A New Technology for Fast Two-Dimensional Detection of Proton Therapy Beams

<table>Photograph of the preamplifier module. Power is supplied by the ribbon cable shown. The chamber channels are connected at left and the data acquisition module interfaces with the ribbon connectors at right.</table>

Physics Research International

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Figure 4

Figure 4: A New Technology for Fast Two-Dimensional Detection of Proton Therapy Beams 