Quality inspection method of copper plating on flexible circuit board of camera module
A technology of flexible circuit boards and camera modules, which is applied in the direction of chemical analysis by titration, which can solve the problems of detection quality and achieve good detection results
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[0018] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with examples, which are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.
[0019] This embodiment provides a method for detecting the quality of copper plating on a flexible circuit board of a camera module, including the following steps:
[0020] Step 1: Take back the flexible circuit board after copper plating, and then dry it;
[0021] Step 2: Cut the flexible circuit board dried in step 1 into 2*2cm;
[0022] Step 3: Put a 2*2cm flexible circuit board into a 250ml transparent glass, add 25ml buffer solution to cover the flexible circuit board;
[0023] Step 4: Add 2-3 drops of hydrogen peroxide to the transparent glass in Step 3;
[0024] Step 5: Stir to dissolve all the sinking copper;
[0025] Step 6: Add 60-70ml of ethanol after all dissolved;
[0026...
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