Microwave dielectric ceramic composition

Details Microwave dielectric ceramic composition Microwave dielectric ceramic composition

1991-08-20

1992-07-21

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

501135, C04B 3546

Patent

active

051322587

ABSTRACT:
A microwave dielectric ceramic composition containing as main components substances expressed by a composition formula of x.multidot.TiO.sub.2 -y.multidot.ZrO.sub.2 -z.multidot.SnO.sub.2 (where 0.30.ltoreq.x.ltoreq.0.60, 0.25.ltoreq.y.ltoreq.0.60, and 0.025.ltoreq.z.ltoreq.0.20) when their molar fractions are taken as x, y and z (x+y+z=1), and containing as additives predetermined amounts of one type selected from the group consisting of MnO, Al.sub.2 O.sub.3, CuO, Li.sub.2 O and Ga.sub.2 O.sub.3 and predetermined amounts of one type selected from the group consisting of Nb.sub.2 O.sub.5 and Ta.sub.2 O.sub.5.

REFERENCES:
patent: 4339543 (1982-07-01), Mage et al.
patent: 4665041 (1987-05-01), Higuchi et al.
patent: 4785375 (1988-11-01), Campbell

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