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PCB Board Processing Technology (1)

PCB board processing technology, including computer-aided manufacturing processing technology, namely CAD/CAM, and light-painting technology. The following introduces computer-aided manufacturing processing technology.

Computer Aided Manufacturing (CAM) is to carry out various processing according to the specified process. For the various process requirements mentioned above, necessary preparations must be made before light painting. For example, mirroring, solder mask expansion, process line, process frame, line width adjustment, center hole, outline and other issues must be completed in the CAM process. Special attention should be paid to the places where the spacing is too small in the user file, and corresponding treatment must be made. Because the technological process and technical level of each factory are different, in order to meet the final requirements of users, necessary adjustments must be made in the production process to meet the needs of users. Therefore, CAM processing is an indispensable process in modern printed circuit manufacturing.

1. Work Done by CAM

  • Correction of pad size, combined D code.
  • Correction of line width, combined D code.
  • Check the minimum spacing, between pads and pads, between pads and lines, and between lines and lines.
  • Aperture size inspection and combination.
  • Check the minimum line width.
  • Determine the solder mask expansion parameters.
  • Mirroring.
  • Add various craft lines and craft boxes.
  • Perform line width correction to correct side erosion.
  • Form the center hole.
  • Add outline corners.
  • Add positioning holes.
  • Imposition, rotation, mirroring.
  • Patchwork.
  • Graphic overlay processing, corner cutting and tangent processing.
  • Add user logo.
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XPCB Limited is a premium PCB & PCBA manufacturer based in China.

We specialize in multilayer flexible circuits, rigid-flex PCB, HDI PCB, and Rogers PCB.

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