Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

The development of a multichannel electrode array for retinal prostheses.

Yasuo Terasawa1, Hiroyuki Tashiro, Akihiro Uehara

  • 1Vision Institute, Nidek Co, Ltd, Gamagori 443-0036, Japan. yasuo_terasawa@nidek.co.jp

Journal of Artificial Organs : the Official Journal of the Japanese Society for Artificial Organs
|December 16, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Spontaneous formation of gold nanoparticles triggered by hydrophobic interfaces.

Nanoscale·2026
Same author

Nanoparticulate Co-doped CuO/Multiwalled Carbon Nanotubes Composite for Dopamine.

Chemphyschem : a European journal of chemical physics and physical chemistry·2026
Same author

Dual-Readout Self-Resetting CMOS Image Sensor for Resolving Sub-Percent Optical Contrast in Biomedical Imaging.

Sensors (Basel, Switzerland)·2026
Same author

Dispersive clay flotation for the simultaneous removal of methylene blue and methyl orange from water.

Analytical sciences : the international journal of the Japan Society for Analytical Chemistry·2026
Same author

Alteration of amino acid racemization rates of dentin via aspartate aminotransferase: A pilot study.

Legal medicine (Tokyo, Japan)·2026
Same author

AI-Generated Motifs Distinguish Altered Spatiotemporal Pain Response in the VTA of Mice With Chronic Pain.

IEEE journal of biomedical and health informatics·2026

Researchers developed a 10x10 platinum electrode array for retinal prostheses. Most electrodes exceeded the charge delivery capability target, crucial for effective visual restoration.

Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Materials Science

Background:

  • Retinal prostheses require advanced multielectrode arrays for visual function restoration.
  • Current electrode technology faces challenges in achieving sufficient charge delivery capability.

Purpose of the Study:

  • To develop and characterize a novel 10x10 platinum electrode array for retinal prostheses.
  • To evaluate the charge delivery capability (CDC) of the developed electrodes.

Main Methods:

  • Fabrication of a 10x10 platinum electrode array using polyimide and parylene-C layers.
  • Formation of 30-microm-high bump electrodes via Pt/Au double-layer electroplating.
  • Measurement of CDC for two-channel electrode arrays to estimate performance of the 10x10 array.

Related Experiment Videos

Main Results:

  • The electrode array features an 8-microm polyimide core between 5-microm parylene-C layers.
  • Electrodes were constructed as 30-microm-high bumps using platinum/gold electroplating.
  • For cathodic-first pulses, 80% of electrodes exceeded the target CDC of 318 microC/cm2.

Conclusions:

  • The developed platinum electrode array demonstrates promising charge delivery capabilities for retinal prosthesis applications.
  • The fabrication method and electrode design meet critical performance requirements for visual prosthetics.
  • This advancement contributes to the development of more effective visual neuroprosthetic devices.