US Patent 7974673 Multi-element probe array

A multi-element probe array suitable for sensing or stimulating is disclosed. In one embodiment, the multi-element probe array includes a plurality of microfibers extending longitudinally and oriented substantially parallel to form a bundle. Probe elements are defined by a first subset of the microfibers displaced in a forward direction along the longitudinal axis relative to spacer elements defined by a second subset of the microfibers. Interface elements and communication elements are disposed on the probe elements.