FPC negative correction method

FPC negative correction method

1. In the case of mastering the operational technology of digital programmers, first install the negatives and drilling test boards, measure the length and width of the two deformations, and put the length or shorten the hole position according to the size of the deformation in the digital programmer. Trendness and accuracy. This method is called "changing the hole position method".

2. For the physical phenomenon that changes with the temperature and humidity of the negatives, take out the negatives in the sealed bag before copying the negatives, and hang it in the working environment for 4-8 hours, so that the negatives will be deformed before copying.

3. For graphics with simple lines, large line width and long distance, and irregular deformation, you can use the hole position of the deformation part of the negatives to cut the diamond test board and then copy it before copying. This method is called the "cutting method".

4. Use the holes on the test board to place the pads of the pad to re -deform the line to ensure the minimum ring width technical requirements. This method is called the "pad overlap method".

5. After amplifying the graphics on the deformation negatives, the map is replaced, which is called the "Patching method".

6. Use the camera to enlarge or shrink the deformed graphic, which is called the "illumination method".