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Small-resistance semiconductor ceramic resistor, manufacturing method thereof and linear controller structure
The invention discloses a small-resistance semiconductor ceramic resistor which comprises a semiconductor resistor body, and the chemical general formula of the components of the semiconductor resistor body is Ba (1-x-y) Sr (x) Pb (y) Ti (1 + z) O (3 + 2z). The preparation method comprises the following steps: S1, mixing the raw materials of BaCO3, SrCO3, Pb3O4, TiO2, Y2O3 and MnO2, and carrying out ball milling on the raw materials of BaCO3, SrCO3, Pb3O4, TiO2, Y2O3 and MnO2; s2, after ball milling is completed, the materials are dried and subjected to heat preservation for 2-5 h for presintering in the environment of 1000-1200 DEG C, and a presintered material is obtained; s3, carrying out ball milling on the pre-sintered material, drying after ball milling, and then adding PVA (Polyvinyl Alcohol) to carry out granulation; s4, the obtained particles are pressed in a tablet press, and blank tablets are obtained; and S5, the blank piece is subjected to glue discharging at the temperature of 600-700 DEG C and sintered, and the ceramic piece is obtained. The prepared semiconductor resistor is good in stability, can meet the requirements of low resistance and low resistivity, can be used under the low-voltage condition of 1-5V, and is suitable for constant-temperature heating elements and detection.
本发明公开了一种小电阻半导体陶瓷电阻，包括半导体电阻本体，半导体电阻本体组成成分的化学通式为：Ba(1‑x‑y)Sr(x)Pb(y)Ti(1+z)O(3+2z)。其制备方法，包括如下步骤：S1、将原材料BaCO3、SrCO3、Pb3O4、TiO2、Y2O3和MnO2混合并进行球磨；S2、球磨完成后，将上述材料进行干燥，并在1000～1200℃环境下，保温2～5小时预烧，得到预烧料；S3、将上述预烧料进行球磨，球磨后进行干燥，然后加入PVA进行造粒；S4、将上述得到的颗粒在压片机内进行压制，得到坯片；S5、将上述坯片在600～700℃温度下进行排胶，并烧结得到陶瓷片。制得的半导体电阻稳定性好，能够实现低电阻，低电阻率的要求，可以用于电压在1～5V的低电压情况下使用，适用于恒温发热体，以及检测用途。
Small-resistance semiconductor ceramic resistor, manufacturing method thereof and linear controller structure
The invention discloses a small-resistance semiconductor ceramic resistor which comprises a semiconductor resistor body, and the chemical general formula of the components of the semiconductor resistor body is Ba (1-x-y) Sr (x) Pb (y) Ti (1 + z) O (3 + 2z). The preparation method comprises the following steps: S1, mixing the raw materials of BaCO3, SrCO3, Pb3O4, TiO2, Y2O3 and MnO2, and carrying out ball milling on the raw materials of BaCO3, SrCO3, Pb3O4, TiO2, Y2O3 and MnO2; s2, after ball milling is completed, the materials are dried and subjected to heat preservation for 2-5 h for presintering in the environment of 1000-1200 DEG C, and a presintered material is obtained; s3, carrying out ball milling on the pre-sintered material, drying after ball milling, and then adding PVA (Polyvinyl Alcohol) to carry out granulation; s4, the obtained particles are pressed in a tablet press, and blank tablets are obtained; and S5, the blank piece is subjected to glue discharging at the temperature of 600-700 DEG C and sintered, and the ceramic piece is obtained. The prepared semiconductor resistor is good in stability, can meet the requirements of low resistance and low resistivity, can be used under the low-voltage condition of 1-5V, and is suitable for constant-temperature heating elements and detection.
本发明公开了一种小电阻半导体陶瓷电阻，包括半导体电阻本体，半导体电阻本体组成成分的化学通式为：Ba(1‑x‑y)Sr(x)Pb(y)Ti(1+z)O(3+2z)。其制备方法，包括如下步骤：S1、将原材料BaCO3、SrCO3、Pb3O4、TiO2、Y2O3和MnO2混合并进行球磨；S2、球磨完成后，将上述材料进行干燥，并在1000～1200℃环境下，保温2～5小时预烧，得到预烧料；S3、将上述预烧料进行球磨，球磨后进行干燥，然后加入PVA进行造粒；S4、将上述得到的颗粒在压片机内进行压制，得到坯片；S5、将上述坯片在600～700℃温度下进行排胶，并烧结得到陶瓷片。制得的半导体电阻稳定性好，能够实现低电阻，低电阻率的要求，可以用于电压在1～5V的低电压情况下使用，适用于恒温发热体，以及检测用途。
Small-resistance semiconductor ceramic resistor, manufacturing method thereof and linear controller structure
小电阻半导体陶瓷电阻及其制造方法及线性控制器结构
RUAN QINGGUO (author)
2024-05-28
Patent
Electronic Resource
Chinese
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