PIN diode based X-ray detector

From alignment of laboratory devices to long term monitoring of X-ray intensity

xPIN X-ray detector

The Rigaku xPIN metrology detector is a PIN diode based EUV / X-ray detector featuring compact and flexible design ideal for various applications ranging from alignment and testing of laboratory devices to long term precision monitoring of X-ray intensity. Due to its affordable price and user friendly operation, it is an ideal professional tool that shouldn’t be missing in any X-ray laboratory or X-ray service engineer’s tool bag.

The detector can be easily used as a hand-held monitor or can be used with the sensor head fixed to the optical bench. The detector has its own long life internal battery. Recharging or power supply operation can be done through standard USB cable from any USB device. While connected to PC the USB cable serves also for data transfer. Various sensor types and filter foils enable to use the Rigaku xPIN for a broad range of energies covering EUV to X-ray radiation.

Several diodes types available:

  • X-ray range air version
  • X-ray range vacuum compatible detector housing
  • EUV range – pulsed source
  • EUV range – continuous source
  • Other diode types available upon request

Features

  • PIN diode active area: 10 mm x 10 mm
  • Mode of operation: photovoltaic (unbiased)
  • PIN diode dark current: typ. below 10 pA @ 25°C
  • Spectral range: 5 keV (T = 10%) – 27 keV (above 10% of peak sensitivity)
  • Light sensitivity: light tight
  • Design: A/V converter + amplifier 100×
  • Acquisition gain: fixed (standard) 1 μV/pA(×1) and 100 μV/pA(×100) simultaneously. Adjustable from 50 % to 200 % of fixed value, jumper selectable)
  • Readout noise: typ. 1 μVpp (output ×1) typ. 100 μVpp (output ×100)
  • Internal filter: 1st order LPF
  • Output range: 0 to 2 V (battery powered), 0 to 4 V (external 5 V powered).
  • Weight: 150 g (detector only), 850 g (with all accessories)

Specifications – Detector body

Detector
Mode of operation Photovoltaic (unbiased)
Biased (+2.5 V or -2.5 V)
Design A/V converter + digital voltmeter
Ranges (six digits) 200 nA full scale, resolution 1 pA
±400 nA (unipolar), res. 1 pA 
20 µA full scale, resolution 0.1 nA 
±40 µA (unipolar), res. 0.1 nA
Read out rate 2.5 / s
Analog output 2.5 V max. signal (log. scale) 
1 V/decade
Weight/dimensions 200 g (detector body) 
850 g (with all accessories)
Power supply
Battery Built in Li-Pol rechargeable 3.7 V, 1100 mAh, protected cell
Battery charge current 200 mA (USB – PC connection), or 330 mA (battery charger)
Battery life 72 hrs typ.
External 5 VDC via USB Micro B connector
Environmental
conditions

Ambient operational temperature range 0°C to 40°C
Relative humidity, non-condensing 0 to 80 %
Accessories
Signal cable 1.5 m (standard cable), SMB
USB (data/power) cable 3 m USB A to USB Micro B
Charger Universal USB
Documentation On USB memory stick
Protective / carrying case Reinforced textile
Optional Pinholes, filters, mechanical adaptors, cables (see separate list)

Specifications – Standard sensors

X-ray
EUV
Spectral range
4 keV to 27 keV
(above 10 % of peak sensitivity)
AXUV100G
PIN diode active area
10 mm × 10 mm
10 mm × 10 mm
Light sensitivity
Light tight
No
Vacuum compatible
Yes
Yes
Ambient operational temperature range
-20°C to 50°C
-10°C to 40°C
Dimensions (a × b)
Ø28 × 23.5 (mm)
Ø30 × 25 (mm)
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