bi 2 O 3）x，其中M是钨或钼，x为0至7，其为与锗酸铅 以产生内部绝缘边界。 该组合物是细粒度的，并且提供表现出高介电常数值，低耗散因数以及电容的低温和电压系数的薄层多层电容器。

公开(公告)号：US4284521A

公开(公告)日：1981-08-18

申请号：US171301

申请日：1980-07-23

申请人： David A. Payne ,  Sang M. Park ,  Otto C. Jahnke

发明人： David A. Payne ,  Sang M. Park ,  Otto C. Jahnke

IPC分类号： C01G23/00 ,  C04B35/465 ,  C04B35/468 ,  H01G4/12 ,  C04B35/46 ,  H01B1/06

CPC分类号： C04B35/4682 ,  C01G23/006 ,  C04B35/465 ,  H01G4/1281 ,  C01P2002/34 ,  C01P2004/61 ,  C01P2006/34

摘要： An improved polycrystalline semiconducting ceramic composition can be produced from a novel powder which comprises a reduced alkaline earth metal titanate doped with a hexavalent metal oxide such as (MO.sub.3) (Bi.sub.2 O.sub.3).sub.x where M is tungsten or molybdenum, and x ranges from 0 to 7. This powder, which has a mean particle size on the order of less than 10 microns, may be liquid phase sintered with lead germanate to produce a ceramic composition having an extremely fine grain size. By reducing the earth metal titanate (either chemically or gaseously) prior to the liquid phase sintering with lead germanate, particle or grain size growth is substantially eliminated, and the grain size of the ceramic composition is similar to the original particle size of the earth metal titanate.

摘要翻译： 改进的多晶半导体陶瓷组合物可由新型粉末生产，该粉末包含掺杂有六价金属氧化物的还原碱土金属钛酸盐，例如（MO 3）（Bi 2 O 3）x，其中M为钨或钼，x为0至7 平均粒径小于10微米的粉末可以与锗酸铅进行液相烧结，以制造具有极细晶粒度的陶瓷组合物。 通过在用锗酸铅进行液相烧结之前，通过还原土金属钛酸盐（化学或气相），基本上消除了颗粒或晶粒尺寸的生长，并且陶瓷组合物的晶粒尺寸与原来的土壤金属粒度相似 钛酸盐

公开(公告)号：US4237084A

公开(公告)日：1980-12-02

申请号：US23708

申请日：1979-03-26

申请人： David A. Payne ,  Sang M. Park ,  Otto C. Jahnke

发明人： David A. Payne ,  Sang M. Park ,  Otto C. Jahnke

IPC分类号： C04B35/465 ,  C04B35/468 ,  H01B3/12 ,  H01G4/12 ,  C04B35/46 ,  C04B35/64

CPC分类号： H01G4/1281 ,  C04B35/465 ,  C04B35/4682 ,  C04B35/4684 ,  H01B3/12

摘要： An improved polycrystalline semiconducting ceramic composition comprises an alkaline earth metal titanate doped with a hexavalent metal oxide such as (MO.sub.3)(Bi.sub.2 O.sub.3).sub.x where M is tungsten or molybdenum, and x ranges from 0 to 7, which is liquid phase sintered with lead germanate to produce internal insulating boundaries. The composition is fine grained and provides thin-layer, multi-layer capacitors that exhibit high dielectric constant values, low dissipation factors, and low temperature and voltage coefficients of capacitance.

摘要翻译： 改进的多晶半导体陶瓷组合物包含掺杂有六价金属氧化物的碱土金属钛酸盐，例如（MO 3）（Bi 2 O 3）x，其中M是钨或钼，x为0至7，其为与锗酸铅 以产生内部绝缘边界。 该组合物是细粒度的，并且提供表现出高介电常数值，低耗散因数以及电容的低温和电压系数的薄层多层电容器。