Patents Assigned to Dongguan Hualuo Electronics Co., Ltd.
  • Patent number: 11655554
    Abstract: A method for preparing an electrode of an inductive component, includes: S1: performing surface insulation treatment, specifically including: placing an inductive component in a tilting and rotating spraying pot, and performing thermal spraying on resin by using a fixed spray gun for surface insulation treatment; S2: exposing an inner electrode, specifically including: processing an electrode area through laser or mechanical polishing to expose the inner electrode; S3: performing surface pretreatment, specifically including: performing degreasing and surface pretreatment with ultrasound in a special solution; S4: performing surface activation treatment, specifically including: performing surface activation treatment with ultrasound in a low-concentration acid solution; S5: electroplating to form a metal layer, specifically including: electroplating to form an electroplated copper layer first, then electroplating to form an electroplated nickel layer, and finally electroplating to form an electroplated tin lay
    Type: Grant
    Filed: December 13, 2020
    Date of Patent: May 23, 2023
    Assignee: Dongguan Hualuo Electronics Co., Ltd.
    Inventors: Hao Qin, Mingliang Xiang