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Microwave dielectric ceramic material with low dielectric constant as well as preparation method and application of microwave dielectric ceramic material
The invention discloses a low-dielectric-constant microwave dielectric ceramic material, the composition expression of which is aMgO-bSiO2-cBaCO3-dZnO-eCaCO3-fAl2O3, a, b, c, d, e and f respectively represent mass percentages, and meet the following conditions: 25% < = a < = 29%, 29% < = b < = 33%, 19% < = c < = 23%, 11% < = d < = 15%, 3% < = e < = 7%, and 0.5% < = f < = 2.5%. The invention also discloses a preparation method and application of the microwave dielectric ceramic material. The microwave dielectric ceramic disclosed by the invention can keep the following microwave properties under the condition of low-temperature sintering (850-900 DEG C): the dielectric constant Dk is 7 +/-1, the dielectric loss Df is less than or equal to 0.1%, and the absolute value of the temperature coefficient of resonance frequency tau f is less than 30ppm/DEG C.
本发明公开了一种低介电常数微波介质陶瓷材料，其组成表达式为aMgO‑bSiO2‑cBaCO3‑dZnO‑eCaCO3‑fAl2O3，其中，a、b、c、d、e、f分别表示质量百分比，并满足以下条件：25％≤a≤29％，29％≤b≤33％，19％≤c≤23％，11％≤d≤15％，3％≤e≤7％，0.5％≤f≤2.5％。本发明还公开了该微波介质陶瓷材料的制备方法和应用。本发明的微波介质陶瓷可以在低温烧结(850～900℃)的条件下保持以下的微波性能：介电常数Dk＝7±1，介质损耗Df≤0.1％，谐振频率温度系数τf的绝对值小于30ppm/℃。
Microwave dielectric ceramic material with low dielectric constant as well as preparation method and application of microwave dielectric ceramic material
The invention discloses a low-dielectric-constant microwave dielectric ceramic material, the composition expression of which is aMgO-bSiO2-cBaCO3-dZnO-eCaCO3-fAl2O3, a, b, c, d, e and f respectively represent mass percentages, and meet the following conditions: 25% < = a < = 29%, 29% < = b < = 33%, 19% < = c < = 23%, 11% < = d < = 15%, 3% < = e < = 7%, and 0.5% < = f < = 2.5%. The invention also discloses a preparation method and application of the microwave dielectric ceramic material. The microwave dielectric ceramic disclosed by the invention can keep the following microwave properties under the condition of low-temperature sintering (850-900 DEG C): the dielectric constant Dk is 7 +/-1, the dielectric loss Df is less than or equal to 0.1%, and the absolute value of the temperature coefficient of resonance frequency tau f is less than 30ppm/DEG C.
本发明公开了一种低介电常数微波介质陶瓷材料，其组成表达式为aMgO‑bSiO2‑cBaCO3‑dZnO‑eCaCO3‑fAl2O3，其中，a、b、c、d、e、f分别表示质量百分比，并满足以下条件：25％≤a≤29％，29％≤b≤33％，19％≤c≤23％，11％≤d≤15％，3％≤e≤7％，0.5％≤f≤2.5％。本发明还公开了该微波介质陶瓷材料的制备方法和应用。本发明的微波介质陶瓷可以在低温烧结(850～900℃)的条件下保持以下的微波性能：介电常数Dk＝7±1，介质损耗Df≤0.1％，谐振频率温度系数τf的绝对值小于30ppm/℃。
Microwave dielectric ceramic material with low dielectric constant as well as preparation method and application of microwave dielectric ceramic material
一种低介电常数微波介质陶瓷材料及其制备方法和应用
YOSHIGISHI (Autor:in) / KIM JIN YONG (Autor:in) / ZHANG BIN (Autor:in)
13.02.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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