Solution for direct chemical copper plating of aluminum substrate and application method thereof
A technology of chemical copper plating and application method, applied in liquid chemical plating, metal material coating process, coating and other directions, can solve problems such as inapplicability, and achieve the effect of reducing displacement attack
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Embodiment 1
[0058] The present embodiment provides a kind of solution that is used for the direct electroless copper plating of aluminum substrate, and the electroless copper solution of 1L comprises following several components:
[0059] Copper salt: 8g / L;
[0060] Sulfite: 20g / L;
[0061] Complexing agent: 10g / L;
[0062] Reducing agent: 10g / L;
[0063] Buffer: 10g / L;
[0064] Corrosion inhibitor: 0.05g / L;
[0065] Surfactant: 0.05g / L;
[0066] Adjust the pH value to 7.0 with acid and alkali, and the balance is water.
[0067] Copper salt is copper sulfate pentahydrate, sulfite is sodium sulfite, complexing agent is disodium edetate, reducing agent is sodium borohydride, buffering agent is ammonium chloride, corrosion inhibitor is imidazoline, surfactant For polyethylene glycol 1000, add an appropriate amount of deionized water, adjust the pH value of the system to 7.0 with sulfuric acid, and make up to 1 liter with water.
Embodiment 2
[0069] The present embodiment provides a kind of solution that is used for the direct electroless copper plating of aluminum substrate, and the electroless copper solution of 1L comprises following several components:
[0070] A solution for direct electroless copper plating on aluminum substrates, 1L of electroless copper solution includes the following components:
[0071] Copper salt: 15g / L;
[0072] Sulfite: 60g / L;
[0073] Complexing agent: 30g / L;
[0074] Reducing agent: 30g / L;
[0075] Buffer: 50g / L;
[0076] Corrosion inhibitor: 0.5g / L;
[0077] Surfactant: 0.1g / L;
[0078] Adjust the pH value to 8.0 with acid and alkali, and the balance is water.
[0079] The copper salt is copper chloride, the sulfite is potassium sulfite, the complexing agent is tetrasodium edetate, the reducing agent is hydrazine hydrate, the buffering agent is sodium phosphate, the corrosion inhibitor is imidazoline, and the surface active The agent is polyethylene glycol 400, adding an app...
Embodiment 3
[0081] The present embodiment provides a kind of solution that is used for the direct electroless copper plating of aluminum substrate, and the electroless copper solution of 1L comprises following several components:
[0082] A solution for direct electroless copper plating on aluminum substrates, 1L of electroless copper solution includes the following components:
[0083] Copper salt: 15g / L;
[0084] Sulfite: 30g / L;
[0085] Complexing agent: 25g / L;
[0086] Reducing agent: 15g / L;
[0087] Buffer: 30g / L;
[0088] Corrosion inhibitor: 0.25g / L;
[0089] Surfactant: 0.075g / L;
[0090] Adjust the pH value to 7.5 with acid and alkali, and the balance is water.
[0091] The copper salt is copper chloride, the sulfite is potassium sulfite, the complexing agent is potassium sodium tartrate, the reducing agent is hydroxylamine sulfate, the buffering agent is ammonia water, the corrosion inhibitor is imidazoline, and the surfactant is polyethylene glycol Alcohol 6000, add an a...
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