IBA Dosimetry Product Proton matrixx one header

MatriXX ONE

Universal QA solution for PBS Pencil Beam Scanning

  • Reconstruct the Bragg peak for a single spot within seconds
  • Instant absolute range verification within one second for weekly and monthly QA
IBA Dosimetry Product Proton matrixx one header
IBA Dosimetry Product Proton matrixx one header
  • Water equivalent material for equivalent scattering properties
  • Safe time with reduced effort to correct data at TPS level
  • Verify the full clinical range up to 230MeV
  • Unique multi-layer ionization chamber design
  • Verify the TPS library periodically without setting up your water tank

Technical specs

MatriXX One Detector

  • Sensor type: Vented parallel ion chamber
  • Number of sensors 1020, arranged in a 32 × 32 grid
  • Active measurement area 24.4 cm × 24.4 cm
  • Chamber diameter 4.50 mm
  • Chamber height 1.00 mm
  • Chamber volume 0.016 cm3
  • Distance between chambers 7.619 mm
  • Nominal sensitivity 0.79 nC/Gy
  • Dose Range 6 cGy – 33.7 Gy 1 
  • Minimum sampling period: 20 ms

 

1 in this range the detector is linear within ±1.0%
2 at this value of charge per pulse the detector sensitivity is measured to be 99.4% ±0.4% compared to its value at 0.75 pC/pulse.
3 this value has been determined under a pulsed proton beam with 1 kHz pulse repetition frequency and protonic charge of 6.5 pC per single pulse.

  • Maximum protonic charge per pulse 6.5 pC/pulse
  • Maximum dose rate 48.8Gy/min 3 
  • Minimum dose rate 5 cGy/min
  • Bias voltage 500 ± 30 V
  • Effective point of measurement 7 mm below the housing surface, indicated by a marker on the side of the housing. Its water equivalent depth is 7.3 mm. Absorber material on top
  • ABS (density 1.06 g/cm3)
  • Outer dimensions: 560 × 60 × 320 mm (l × h × w)
  • Weight: 10.5 kg

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