Preparation method for high-power thin-film capacitor
A film capacitor, high-power technology, applied in the field of high-power film capacitor preparation, can solve the problems of large demand, high price, and difficult to meet the film, and achieve the effect of reducing size, long service life and small size
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Embodiment 1
[0019] A preparation method of a high-power film capacitor proposed by the present invention, the plastic film is placed in a vacuum high-temperature environment, the temperature of the vacuum high-temperature environment is 1080°C, and the pressure of the vacuum high-temperature environment is 0.35Pa, and then the composite ceramic powder is melted and evaporated Coating on the surface of the base film, vapor-depositing zinc-aluminum composite metal on the surface of the composite ceramic layer to obtain a metallized film electrode, and then winding the metallized film electrode to obtain a high-power film capacitor; wherein the raw materials of the plastic film include by weight: 55 parts of polypropylene, 38 parts of epoxy resin, 22 parts of melamine formaldehyde resin, 16 parts of chlorosulfonated polyethylene, 16 parts of phenylene ether silicone rubber, 14 parts of copper oxide, 5 parts of titanium diboride, 15 parts of barium sulfate, 6 parts of glass fiber, 6 parts of z...
Embodiment 2
[0023] A preparation method of a high-power film capacitor proposed by the present invention, the plastic film is placed in a vacuum high-temperature environment, the temperature of the vacuum high-temperature environment is 1120°C, and the pressure of the vacuum high-temperature environment is 0.2Pa, and then the composite ceramic powder is fused and evaporated Coating on the surface of the base film, vapor-depositing zinc-aluminum composite metal on the surface of the composite ceramic layer to obtain a metallized film electrode, and then winding the metallized film electrode to obtain a high-power film capacitor; wherein the raw materials of the plastic film include by weight: 60 parts of polypropylene, 35 parts of epoxy resin, 25 parts of melamine formaldehyde resin, 13 parts of chlorosulfonated polyethylene, 19 parts of phenylene ether silicone rubber, 11 parts of copper oxide, 8 parts of titanium diboride, 12 parts of barium sulfate, 9 parts of glass fiber, 3 parts of zir...
Embodiment 3
[0027] A method for preparing a high-power film capacitor proposed by the present invention, the plastic film is placed in a vacuum high-temperature environment, the temperature of the vacuum high-temperature environment is 1100°C, and the pressure of the vacuum high-temperature environment is 0.25Pa, and then the composite ceramic powder is fused and evaporated Coating on the surface of the base film, vapor-depositing zinc-aluminum composite metal on the surface of the composite ceramic layer to obtain a metallized film electrode, and then winding the metallized film electrode to obtain a high-power film capacitor; wherein the raw materials of the plastic film include by weight: 58 parts of polypropylene, 36 parts of epoxy resin, 24 parts of melamine formaldehyde resin, 14 parts of chlorosulfonated polyethylene, 18 parts of phenylene ether silicone rubber, 12 parts of copper oxide, 7 parts of titanium diboride, 13 parts of barium sulfate, 8 parts of glass fiber, 4 parts of zir...
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