The present invention may provide a particle detector or imager which may be used for accurate recording of medical (2-D) X-ray images. The imager includes at least one detector panel. The detector panel includes a microgap detector with an array of pixel electrodes of a novel form. Each pixel electrode...http://www.google.de/patents/US6121622?utm_source=gb-gplus-sharePatent US6121622 - Imager or particle detector and method of manufacturing the same