Preliminary treatment method for electroplating of chip ferrite product
A pre-plating treatment and ferrite technology, which is applied in the field of pre-plating treatment of chip ferrite products, can solve the problems of product unevenness, decreased welding performance of products with coating thickness, etc.
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Embodiment 1
[0024] Embodiment 1: The electroplating pretreatment method of ferrite products includes the following steps:
[0025] 1. Dissolve EDTA in water, adjust the pH to 7 with NaOH solution to increase the solubility, and prepare a saturated aqueous solution of EDTA.
[0026] 2. Put the semi-finished ferrite product in a glass containing a saturated aqueous solution of EDTA and soak, and the volume ratio of the semi-finished ferrite product to the saturated aqueous solution of EDTA is 1:2.
[0027] 3. Put the glass in the water of the ultrasonic cleaning equipment, the height of the water level is 2 / 3 of the height of the glass, and the vibration time is 10 minutes.
[0028] 4. Take out the processed ferrite semi-finished product and wash it with 80℃ pure water 5 times to complete the electroplating pretreatment process of the ferrite product.
[0029] Electroplating the above semi-finished ferrite after electroplating pre-treatment: electroplating a nickel layer and a tin layer outside the s...
Embodiment 2
[0033] Embodiment 2: The electroplating pretreatment method of ferrite products includes the following steps:
[0034] 1. Dissolve EDTA in water, adjust the pH to 7 with NaOH solution to increase the solubility, and prepare a saturated aqueous solution of EDTA.
[0035] 2. Put the semi-finished ferrite in a glass containing a saturated aqueous solution of EDTA and soak for 10 hours. The volume ratio of the semi-finished ferrite to the saturated aqueous solution of EDTA is 1:2.
[0036] 3. Take out the processed ferrite semi-finished product and wash it with pure water at 80°C for 5 times to complete the electroplating pretreatment process of the ferrite product.
[0037] Electroplating the above semi-finished ferrite after electroplating pre-treatment: electroplating a nickel layer and a tin layer outside the silver end by barrel plating to obtain image 3 As shown in the finished ferrite inductor 6, the iron ions on the surface of the magnet of the ferrite inductor finished substrate...
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