Stretchable electronic systems with fluid containment
First Claim
1. An electronic system comprising:
- i. a substrate,wherein said substrate has a Young'"'"'s modulus selected from the range of 1 kPa to 100 MPa,wherein said substrate is a flexible substrate or a stretchable substrate;
ii. an electronic device or device component supported by said substrate;
wherein said electronic device or device component is free standing or tethered to said substrate;
iii. a fluid containment chamber at least partially enclosing said electronic device or device component;
wherein said fluid containment chamber is an elastomer at least partially filled with a containment fluid andwherein at least 50% of the volume of said fluid containment chamber is occupied by said containment fluid,wherein said containment fluid has a viscosity greater than or equal to 0.1 cP and less than or equal to 10,000 cP at 298 K after the electronic system is fabricated; and
iv. one or more stretchable electrical interconnects in electrical contact with said electronic device or device component,wherein the electronic device or device component in a free-standing or tethered configuration mechanically isolates forces originating upon deformation, stretching or compression of the flexible or stretchable substrate from the electronic device or device component to decrease a strain exerted on the electronic device or device component by a factor of at least 4 to 1000 times compared to an equivalent device or device component directly bonded to said substrate.
2 Assignments
0 Petitions
Accused Products
Abstract
The present invention provides electronic systems, including device arrays, comprising functional device(s) and/or device component(s) at least partially enclosed via one or more fluid containment chambers, such that the device(s) and/or device component(s) are at least partially, and optionally entirely, immersed in a containment fluid. Useful containment fluids for use in fluid containment chambers of electronic devices of the invention include lubricants, electrolytes and/or electronically resistive fluids. In some embodiments, for example, electronic systems of the invention comprise one or more electronic devices and/or device components provided in free-standing and/or tethered configurations that decouple forces originating upon deformation, stretching or compression of a supporting substrate from the free standing or tethered device or device component.
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Citations
63 Claims
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1. An electronic system comprising:
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i. a substrate, wherein said substrate has a Young'"'"'s modulus selected from the range of 1 kPa to 100 MPa, wherein said substrate is a flexible substrate or a stretchable substrate; ii. an electronic device or device component supported by said substrate; wherein said electronic device or device component is free standing or tethered to said substrate; iii. a fluid containment chamber at least partially enclosing said electronic device or device component; wherein said fluid containment chamber is an elastomer at least partially filled with a containment fluid and wherein at least 50% of the volume of said fluid containment chamber is occupied by said containment fluid, wherein said containment fluid has a viscosity greater than or equal to 0.1 cP and less than or equal to 10,000 cP at 298 K after the electronic system is fabricated; and iv. one or more stretchable electrical interconnects in electrical contact with said electronic device or device component, wherein the electronic device or device component in a free-standing or tethered configuration mechanically isolates forces originating upon deformation, stretching or compression of the flexible or stretchable substrate from the electronic device or device component to decrease a strain exerted on the electronic device or device component by a factor of at least 4 to 1000 times compared to an equivalent device or device component directly bonded to said substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62)
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63. A method of making an electronic system comprising:
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providing a substrate, wherein said substrate has a Young'"'"'s modulus selected from the range of kPa to 100 MPa, wherein said substrate is a flexible substrate or a stretchable substrate; providing an electronic device or device component that is free standing or tethered to said substrate in a fluid containment chamber on said substrate such that said fluid containment chamber at least partially encloses said electronic device or device component; wherein said fluid containment chamber is an elastomer and wherein at least 50% of the volume of said fluid containment chamber is occupied by a containment fluid; providing one or more stretchable interconnects in electrical contact with said electronic device or device component, and at least partially filling said fluid containment chamber with said containment fluid, wherein said containment fluid has a viscosity greater than or equal to 0.1 cP and less than or equal to 10,000 cP at 298 K after the electronic system is fabricated; wherein the electronic device or device component in a free-standing or tethered configuration mechanically isolates forces originating upon deformation, stretching or compression of the flexible or stretchable substrate from the electronic device or device component to decrease a strain exerted on the electronic device or device component by a factor of at least 4 to 1000 times compared to an equivalent device or device component directly bonded to said substrate.
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Specification