Importance

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Abstract

In various embodiments of the invention, an anti-stiction coating is formed on at least one surface of an interior cavity of a MEMS device. Particular embodiments provide an anti-stiction on one or mirror surfaces of an interferometric light modulation device, also known as an iMoD in some embodiments. In other embodiments, an interferometric light modulation device is encapsulated within a package and the anti-stiction coating is applied after the package is fabricated. In one embodiment, one or more orifices are defined in the package, e.g., in a seal, a substrate or a backplate and the anti-stiction coating material is supplied into the interior of the package via the orifice(s). In one embodiment, the anti-stiction coating material includes a self-aligned (or self-assembled) monolayer. In yet another embodiment, the anti-stiction layer coating can be incorporated into a release process where a sacrificial layer of an interferometric light modulation device is etched away with the use of a gas.

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First Claim