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Low-fire microwave dielectric compositions

机译:低火微波介电组合物

摘要

The present invention relates to a dielectric composition which can be densified at a temperature no higher than 1000° C. and can provide ceramic products with a dielectric constant of 20 to 45 and a quality constant of 1000 to 1300 at 7 GHz. The dielectric composition comprises 20-90 vol % borosilicate glass and 10-80 vol % TiO2 ceramic. Multilayered microwave dielectric ceramic elements can be prepared by mixing the composition of the present invention with an organic solvent, a polymer binder and a plasticizer, forming a green sheet from the mixture by tape casting, screen-printing and laminating the green sheet, and then cofiring the multilayer ceramic laminate with a high electrical conductivity metal, such as Ag and Cu.
机译:本发明涉及可以在不高于1000℃的温度下致密化的介电组合物。可以提供介电常数为20到45,质量常数在7 GHz时为1000到1300的陶瓷产品。该介电组合物包含20-90体积%的硼硅酸盐玻璃和10-80体积%的TiO 2 陶瓷。可以通过将本发明的组合物与有机溶剂,聚合物粘合剂和增塑剂混合,通过流延流延,丝网印刷和层压该生片而由该混合物形成生片来制备多层微波介电陶瓷元件。将多层陶瓷层压板与高导电性金属(例如Ag和Cu)共烧。

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