| 摘要 |
A composite material ( 10, 20 ) includes a substrate ( 12, 22 ) with an electrically conducting metal or metal oxide surface ( 22 B), a layer ( 14, 24 ) of an electrically insulating material such as parylene, and an intermediate adhesion-improving metal layer ( 16, 26 ) between the substrate and the electrically insulating layer. A fluid focus lens ( 30 ) has first and second fluids ( 32, 34 ) and first and second electrodes, the first electrode comprising a core ( 38 ) of the composite material ( 10, 20 ) with the electrically insulating layer ( 41 ) positioned between the core ( 38 ) and the fluids ( 32, 34 ), and the second electrode ( 50 ) in contact with the second fluid ( 34 ).
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