Hermetically sealed MEMS mirror and method of manufacture
Abstract:
A method of making a MEMS device including forming a mirror stack on a handle layer, applying a first bonding layer to the mirror stack, and disposing a substrate on the first bonding layer. The handle layer is removed and a second bonding layer is applied. A cap layer is disposed on the second bonding layer. The mirror stack is formed by disposing a silicon layer on the handle layer, disposing a first insulating layer on the silicon layer, etching portions of the first insulating layer, and depositing a first conductive layer on the first insulating layer. The formation also includes depositing a second insulating layer on the first conductive layer, a portion of the second insulating layer to expose a portion of the first conductive layer exposed, and forming a conductive pad on the exposed portion of the first conductive layer.
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