Sodium copper titanate compositions containing a rare earth, yttrium or bismuth

   
   

This invention provides compositions of the formula Na.sub.0.5 M.sub.0.5 Cu.sub.3 Ti.sub.4 O.sub.12 wherein M=La--Lu, Y, Bi or mixtures thereof. These compositions have high dielectric constant and low loss over a frequency range of from about 1 kHz to about 1 MHz.

Deze uitvinding verstrekt daarvan samenstellingen van de formule Na.sub.0.5 M.sub.0.5 Cu.sub.3 Ti.sub.4 O.sub.12 waarin M=La -- Lu, Y, Bi of mengsels. Deze samenstellingen hebben hoge diƫlektrische constante en laag verlies over een frequentiewaaier van van ongeveer 1 kHz aan ongeveer 1 MHz.

 
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