Process for deposition of metal on a surface

C - Chemistry – Metallurgy – 23 – C

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C23C 18/16 (2006.01) C25D 5/20 (2006.01)

Patent

CA 2415736

The invention relates to a process for depositing a metal on a material. The process comprises the steps of: immersing the material in a deposition solution comprising the metal; inducing a material vibration in the deposition solution having a frequency corresponding to a resonance frequency of the material; inducing a solution vibration in the deposition solution in a direction non-parallel to the material vibration, said solution vibration having a frequency corresponding to the a resonance frequency of the deposition solution, whereby said metal is deposited onto the material. This process results in deposition of metal from the plating bath on the material in a controlled and substantially uniform thickness.

Cette invention a trait à un procédé permettant de déposer un métal sur un matériau. Il consiste à immerger le matériau dans une solution pour dépôt contenant le métal, à faire vibrer le matériau dans la solution à une fréquence correspondant à la fréquence de résonance du matériau et à provoquer des vibrations dans la solution dans une direction qui ne soit pas parallèle à celle des vibrations du matériau, la fréquence de vibration de la solution correspondant à la fréquence de résonance de cette solution. Ce processus entraîne le dépôt du métal sur le matériau. Ce procédé permet de déposer sur un matériau un métal contenu dans un bain de métallisation, avec régulation de l'épaisseur du dépôt, laquelle est quasiment uniforme.

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