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Low-dielectric low-loss high-strength LTCC (Low Temperature Co-Fired Ceramic) material and preparation method thereof
The invention discloses a low-dielectric low-loss high-strength LTCC material and a preparation method thereof, belongs to the field of electronic ceramics and manufacturing thereof, and relates to the low-dielectric low-loss high-strength LTCC material and the preparation method thereof. The material is a Li2O-Ca0-MgO-CoO-SiO2-based micro LTCC (Low Temperature Co-Fired Ceramic) material, the chemical formula of the material is xLi2O-Ca0-(1-x-y) MgO-yCoO-2SiO2 (x is equal to 0-0.2 mol, and y is equal to 0-0.5), and the material is prepared by a solid-phase reaction method; and the crystal phase after sintering is a mixed phase of CaMg (SiO3) 2 (JCPDS # 00-019-0239), Ca2CoSi2O7 (JCPDS # 01-070-5361), CaSiO3 (JCPDS # 00-027-1064) and Co2SiO4 (JCPDS # 00-025-0254). According to the invention, the sintering temperature is 880-925 DEG C, the dielectric constant is 5-8, the loss is as low as 2.8 * 10 <-4 > (f = 12GHz), and the bending strength exceeds 200MPa. The component ceramic is high in quality factor and high in bending strength, and can be applied to the fields of LTCC filters, microwave antennas, inductors and the like. The preparation process is simple, and the performance is excellent.
一种低介低损耗高强度LTCC材料及其制备方法,本发明属于电子陶瓷及其制造领域，涉及一种低介低损耗高强度LTCC材料及其制备方法。本发明材料为Li2O‑Ca0‑MgO‑CoO‑SiO2基微LTCC材料，其材料化学式为xLi2O‑Ca0‑(1‑x‑y)MgO‑yCoO‑2SiO2(x＝0‑0.2mol,y＝0‑0.5)，通过固相反应法制备；烧结后的晶相为CaMg(SiO3)2(JCPDS#00‑019‑0239)、Ca2CoSi2O7(JCPDS#01‑070‑5361)、CaSiO3(JCPDS#00‑027‑1064)和Co2SiO4(JCPDS#00‑025‑0254)混合相。本发明烧结温度880℃～925℃，介电常数5～8，损耗低至2.8×10‑4(f＝12GHz)，抗弯强度超过200MPa。该组分陶瓷品质因素高，抗弯强度高，能够应用在LTCC滤波器、微波天线、电感等领域。本发明制备工艺简单，性能优异。
Low-dielectric low-loss high-strength LTCC (Low Temperature Co-Fired Ceramic) material and preparation method thereof
The invention discloses a low-dielectric low-loss high-strength LTCC material and a preparation method thereof, belongs to the field of electronic ceramics and manufacturing thereof, and relates to the low-dielectric low-loss high-strength LTCC material and the preparation method thereof. The material is a Li2O-Ca0-MgO-CoO-SiO2-based micro LTCC (Low Temperature Co-Fired Ceramic) material, the chemical formula of the material is xLi2O-Ca0-(1-x-y) MgO-yCoO-2SiO2 (x is equal to 0-0.2 mol, and y is equal to 0-0.5), and the material is prepared by a solid-phase reaction method; and the crystal phase after sintering is a mixed phase of CaMg (SiO3) 2 (JCPDS # 00-019-0239), Ca2CoSi2O7 (JCPDS # 01-070-5361), CaSiO3 (JCPDS # 00-027-1064) and Co2SiO4 (JCPDS # 00-025-0254). According to the invention, the sintering temperature is 880-925 DEG C, the dielectric constant is 5-8, the loss is as low as 2.8 * 10 <-4 > (f = 12GHz), and the bending strength exceeds 200MPa. The component ceramic is high in quality factor and high in bending strength, and can be applied to the fields of LTCC filters, microwave antennas, inductors and the like. The preparation process is simple, and the performance is excellent.
一种低介低损耗高强度LTCC材料及其制备方法,本发明属于电子陶瓷及其制造领域，涉及一种低介低损耗高强度LTCC材料及其制备方法。本发明材料为Li2O‑Ca0‑MgO‑CoO‑SiO2基微LTCC材料，其材料化学式为xLi2O‑Ca0‑(1‑x‑y)MgO‑yCoO‑2SiO2(x＝0‑0.2mol,y＝0‑0.5)，通过固相反应法制备；烧结后的晶相为CaMg(SiO3)2(JCPDS#00‑019‑0239)、Ca2CoSi2O7(JCPDS#01‑070‑5361)、CaSiO3(JCPDS#00‑027‑1064)和Co2SiO4(JCPDS#00‑025‑0254)混合相。本发明烧结温度880℃～925℃，介电常数5～8，损耗低至2.8×10‑4(f＝12GHz)，抗弯强度超过200MPa。该组分陶瓷品质因素高，抗弯强度高，能够应用在LTCC滤波器、微波天线、电感等领域。本发明制备工艺简单，性能优异。
Low-dielectric low-loss high-strength LTCC (Low Temperature Co-Fired Ceramic) material and preparation method thereof
一种低介低损耗高强度LTCC材料及其制备方法
CHEN YAWEI (Autor:in) / ZHOU ZHIBIN (Autor:in) / CHEN ZHIYUAN (Autor:in) / LIANG QIXIN (Autor:in) / JIAN LIYONG (Autor:in)
10.11.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024