Pixel detectors for use in retina neurophysiology studies

W Cunningham, K Mathieson, M Horn, J Melone, FA McEwan, A Blue, V O'Shea, KM Smith, A Litke, EJ Chichilnisky, M Rahman

Research output: Contribution to journalArticle

Abstract

One area of major inter-disciplinary co-operation is between the particle physics and bio-medical communities. The type of large detector arrays and fast electronics developed in laboratories like CERN are becoming used for a wide range of medical and biological experiments. In the present work fabrication technology developed for producing semiconductor radiation detectors has been applied to produce arrays which have been used in neuro-physiological experiments on retinal tissue. We have exploited UVIII, a low molecular weight resist, that has permitted large area electron beam lithography. This allows the resolution to go below that of conventional photolithography and hence the production of densely packed ∼500 electrode arrays with feature sizes down to below . The neural signals from significant areas of the retina may thus be captured.
Original languageEnglish
Pages (from-to)235-239
Number of pages5
JournalNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume509
Issue number1-3
DOIs
Publication statusPublished - 21 Aug 2003

Keywords

  • neurophysiology studies
  • retina
  • retina neurophysiology studies

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