Detection method for detecting whether flaws exist in drilling holes of FPC (Flexible Printed Circuit) semi-finished product
A detection method and technology for semi-finished products, applied in the direction of optical testing flaws/defects, etc., can solve problems such as low efficiency and difficulty in finding abnormalities
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Embodiment 1
[0020] A detection method for detecting whether there is a defect in a drilled hole of an FPC semi-finished product, comprising:
[0021] A. Production of the inspection base plate: When the FPC semi-finished product is to be drilled, a semi-transparent plate with a color difference from the FPC semi-finished product is stacked, and the holes are drilled together. The semi-transparent plate is used as the inspection base plate. Preferably, when the drilling position of the FPC semi-finished product is adjusted and the first drilling is performed (the first drilling is equivalent to 0 error, the effect is better; of course, the inspection base plate can also be made during the subsequent drilling operations), and a A semi-transparent board is stacked on the FPC semi-finished product in a good position, and the drilling operation is carried out together. When the FPC semi-finished product is drilled, the semi-transparent board is also drilled with one-to-one corresponding holes....
Embodiment 2
[0024] A detection method for detecting whether there is a defect in a drilled hole of an FPC semi-finished product, including: A, the manufacture of the inspection base plate and B, the inspection method. Wherein, A, the mode of making of inspection bottom plate is the same as embodiment 1. For B, a slight improvement is made to the counterpoint of the way of checking. The detection platform of embodiment 1 is only a flat platform surface with a bottom light on the bottom surface. In Embodiment 2, alignment pins are provided on the platform surface of the detection platform. In this way, as long as the alignment holes on the edge of the FPC semi-finished product to be inspected and the inspection base plate are inserted into the pins, rapid alignment can be performed; this can further improve the inspection efficiency.
[0025] The present invention is generally used for detection of FPC semi-finished imposition (large number of drilling holes). Of course, it can also direc...
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