Patent ID: 9723711
Date: 2017-08-01
CPC Classifications: H01L,H05K

Claim:
1. A method for fabricating a flexible electronic structure, said method comprising: applying a first layer to a portion of a substrate; removing selected portions of the first layer to provide a plurality of vias, wherein a portion of the vias extend substantially to a surface of the substrate; disposing a second polymer layer, such that portions of the second polymer layer conform to a dimension of at least one of the plurality of vias and forms a plurality of anchors that contact at least a portion of the substrate, wherein the second polymer layer is more resistant to a selective etchant than the first layer; disposing at least one electronic device layer above a portion of the first layer and/or the second polymer layer; applying an adhesive layer to a portion of the second polymer layer prior to disposing the at least one electronic device layer; forming at least one trench through the second polymer layer and the at least one electronic device layer to expose at least a portion of the first layer; exposing at least a portion of the first layer to the selective etchant through the at least one trench; and removing, by the selective etchant, portions of the first layer, thereby providing the flexible electronic structure, wherein at least one anchor of the plurality of anchors remains in contact with at least a portion of the substrate.