Method for removing oxide layer on surface of golden finger
A technology of surface oxidation and gold finger, which is applied in the field of gold finger treatment, can solve problems such as limited effect, product damage, and inability to remove the surface oxide layer, so as to achieve the effects of improving service life, high removal efficiency, and increasing anti-oxidation performance
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[0037]Example 1
[0038]The embodiment of the present invention provides a method for removing an oxide layer on the surface of a gold finger, including:
[0039]S1. Preprocessing the gold fingers to be removed, including the following sub-steps:
[0040]S1a. Use ethanol to wipe the golden fingers to be removed;
[0041]S1b. Use hydrofluoric acid, ammonium fluoride, and water to prepare cleaning solutions in a weight ratio of 0.5:2:20;
[0042]S1c. Immerse the golden finger in the cleaning solution for a preset time, and the preset time is 10 seconds;
[0043]S1d. Wash the gold fingers with pure water and dry the gold fingers;
[0044]S2. Set the scanning parameters according to the length, width and position distribution of the golden finger;
[0045]S3. Set the laser parameters according to the oxide layer distribution. The laser parameters include: laser wavelength 1064nm, laser energy density 50mJ / cm2, Scan rate 0.1mm / s, scan frequency once;
[0046]S4. Perform laser beam scanning on the gold finger accor...
Example Embodiment
[0051]Example 2
[0052]The embodiment of the present invention provides a method for removing an oxide layer on the surface of a gold finger, including:
[0053]S1. Preprocessing the gold fingers to be removed, including the following sub-steps:
[0054]S1a. Use ethanol to wipe the golden fingers to be removed;
[0055]S1b. Prepare cleaning solutions with hydrofluoric acid, ammonium fluoride, and water in a weight ratio of 3:5:40;
[0056]S1c. Immerse the golden finger in the cleaning solution for a preset time, and the preset time is 60 seconds;
[0057]S1d. Wash the gold fingers with pure water and dry the gold fingers;
[0058]S2. Set the scanning parameters according to the length, width and position distribution of the golden finger;
[0059]S3. Set the laser parameters according to the oxide layer distribution, the laser parameters include: laser wavelength 1064nm, laser energy density 200mJ / cm2, Scan rate 2mm / s, scan frequency 6 times;
[0060]S4. Perform laser beam scanning on the gold finger accordi...
Example Embodiment
[0065]Example 3
[0066]The embodiment of the present invention provides a method for removing an oxide layer on the surface of a gold finger, including:
[0067]S1. Preprocessing the gold fingers to be removed, including the following sub-steps:
[0068]S1a. Use ethanol to wipe the golden fingers to be removed;
[0069]S1b. Use hydrofluoric acid (purity 40%), ammonium fluoride (purity 96%), and water to prepare a cleaning solution in a weight ratio of 1:3:25, stir well during the preparation process, and then stand for 20 minutes;
[0070]S1c. Immerse the golden finger in the cleaning solution for a preset time, and the preset time is 30 seconds;
[0071]S1d. Wash the gold fingers with pure water and dry the gold fingers;
[0072]S2. Set the scanning parameters according to the length, width and position distribution of the golden finger;
[0073]S3. Set the laser parameters according to the oxide layer distribution. The laser parameters include: laser wavelength 1064nm, laser energy density range 100mJ / c...
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