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US 12,225,924 B2Granted
Self-folding materials and methods, systems and devices for making the same
AssigneeCarnegie Mellon University
InventorsLining Yao, Ye Tao, Yi-Chin Lee, Haolin Liu, Jianxun Cui, Catherine Mondoa, Jasio Santillan, Wen Wang, Teng Zhang
Life of this patent
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Abstract
Methods for creating self-folding materials that change shape in response to grooves created in the surface of the materials and when exposed to a stimuli. A tailored computational design tool, digital fabrication platform and mold for use with the methods also are provided.
Claims11
A method for creating self-folding material consisting of:
- grooving at least one groove onto a single layer homogeneous material, having a top surface and a bottom surface, at an angle perpendicular to a predetermined bending angle and at a groove spacing and groove depth chosen to result in a predetermined final shape or the predetermined bending angle;
- and
- exposing the single layer homogeneous material with the at least one groove to water to cause the single layer homogeneous material to change shape.
A method for creating self-folding material comprising:
- grooving at least one groove onto an initial material, having a top surface and a bottom surface, at an angle perpendicular to a predetermined bending angle and at a groove spacing and groove depth chosen to result in a predetermined final shape or the predetermined bending angle;
- and
- exposing the initial material with the at least one groove to a stimuli to cause the initial material to change shape, wherein the initial material is comprised of at least two layers, wherein each layer has a different composition and a predetermined thickness.
A method for creating self-folding material comprising:
- grooving at least one groove onto an initial material, having a top surface and a bottom surface, at an angle perpendicular to a predetermined bending angle and at a groove spacing and groove depth chosen to result in a predetermined final shape or the predetermined bending angle;
- and
- exposing the initial material with the at least one groove to a stimuli to cause the initial material to change shape, wherein the initial material is comprised of silicon.
Dependencies are inferred from the claim text.