Micromechanical arm array in micro-electromechanical system (MEMS) actuators

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United States of America Patent

PATENT NO 11757378
SERIAL NO

17833827

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Abstract

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A micromechanical arm array is provided. The micromechanical arm array comprises: a plurality of micromechanical arms spaced from each other in a first horizontal direction and extending in a second horizontal direction, wherein each micromechanical arm comprises a protrusion at a top of each micromechanical arm and protruding upwardly in a vertical direction; a plurality of protection films, each protection film encapsulating one of the plurality of micromechanical arms; and a metal connection structure extending in the first horizontal direction. The metal connection structure comprises: a plurality of joint portions, each joint portion corresponding to and surrounding the protrusion of one of the plurality of micromechanical arms; and a plurality of connection portions extending in the first horizontal direction and connecting two neighboring joint portions.

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Patent Owner(s)

Patent OwnerAddress
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD8 LI-HSIN RD 6 HSINCHU SCIENCE PARK HSINCHU 300-78

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hung, Tsai-Hao Hsinchu, TW 43 71
Liao, Shih-Yu Hsinchu, TW 19 3

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