Cavity pressure modification using local heating with a laser

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United States of America Patent

PATENT NO 9878902
SERIAL NO

15383755

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Abstract

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A method and system for changing a pressure within at least one enclosure in a MEMS device are disclosed. In a first aspect, the method comprises applying a laser through one of the at least two substrates onto a material which changes the pressure within at least one enclosure when exposed to the laser, wherein the at least one enclosure is formed by the at least two substrates. In a second aspect, the system comprises a MEMS device that includes a first substrate, a second substrate bonded to the first substrate, wherein at least one enclosure is located between the first and the second substrates, a metal layer within one of the first substrate and the second substrate, and a material vertically oriented over the metal layer, wherein when the material is heated the material changes a pressure within the at least one enclosure.

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Patent Owner(s)

Patent OwnerAddress
INVENSENSE INC1745 TECHNOLOGY DRIVE SUITE 200 SAN JOSE CA 95110

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dueweke, Michael Campbell, US 12 49
Lim, Martin San Mateo, US 67 1449

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