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Dominant Technologies

  • Categories:About Us
  • Time of issue:2019-07-30 00:00:00
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Thick copper PCB coil board

PCB coil board made by thick copper technology has the advantages of compact structure, high conductivity and large width-to-thickness ratio. The maximum copper thickness of a common copper clad laminate is 3Oz, but the copper thickness of a PCB coil plate manufactured by using our thick copper technology can reach 12Oz on one side, which greatly improves the cross-sectional area of copper and enhances the current carrying performance. And our company has applied for the patent of the thick copper PCB coil board manufacturing technology.

Application number: CN200910086868.7

Content: The invention relates to a method for producing a coil plate, which directly punches a metal plate provided with positioning holes according to the shape required by production to form the coil, each coil plate is punched with a plurality of flat-plate primary coils and/or secondary coils, magnetic core holes are arranged in the primary and secondary coils, and the initial end connector and the end connector of the primary and secondary coils are connected with the metal plate. The invention also includes a coil board produced by the above-mentioned method and a production method for producing a multilayer board transformer