Fault-tolerant materials and methods of fabricating the same
AssigneeBayer MaterialScience AG
InventorsSilmon James Biggs, Matthew Kurt Senesky
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Abstract
The present invention provides compliant/stretchable electroactive materials and devices made from those materials which exhibit fault-tolerant properties, i.e., self-healing/clearing properties. The present invention also provides systems, which incorporate the subject materials and/or devices, as well as methods of fabricating the subject materials and devices.
Claims29
A method of fabricating a compliant structure having self-healing properties under normal operating conditions, the method comprising:
- providing a dielectric film comprising an elastomeric material having a modulus of elasticity less than about 100 MPa;
- and
- applying an electrode layer to each side of the dielectric film, the electrode layers comprising a compliant conductive material capable of withstanding cyclic strains greater than 0.1% without failure due to mechanical fatigue;
- wherein a fault within the structure is clearable at a rate on the order of milliseconds to seconds upon onset of the fault.
A capacitive structure having self-healing properties under normal operating conditions, the structure comprising:
- a dielectric film comprising an elastomeric material having a modulus of elasticity less than about 100 MPa;
- and
- an electrode layer on each side of the dielectric film, the electrode layers comprising a compliant conductive material capable of withstanding cyclic strains greater than 0.1% without failure due to mechanical fatigue;
- wherein a fault within the structure is clearable at a rate on the order of milliseconds to seconds upon onset of the fault.
A capacitive structure having self-healing properties under normal operating conditions, the structure comprising:
- a dielectric film comprising an elastomeric material having a modulus of elasticity less than about 100 MPa;
- and
- a compliant conductive material on at least a portion of the dielectric film, the conductive material capable of withstanding cyclic strains greater than 0.1% without failure due to mechanical fatigue;
- wherein a fault within the structure is clearable at a rate on the order of milliseconds to seconds upon onset of the fault.
Dependencies are inferred from the claim text.