| 摘要 |
A microelectromechanical systems device having a transparent substrate joined to a planar backplate with a raised perimeter structure forming a recessed cavity or cell. The raised perimeter structure is formed by applying a first layer around the peripheral area of the backplate to form a recessed cell. A second layer is applied over the first layer. The first layer is thicker than the second layer. The thicker layer comprises a viscous material. A second layer is a thinner adhesive layer, and is applied over the thicker layer to join the backplate to the transparent substrate to encapsulate the microelectromechanical systems device formed on the transparent substrate.
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