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Ionizing particle beam fluence and position detector array using Micromegas technology with multi-coordinate readout

  • US 10,265,545 B2
  • Filed: 05/08/2017
  • Issued: 04/23/2019
  • Est. Priority Date: 05/06/2016
  • Status: Active Grant
First Claim
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1. A particle beam detector system, comprising:

  • a particle beam generator;

    a Micromegas particle beam fluence and position detector array comprising;

    a sealed, gas-filled, ionizing radiation detector chamber,a printed circuit board (PCB) disposed within the ionizing radiation detector chamber, the PCB comprising a multi-layer array arrangement of interconnected conductive sensor pads with the conductive sensor pads disposed on the PCB and coupled to an interconnected series of corresponding strips comprising three planar coordinate grids, X, Y, and ST (stereo), the interconnected series of corresponding strips being situated as separate layers within the PCB, the arrangement of interconnected conductive sensor pads comprising a first footprint,wherein the interconnected conductive sensor pads form a plurality of interlocking three-coordinate detection clusters with each three-coordinate detection cluster coupled to the three planar coordinate grids, X, Y, and ST, such that the plurality of three-coordinate detection clusters extend across the PCB in a repeating pattern,a dielectric lattice structure, disposed over the PCB and extending away from the multi-layer array arrangement of sensors, anda conductive mesh structure comprising a second footprint disposed over the dielectric lattice structure and the PCB, the second footprint extending over an entire area of the first footprint;

    electronic signal acquisition channels coupled to each of the conductive sensor pads and corresponding strips of the particle beam fluence and position detector array; and

    data readout electronics coupled to the electronic signal acquisition channels.

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