We have proposed a novel multilayer stacked retinal prosthesis chip based on three-dimensional integration technology. Implantable stimulus electrode arrays in polyimide flexible cables were fabricated for the electrical stimulation of the retina. To evaluate optimal retinal stimulus current, electrically evoked potential (EEP) was recorded in animal experiments using Japanese white rabbits. The EEP waveform was compared with visually evoked potential (VEP) waveform. The amplitude of the recorded EEP increased with stimulus current. The EEP waveform shows a similar behavior to the VEP waveform, indicating that the electrical stimulation of the retina can be exploited for the blind to perceive incident light to the retina.
|Number of pages||5|
|Journal||Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers|
|Issue number||4 B|
|Publication status||Published - 2006 Apr 25|
- Three-dimensional integration technology
ASJC Scopus subject areas
- Physics and Astronomy(all)