Micro-device having a plurality of mobile elements arranged in a plurality of embedded cavities
First Claim
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1. A micro-device comprising at least:
- a substrate,a stationary element rigidly connected to the substrate,a first mobile element suspended from the stationary element by first retention elements and configured to move with respect to the stationary element,a second mobile element suspended from the first mobile element by at least second retention elements and configured to move with respect to the first mobile element and the stationary element,a first cavity, formed by at least one wall of the stationary element, completely surrounding the first mobile element,a second cavity, formed by at least one wall of the first mobile element, completely surrounding the second mobile element, wherein the second cavity is insulated from the first cavity, and the first cavity surrounds the second cavity.
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Abstract
A micro-device comprising:
- a substrate,
- a stationary element rigidly connected to the substrate,
- a first mobile element suspended from the stationary element by first retention elements and configured to move with respect to the stationary element,
- a second mobile element suspended from the first mobile element by second retention elements and configured to move with respect to the first mobile element and the stationary element,
- a first cavity, at least some of the walls of which are formed by the stationary element and in which the first mobile element is encapsulated,
- a second cavity positioned in the first cavity, at least some of the walls of which are formed by the first mobile element, in which the second mobile element is encapsulated and which is insulated from the first cavity.
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Citations
20 Claims
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1. A micro-device comprising at least:
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a substrate, a stationary element rigidly connected to the substrate, a first mobile element suspended from the stationary element by first retention elements and configured to move with respect to the stationary element, a second mobile element suspended from the first mobile element by at least second retention elements and configured to move with respect to the first mobile element and the stationary element, a first cavity, formed by at least one wall of the stationary element, completely surrounding the first mobile element, a second cavity, formed by at least one wall of the first mobile element, completely surrounding the second mobile element, wherein the second cavity is insulated from the first cavity, and the first cavity surrounds the second cavity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method for manufacturing a micro-device, comprising at least:
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making a stationary element rigidly connected to a substrate; making a first mobile element suspended from the stationary element by first retention elements and configured to move with respect to the stationary element, making a second mobile element suspended from the first mobile element by at least second retention elements and configured to move with respect to the first mobile element and the stationary element, making a first cavity, formed by at least one wall of the stationary element, completely surrounding the first mobile element, making a second cavity, formed by at least one wall of the first mobile element, surrounding the second mobile element, wherein the second cavity is insulated from the first cavity, and the first cavity surrounds the second cavity. - View Dependent Claims (17, 18, 19, 20)
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Specification