US Patent 7763158 Method for making a tunable cantilever device

Mass distribution within programmable surface control devices is controlled by the presence or absence of an electrodeposition of metal and/or metal ions from a solid solution upon application of a suitable electric field. One such programmable surface control device includes a tunable cantilever assembly whose resonant frequency is changed by depositing and dissolving an electrodeposit on a surface of the assembly using an electric field.