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    Waveguide and sensor based on same
    1.
    发明授权
    Waveguide and sensor based on same 有权

    公开(公告)号：US11614583B2

    公开(公告)日：2023-03-28

    申请号：US16767918

    申请日：2018-11-29

    Applicant: Cornell University

    Inventor： Robert Shepherd ,  Hedan Bai ,  Shuo Li ,  Yaqi Tu

    IPC: G01B11/16 ,  G02B6/122 ,  G02B6/125 ,  G02B6/12

    Abstract: A waveguide is provided. The waveguide having a first core, a second core spaced apart from and parallel with the first core, and a cladding surrounding the first core and the second core. An interstitial portion of the cladding is located between the first core and the second core. A first region of the first core adjacent to the cladding or of the cladding adjacent to the first core is color dyed.

    Microscale Combustion for High Density Soft Actuation
    7.
    发明申请
    Microscale Combustion for High Density Soft Actuation 有权

    公开(公告)号：US20210310503A1

    公开(公告)日：2021-10-07

    申请号：US16997929

    申请日：2020-08-19

    Applicant: Cornell University

    Inventor： Ronald Heisser ,  Robert Shepherd ,  Cameron Aubin

    IPC: F15B15/10 ,  F15B15/19

    Abstract: Disclosed herein are actuators and methods of making and actuating the same. Such actuators may comprise a body having a cavity, a membrane configured to cooperate with the cavity to form a combustion chamber, an inlet channel in fluid communication with the combustion chamber, an ignitor operable to ignite a combustible gas contained within the combustion chamber, and an outlet channel in fluid communication with the combustion chamber. The membrane may be configured to move in response to a change in pressure within the combustion chamber.

    Stretchable surfaces with programmable texture
    8.
    发明授权
    Stretchable surfaces with programmable texture 有权

    公开(公告)号：US11077587B2

    公开(公告)日：2021-08-03

    申请号：US16161029

    申请日：2018-10-15

    Applicant: Cornell University

    Inventor： James Pikul ,  Itai Cohen ,  Robert Shepherd

    IPC: B29C41/52 ,  B29C41/00 ,  B29C41/22 ,  B29C41/20 ,  B29C41/12 ,  B29C35/08 ,  B29C39/00 ,  B29C39/10 ,  B23K26/40 ,  B29K83/00 ,  B29K105/20 ,  B29L31/00

    Abstract: The present disclosure may be embodied as a method for creating a restriction pattern from a mask material having a strain (εmask) an for mapping elastomeric membrane having a strain (εmembrane) into a target 3D shape. The method may include discretizing the target 3D shape into a plurality of radial segments, and a radial strain (εr) is determined for each radial position (r) on each radial segment of the plurality of radial segments. A restriction pattern is determined, wherein the restriction pattern comprises a quantity of mask material for each position r to provide a composite strain (εmask, εsilicone). In some embodiments, the method further includes depositing a first membrane layer into a mold and placing mask material into the first membrane layer according to the determined restriction pattern. The first membrane layer is cured.

    Microscale combustion for high density soft actuation
    9.
    发明授权
    Microscale combustion for high density soft actuation 有权

    公开(公告)号：US11353046B2

    公开(公告)日：2022-06-07

    申请号：US16997929

    申请日：2020-08-19

    Applicant: Cornell University

    Inventor： Ronald Heisser ,  Robert Shepherd ,  Cameron Aubin

    IPC: F15B15/10 ,  F15B15/19

    Abstract: Disclosed herein are actuators and methods of making and actuating the same. Such actuators may comprise a body having a cavity, a membrane configured to cooperate with the cavity to form a combustion chamber, an inlet channel in fluid communication with the combustion chamber, an ignitor operable to ignite a combustible gas contained within the combustion chamber, and an outlet channel in fluid communication with the combustion chamber. The membrane may be configured to move in response to a change in pressure within the combustion chamber.

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