FREQUENCY-STABLE LOW-DIELECTRIC MICROWAVE DIELECTRIC CERAMIC MATERIAL AND PREPARATION METHOD THEREOF
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United States of America Patent
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Issued Date -
Dec 28, 2023
app pub date -
Mar 31, 2021
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Mar 31, 2021
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Abstract
The present invention relates to a frequency-stable low-dielectric microwave dielectric ceramic material and a preparation method thereof. The material is prepared from the following components in percentage by mass: 70-90% of a main-phase ceramic material A, 10-30% of an auxiliary-phase ceramic material B and 0-1.0% of an oxide sintering aid C. The main-phase ceramic material A is MgxMeySiO2+x+y; the auxiliary-phase ceramic material B is composed of αRO-bRe2O3-cTiO2, R is at least one of Ca or Sr, Re2O3 is at least two of Sm2O3, Nd2O3, Y2O3, Al2O3 and La2O3; and the oxide sintering aid C is at least one of MnO2, WO3 and CeO2.
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