Copper tantalate compositions containing trivalent cations

   
   

This invention provides compositions of the formula Cu.sub.3 Ta.sub.3 MO.sub.12 wherein M is Al, Ga, Fe, Cr, Sc or mixtures thereof. These compositions have high dielectric constant and low loss over a frequency range of from 1 kHz to 1 MHz.

Deze uitvinding verstrekt samenstellingen van de formule Cu.sub.3 Ta.sub.3 MO.sub.12 waarin M Al, GA, Fe, Cr, Sc of daarvan mengsels is. Deze samenstellingen hebben hoge diƫlektrische constante en laag verlies over een frequentiewaaier van van 1 kHz aan 1 MHz.

 
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