Green nano coating device and method for continuous coating of micron-sized bonding wire rod
A bonding wire and micron-level technology, which is applied in the field of green nano-coating devices for continuous coating of micron-level bonding wires, can solve problems such as unstable coating quality and natural ecological environment hazards of organic halogen compounds, and achieve the goal of ensuring coating quality. Effect of plating process, strengthening bonding strength and improving utilization rate
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Embodiment 1
[0040] The present embodiment provides a kind of coating solution, and this coating solution comprises the following components by mass percentage: size is the nano-palladium 15% of 10nm, solvent 77%, additive 8%; Wherein, according to mass percentage, solvent comprises 22% Ethanol, 20% ethylene glycol, 20% polyethylene glycol 600 and 15% polyethylene glycol 800; additives include dispersant (3% oleic acid and 0.5% octylphenol ethoxylate), corrosion inhibitor (2 % modified phytate), film former (2% polyacrylamide modified rosin) and regulator (0.5% glutamic acid).
[0041] The preparation method of the coating solution in this embodiment is as follows: first, the additive is dissolved in a solvent to obtain a solution; then 10nm nano-palladium is added to the above solution, first stirred for 6 hours and then ultrasonically for 12 hours to form a uniform coating solution, and finally in the After pressing and filtering under a 50μm filter to remove impurities, the coating solu...
Embodiment 2
[0047] The present embodiment provides a kind of coating liquid, and this coating liquid comprises the following components by mass percentage: 5% single-layer graphene nanoplatelet, solvent 82%, additive 13%; Wherein, according to mass percentage, solvent comprises 17% Ethanol, 20% ethylene glycol, 25% polyethylene glycol 600, and 20% polyethylene glycol 800; additives include dispersants (5% oleic acid and 1% sodium dodecylbenzenesulfonate), corrosion inhibitors ( 2% polyaspartic acid), film former (3.5% polyacrylamide modified rosin and 1% chitosan) and regulator (0.5% arginine).
[0048] The preparation method of the coating solution in this embodiment is as follows: first, the additive is dissolved in a solvent to obtain a solution; then the single-layer graphene nanosheets are added to the above solution, and ultrasonicated for 12 hours to form a uniform coating solution. After press filtration under the filter screen to remove impurities, the coating solution is obtaine...
Embodiment 3
[0051] This embodiment provides a kind of coating liquid, and this coating liquid comprises the following components by mass percentage: 30% tetraammonium palladium sulfate, solvent 60%, additive 10%; Wherein, according to mass percentage, solvent comprises 25% ethanol, 20% polyethylene glycol 600 and 15% polyethylene glycol 800; additives include dispersant (5% oleic acid and 1% octylphenol ethoxylate), corrosion inhibitor (1% modified phytate ), film former (2% polyacrylamide modified rosin) and regulator (1% arginine).
[0052] The preparation method of the coating solution in this embodiment is as follows: first, the additive is dissolved in a solvent to obtain a solution; then tetraammonium palladium sulfate is added to the above solution, first stirred for 6 hours and then ultrasonically for 12 hours to form a uniform coating solution, and finally in After pressing and filtering under a 50μm filter to remove impurities, the coating solution is obtained.
[0053] In the ...
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