A high resolution position sensitive radiation detector for analyzing radiation emanating from a source, constructed of a thin plate having an elongated slot with conductive edges acting as a cathode, a charged anode wire positioned within 0.5 mm adjacent the source and running parallel to the slot and...http://www.google.de/patents/US4311908?utm_source=gb-gplus-sharePatent US4311908 - Simple electronic apparatus for the analysis of radioactively labeled gel electrophoretograms
