Dielectric ceramic composition, its preparation method, multilay

Details Dielectric ceramic composition, its preparation method, multilay Dielectric ceramic composition, its preparation method, multilay

1996-06-28

1998-03-03

Jones, Deborah

Compositions: ceramic

Ceramic compositions

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

501 32, C04B 3546

Patent

active

057233950

ABSTRACT:
In a dielectric ceramic composition comprising TiO.sub.2 and ZnO as a main component, B.sub.2 O.sub.3 and/or a B.sub.2 O.sub.3 -containing vitreous component is contained as an auxiliary component. This establishes a low-temperature firing capability which permits Ag, Cu, Ag base alloy or Cu base alloy to be used as an internal conductor. A choice of a compositional ratio of the main component enables a choice of a temperature coefficient while a choice of the content of the auxiliary component enables a choice of a sintering temperature. It is further possible to control the crystalline structure, dielectric constant, Q value, temperature coefficient, insulation resistance (IR) and grain size of the composition by adding a Cu oxide, Ni oxide, Mn oxide, and Si oxide and adjusting their contents.

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