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Glass ceramic dielectric material, sintered body, and high-frequency circuit member
Provided are: a glass ceramic dielectric material which can be fired at a temperature of 1000 DEG C or less and which has low dielectric properties and a high thermal expansion coefficient in a high-frequency region of 20 GHz or more; this glass ceramic dielectric material is characterized by containing a crystalline glass powder and an alpha quartz powder, the content of the crystalline glass powder being 50-90% by mass, the content of the alpha quartz powder being 10-50% by mass, and the crystalline glass powder containing, as a glass composition, 40-60% by mass of SiO2, 20-40% by mass of CaO, 15-30% by mass of MgO, 1-8% by mass of Al2O3, and 0.05-1% by mass of CuO.
本发明提供玻璃陶瓷电介质材料、烧结体及高频用电路部件，能够在1000℃以下的温度下进行烧成，而且在于20GHz以上的高频区域具有低介电特性和高热膨胀系数。本发明的玻璃陶瓷电介质材料的特征在于，含有结晶性玻璃粉末和α石英粉末，结晶性玻璃粉末的含量为50～90质量％，α石英粉末的含量为10～50质量％，并且，结晶性玻璃粉末以质量％计含有SiO240～60％、CaO 20～40％、MgO 15～30％、Al2O31～8％、CuO 0.05～1％作为玻璃组成。
Glass ceramic dielectric material, sintered body, and high-frequency circuit member
Provided are: a glass ceramic dielectric material which can be fired at a temperature of 1000 DEG C or less and which has low dielectric properties and a high thermal expansion coefficient in a high-frequency region of 20 GHz or more; this glass ceramic dielectric material is characterized by containing a crystalline glass powder and an alpha quartz powder, the content of the crystalline glass powder being 50-90% by mass, the content of the alpha quartz powder being 10-50% by mass, and the crystalline glass powder containing, as a glass composition, 40-60% by mass of SiO2, 20-40% by mass of CaO, 15-30% by mass of MgO, 1-8% by mass of Al2O3, and 0.05-1% by mass of CuO.
本发明提供玻璃陶瓷电介质材料、烧结体及高频用电路部件，能够在1000℃以下的温度下进行烧成，而且在于20GHz以上的高频区域具有低介电特性和高热膨胀系数。本发明的玻璃陶瓷电介质材料的特征在于，含有结晶性玻璃粉末和α石英粉末，结晶性玻璃粉末的含量为50～90质量％，α石英粉末的含量为10～50质量％，并且，结晶性玻璃粉末以质量％计含有SiO240～60％、CaO 20～40％、MgO 15～30％、Al2O31～8％、CuO 0.05～1％作为玻璃组成。
Glass ceramic dielectric material, sintered body, and high-frequency circuit member
玻璃陶瓷电介质材料、烧结体及高频用电路部件
UMAYAHARA YOSHIO (author)
2023-12-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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