Patent ID: 8044364
Filing Date: 2011-10-25
Classification: A61N,G01T

Abstract:
1. A dosimetry device for charged particle radiation comprising: a printed circuit board having one surface and other surface opposing to each other, the one surface including a central region, and the other surface including a first portion that overlaps the central region of the one surface and a second portion positioned out side of the first portion so as to not overlap the central region; a plurality of first electrodes formed on the central region of the one surface of the printed circuit board; a spacing frame disposed on the one surface of the printed circuit board to surround the central region of the one surface; a second electrode substrate disposed on the spacing frame and having a second electrode opposing to each of the first electrodes through an ionized space; and a signal processing circuit disposed on the other surface of the printed circuit board, wherein the signal processing circuit includes a plurality of signal processing blocks each comprising: