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In January 2004, the relevant unit in China proposed a new invention, namely: the preparation process of tungsten bronze structure high-temperature ceramics of lead niobate. The invention relates to a high-temperature piezoelectric ceramics, including a powder material synthesis process using nanometer raw materials, combining briquettes and powders, and high and low temperature, improving the conditions of ball milling, strictly controlling the sintering temperature, shortening the holding time, and appropriately fast cooling speeds. Cold processing accuracy and increased polarization power. Using the technology of the invention, the preparation amount of the ceramic powder can be increased to 10 kg, and the body density, insulation resistance, piezoelectric performance and consistency of the ceramic component are improved, and the product yield is also improved, and the technology is simple. Easy to master.