Laser beam deflection for targeted energy deposition
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United States of America Patent
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Jan 9, 2018
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N/A
app pub date -
Dec 7, 2016
filing date -
Dec 8, 2015
priority date (Note) -
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Abstract
A method for manufacturing a micromechanical component having a substrate and having a cap connected to the substrate and enclosing with the substrate a first cavity is provided, a first pressure existing, and a first gas mixture having a first chemical composition being enclosed, in the first cavity, in a first method step an access opening that connects the first cavity to an environment of the micromechanical component being constituted in the substrate or in the cap, in a second method step the first pressure and/or the first chemical composition being established in the first cavity, in a third method step the access opening being sealed with the aid of a laser by the introduction of energy or heat into an absorbing portion of the substrate or of the cap, the introduction of energy or heat being controlled by spatial displacement of a laser beam along a path proceeding substantially parallel to a surface, facing away from the first cavity, of the substrate or of the cap.
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