heavy copper PCB
Heavy Copper PCB, pcb fabrication up to 12oz, large current, pcb fabrication base material is FR4/Teflon/Ceramic, pcb fabrication used in high-power power supply and motor circuits products. HUIHE CIRCUITS is one of the heavy copper PCB manufacturers, we have passed ISO9001/ISO13485/IATF16949/UL/RoHS/REACH certification.
heavy copper PCB List
The Heavy Copper PCB plating process must achieve the following aspects:
- 1. Add a certain value according to the area value calculated by the computer and the empirical constant accumulated in the actual production to ensure the integrity of the plating layer in the hole.
- 2. When the circuit board is electroplated for 5 minutes, take out the substrate and observe whether the copper layer on the surface and the inner wall of the hole is intact. It is better that all the holes have a metallic luster.
- 3. A certain distance must be maintained between the substrate and the substrate.
- 4. When the heavy copper PCB reaches the required electroplating time, a certain amount of current must be maintained during the removal of the substrate to ensure that the surface of the substrate and the hole will not be blackened or darkened.
- 5. According to the mechanical processing floppy disk for trial processing, the first part pre-inspection is carried out, and all the workpieces are processed after meeting the technological requirements.
Heavy Copper PCB quality control
- 1. Strictly implement the first article inspection system to ensure that the product size meets the design requirements.
- 2. According to the raw materials of different types of pcb boards, reasonably select the milling process parameters.
- 3. When fixing the position of the circuit board, carefully clamp it so as not to damage the solder layer and solder mask on the surface of the circuit board.
- 4. To ensure the consistency of the substrate dimensions, the position accuracy must be strictly controlled.
- 5. When disassembling and assembling, pay special attention to the barrier layer of the substrate and pad paper to avoid damage to the coating layer on the surface of the circuit board.
HUIHE CIRCUITS Provides PCB Manufacturing Service
- +86 135 3751 8062
- Building 2, Xinda Industrial Park, Luyuan Avenue, Xinfeng County, Ganzhou City, Jiangxi Province