Green nano-coating device and method for continuous coating of micron-scale bonding wire
A bonding wire and micron-scale technology, which is applied in the field of green nano-coating devices for continuous coating of micron-scale bonding wires and wires, can solve the problems of natural ecological environment hazards of organic halogen compounds, unstable coating quality, etc. The effect of plating process, improving service life and service performance, and improving utilization rate
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Embodiment 1
[0040] This embodiment provides a coating solution, which includes the following components by mass percentage: 15% of nano-palladium with a size of 10 nm, 77% of a solvent, and 8% of an additive; wherein, in terms of mass percentage, the solvent includes 22% Ethanol, 20% ethylene glycol, 20% polyethylene glycol 600 and 15% polyethylene glycol 800; additives include dispersants (3% oleic acid and 0.5% octylphenol ethoxylate), corrosion inhibitors (2 % modified phytate), film former (2% polyacrylamide modified rosin) and conditioner (0.5% glutamic acid).
[0041] In this embodiment, the preparation method of the coating solution is as follows: firstly, the additive is dissolved in the solvent to obtain a solution; then 10 nm nano-palladium is added to the above solution, stirred for 6 hours and then sonicated for 12 hours to form a uniform coating solution, and finally The coating solution was obtained by performing pressure filtration under a 50 μm filter to remove impurities....
Embodiment 2
[0047] This embodiment provides a coating solution, which includes the following components by mass percentage: 5% single-layer graphene nanosheets, 82% solvent, and 13% additive; wherein, in terms of mass percentage, the solvent includes 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 conditioner (0.5% arginine).
[0048] The preparation method of the coating solution in this embodiment is as follows: firstly, the additive is dissolved in the solvent to obtain a solution; then the single-layer graphene nanosheets are added to the above solution, ultrasonicated for 12 hours, to form a uniform coating solution, and finally a 300 μm coating solution is formed. After pressure filtration is performed under the filter screen to remove impu...
Embodiment 3
[0051] This embodiment provides a coating solution, which includes the following components by mass percentage: 30% tetraammonium palladium sulfate, 60% solvent, and 10% additive; wherein, by mass percentage, the solvent includes 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 conditioner (1% arginine).
[0052] The preparation method of the coating solution in this embodiment is as follows: firstly, the additive is dissolved in a solvent to obtain a solution; then, tetraammonium palladium sulfate is added to the above solution, stirred for 6 hours, and then ultrasonicated for 12 hours to form a uniform coating solution. The coating solution was obtained by performing pressure filtration under a 50 μm filter to remove impurities.
[0053] The embodiments of the present invention als...
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Abstract
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