Low-fire high-permittivity dielectric compositions

Details Low-fire high-permittivity dielectric compositions Low-fire high-permittivity dielectric compositions

2007-01-09

2007-01-09

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

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

Reexamination Certificate

active

11365165

ABSTRACT:
A dielectric composition that can be fired at a temperature of below 900° C. The dielectric composition has a dielectric constant of 25–35 and a quality factor (Qxf) of 6,000–20,000 GHz. The composition comprises 3–16 wt % of K2O—Na2O—Li2O—B2O3—SiO2system glass frit and 84–97 wt % of BaO—TiO2system dielectric ceramics. The composition can be effectively applied to construct a part of a ceramic multi-layer packaging as a resonator form such as a filter or an antenna, etc.

REFERENCES:
patent: 6107228 (2000-08-01), Sugimoto et al.
patent: 6472074 (2002-10-01), Sugimoto
patent: 19749858 (1997-11-01), None

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