A kind of low temperature co-fired ceramic material and preparation method thereof
A technology of low-temperature co-fired ceramics and low-temperature sintered ceramics, applied in the field of ceramic materials, can solve the problems of poor bending strength, uneven substrate composition, insufficient bonding strength of the outer conductor film of the substrate, etc., to improve bending strength, improve product quality, reduce The effect of the effect of the uniformity of the ceramic material
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Embodiment 1
[0030]According to a certain mass ratio, silicon oxide, boron oxide, titanium oxide, aluminum oxide, iron oxide, and raw materials with a particle size of less than 3.0 μm are wet-mixed. During the mixing process, ultrasonic dispersion is used for 2 hours to obtain a mixed raw material A. The mixed raw material A After spray-drying, it was calcined at 850° C. for 3 hours to obtain raw material powder B. Then add a certain amount of nano-TaC and an appropriate amount of polyvinyl butyral, di-n-butyl phthalate and water glass to the raw material powder B, and make ceramic slurry after ultrasonic dispersion, dry and mix the ceramic slurry Fill the material into the mold and shape it by hot pressing to obtain the ceramic green sheet C. Put the ceramic green sheet C into the cavity of the microwave sintering furnace for sintering for 5 hours at a sintering temperature of 850°C. Then cool down to 500°C at 5°C / min, turn off the microwave source, and cool naturally to obtain a plate-s...
Embodiment 2
[0032] According to a certain mass ratio, silicon oxide, boron oxide, titanium oxide, aluminum oxide, iron oxide, and magnesium oxide with a particle size of less than 3.0 μm were wet-mixed. During the mixing process, ultrasonic dispersion was used for 2 hours to obtain a mixed raw material A, which was mixed Raw material A was spray-dried and calcined at 850° C. for 3 hours to obtain raw material powder B. Then add a certain amount of nano-TaC and an appropriate amount of polyvinyl butyral, di-n-butyl phthalate and water glass to the raw material powder B, and make ceramic slurry after ultrasonic dispersion, dry and mix the ceramic slurry Fill the material into the mold and shape it by hot pressing to obtain the ceramic green sheet C. Put the ceramic green sheet C into the cavity of the microwave sintering furnace for sintering for 5 hours at a sintering temperature of 850°C. Then cool down to 500°C at 5°C / min, turn off the microwave source, and cool naturally to obtain a pla...
Embodiment 3
[0034] According to a certain mass ratio, the silicon oxide, boron oxide, titanium oxide, aluminum oxide, and zinc oxide raw materials with a particle size below 3.0 μm were wet-mixed. During the mixing process, ultrasonic dispersion was used for 2 hours to obtain a mixed raw material A. The mixed raw material A was After spray drying, it was calcined at 850° C. for 3 hours to obtain raw material powder B. Then add a certain amount of nano-TaC and an appropriate amount of polyvinyl butyral, di-n-butyl phthalate and water glass to the raw material powder B, and make ceramic slurry after ultrasonic dispersion, dry and mix the ceramic slurry Fill the material into the mold and shape it by hot pressing to obtain the ceramic green sheet C. Put the ceramic green sheet C into the cavity of the microwave sintering furnace for sintering for 5 hours at a sintering temperature of 850°C. Then cool down to 500°C at 5°C / min, turn off the microwave source, and cool naturally to obtain a plat...
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