Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ultralow-temperature sintered X7R dielectric material, preparation method and product prepared from ultralow-temperature sintered X7R dielectric material
The invention discloses an X7R dielectric material sintered at an ultralow temperature. The X7R dielectric material is prepared from the following raw materials in percentage by weight: a modifying agent and a sintering agent, wherein the modifying agent is prepared from the following raw materials in percentage by weight: 0.5 to 3 percent of Gd2O3, 0.2 to 1.5 percent of Nb2O5, 0.1 to 0.3 percent of MnO2, 0.15 to 1.5 percent of WO3 and 0 to 1.5 percent of CeO2; the cooling agent is prepared from the following components in percentage by weight: 0 to 1 percent of CuO, 1.0 to 6 percent of ZnO-B2O3 glass and 0.5 to 6 percent of Bi2O3-B2O3 glass; the balance is BaTiO3; the preparation method comprises the following steps: weighing BaTiO3, a modifier and a cooling agent according to a ratio, carrying out ball milling, drying, and sieving to obtain a ceramic material; and adding paraffin into the prepared ceramic material, granulating, pressing into a wafer by using a hydraulic machine, heating to the temperature of less than or equal to 950 DEG C, and sintering for 2-4 hours, thereby obtaining the ceramic. The dielectric material disclosed by the invention has the characteristics of high dielectric constant, low dielectric loss and small capacitance temperature change rate, and can be used at low frequency and high frequency at the same time.
本发明公开了一种超低温烧结的X7R介质材料，包括以下重量百分数的原料：改性剂：0.5～3％Gd2O3，0.2～1.5％Nb2O5，0.1～0.3％MnO2，0.15～1.5％WO3和0～1.5％CeO2；降温剂：0～1％CuO，1.0～6％ZnO‑B2O3玻璃和0.5～6％Bi2O3‑B2O3玻璃；余量为BaTiO3；其制备方法包括：将BaTiO3、改性剂、降温剂按比例称取进行球磨后，烘干、过筛得到瓷料；再向制备好的瓷料中加入石蜡造粒，使用液压机压成圆片，升温至≤950℃，烧结2～4小时即得；本发明的介质材料具有高介、低介质损耗、电容量温度变化率小的特性，可同时满足在低频和高频下的使用。
Ultralow-temperature sintered X7R dielectric material, preparation method and product prepared from ultralow-temperature sintered X7R dielectric material
The invention discloses an X7R dielectric material sintered at an ultralow temperature. The X7R dielectric material is prepared from the following raw materials in percentage by weight: a modifying agent and a sintering agent, wherein the modifying agent is prepared from the following raw materials in percentage by weight: 0.5 to 3 percent of Gd2O3, 0.2 to 1.5 percent of Nb2O5, 0.1 to 0.3 percent of MnO2, 0.15 to 1.5 percent of WO3 and 0 to 1.5 percent of CeO2; the cooling agent is prepared from the following components in percentage by weight: 0 to 1 percent of CuO, 1.0 to 6 percent of ZnO-B2O3 glass and 0.5 to 6 percent of Bi2O3-B2O3 glass; the balance is BaTiO3; the preparation method comprises the following steps: weighing BaTiO3, a modifier and a cooling agent according to a ratio, carrying out ball milling, drying, and sieving to obtain a ceramic material; and adding paraffin into the prepared ceramic material, granulating, pressing into a wafer by using a hydraulic machine, heating to the temperature of less than or equal to 950 DEG C, and sintering for 2-4 hours, thereby obtaining the ceramic. The dielectric material disclosed by the invention has the characteristics of high dielectric constant, low dielectric loss and small capacitance temperature change rate, and can be used at low frequency and high frequency at the same time.
本发明公开了一种超低温烧结的X7R介质材料，包括以下重量百分数的原料：改性剂：0.5～3％Gd2O3，0.2～1.5％Nb2O5，0.1～0.3％MnO2，0.15～1.5％WO3和0～1.5％CeO2；降温剂：0～1％CuO，1.0～6％ZnO‑B2O3玻璃和0.5～6％Bi2O3‑B2O3玻璃；余量为BaTiO3；其制备方法包括：将BaTiO3、改性剂、降温剂按比例称取进行球磨后，烘干、过筛得到瓷料；再向制备好的瓷料中加入石蜡造粒，使用液压机压成圆片，升温至≤950℃，烧结2～4小时即得；本发明的介质材料具有高介、低介质损耗、电容量温度变化率小的特性，可同时满足在低频和高频下的使用。
Ultralow-temperature sintered X7R dielectric material, preparation method and product prepared from ultralow-temperature sintered X7R dielectric material
一种超低温烧结的X7R介质材料、制备方法及其制备的产品
LIU YANGQIONG (Autor:in) / WANG XINGCAI (Autor:in) / NA WENJU (Autor:in) / JIANG JUNJUN (Autor:in)
08.12.2023
Patent
Elektronische Ressource
Chinesisch
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