With the continuous development of electronic technology, data illuminating design has become more and more complicated, especially with the development of high-tech electronic products such as tablet PCs and naked-eye three-D mobile phones. Ordinary square and round pad designs cannot meet the complexity. The assembly requirements of electronic components have gradually appeared in some special-shaped pad designs, which often lead to errors in the photoplotter.
Laser photoplotter files generally have rs-274d and rs-274x formats. The biggest difference between the two formats is that the rs-274x format contains the apertuer code, which is called d-code, and the rs-274D format is data. Separated from D-code, its security is higher than rs-274x format, but the graphics processing function is relatively weak. The graphics in this format file are generally line-filled graphics, that is, whether the surface or the pad is filled graphics. Therefore, there is no phenomenon that the graphic cannot be recognized by the photoplotter. The rs-274x format is an extension of the rs-274d format, which enhances the functions of processing polygon filling, positive and negative graphic combination, and custom D code, and is currently used data. format. The graphics in this format file can contain many non-line-filled graphics. Shaped pads are commonly found in gerber data in this format, which is one of the reasons why the photoplotter often runs out of error.
The following solutions are available for the problem:
When the photoplotter is making rs-274x format data, the graphics processing stage pre-processes the profiled pad of the i274x attribute in the graphics to prevent the ray painting error caused by such conditions.
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