Method and apparatus for reducing in-process and in-use stiction for MEMS devices
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Oct 2, 2015
filing date -
Oct 2, 2015
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Abstract
The present disclosure involves forming a method of fabricating a Micro-Electro-Mechanical System (MEMS) device. A plurality of openings is formed in a first side of a first substrate. A dielectric layer is formed over the first side of the substrate. A plurality of segments of the dielectric layer fills the openings. The first side of the first substrate is bonded to a second substrate that contains a cavity. The bonding is performed such that the segments of the dielectric layer are disposed over the cavity. A portion of the first substrate disposed over the cavity is transformed into a plurality of movable components of a MEMS device. The movable components are in physical contact with the dielectric the layer. Thereafter, a portion of the dielectric layer is removed without using liquid chemicals.
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