Multilayer chip ZnO varistor prepared by nano material and manufacturing method
A varistor and nanomaterial technology, applied in varistor core, resistor manufacturing, varistor and other directions, can solve the problem of reducing the nonlinear coefficient of varistor, increasing the leakage current of varistor, Resistance performance deterioration and other problems, to achieve the effect of saving production steps, reducing usage, and improving efficiency
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[0037] Example one
[0038] Such as figure 1 Structure shown, figure 2 As shown in the manufacturing method process, and according to the formula table 1, accurately weigh the nano-ZnO powder with an average particle size of 99nm and the oxides of various nano-powder additives with an average particle size of 99nm, and put the weighed materials into Add appropriate amount of xylene, binder, dispersant and zirconium balls to the ball mill, and ball mill for 12 hours to obtain the casting slurry, and then cast a ceramic membrane tape with a thickness of 25 microns. Ten layers of ceramic membrane tape are slightly pressurized. Obtain a membrane tape protective layer a with a thickness of about 250 microns, and print an alloy internal electrode b with a weight ratio of 75% silver and 25% palladium on the membrane tape protective layer a. After stacking, another layer of internal electrode is staggered and printed until The effective layer c is 8 layers. After isostatic water pressure...
Example Embodiment
[0040] Example two
[0041] Such as figure 1 Structure shown, figure 2 The manufacturing method flow shown, and according to the formula table 2, accurately weigh the nano-ZnO powder with an average particle size of 1nm and the oxides of various nano-powder additives with an average particle size of 1nm, and put the weighed materials into Add appropriate amount of xylene, binder, dispersant and zirconium balls to the ball mill, and ball mill for 12 hours to obtain the casting slurry, and then cast a ceramic membrane tape with a thickness of 25 microns. Ten layers of ceramic membrane tape are slightly pressurized. Obtain a membrane tape protective layer a with a thickness of about 250 microns, and print an alloy internal electrode b with a weight ratio of 89% silver and 11% palladium on the membrane tape protective layer a. After stacking, another layer of internal electrode is staggered and printed until The effective layer c is 8 layers. After isostatic water pressure is cut int...
Example Embodiment
[0043] Example three
[0044] Such as figure 1 Structure shown, figure 2 As shown in the manufacturing method flow, accurately weigh the prepared composite nanometers containing Zn and Bi, Sb, Mn, Si, Cr, Co, Ni, Al and other elements with an average particle size of 40 nm as specified in Table 3 of the formula. Oxide powder, put the weighed material into a ball mill and add an appropriate amount of xylene, binder, dispersant and zirconium ball, ball mill for 12 hours to obtain a cast slurry, and then cast a thickness of 25 microns Ceramic membrane tape, ten layers of ceramic membrane tape are slightly pressed to produce a membrane tape protective layer a with a thickness of about 250 microns, and an alloy internal electrode b with a weight ratio of 85% silver and 15% palladium is printed on the membrane tape protective layer a. After layering, print another layer of internal electrodes until the effective layer c is 8 layers. After isostatic water pressure, the green body with a...
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