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C Series Annular Partially Depleted Silicon Surface Barrier Radiation Detector

Main Application
Backscattering from a collimated source or beam target; angular correlation measurements.

  • Literature +

  • Mounting Arrangements +


    Mount must be specified when ordering.

    A      This is a "ring mount"; i.e., the silicon wafer is offered on its ring without output connectors. This infrequently used arrangement is available on special request.

    T      Microdot on the side of the can; without adjustable screws. (Open back.)

    Dimensions are given in millimeters.


    Detector Size (mm2)
    W (Nominal)    		 Type A  Type T Transmission Mount
    X Y  X Y Z
     050  8.0 15.2 3.7
    		 19.4 7.9 9.9
     150  13.8 22.0 3.7
    		 26.1 7.9 9.9
     300  19.5 27.1 3.7
    		 31.6 7.9 9.9
     450 23.9 30.5 3.7
    		 34.8 7.9 9.9
     Tolerance ±0.5 ±0.3
    		 ±0.3
    		 ±0.3
    		 ±0.3
    		 ±0.3

  • Ordering Information +


    Mount must be specified when ordering.

    Supplied in T Mount unless specified otherwise by appropriate letter prefix; 4-mm hole is standard, 6- or 8-mm hole or other areas and depths available on special order.

    **First three digits of Model No. indicate total system resolution FWHM for 241Am, 5.486-MeV alphas, using standard ORTEC electronics and 0.5-µs shaping time constants. Beta resolution approximated by pulse generator width FWHM.

    NOTE: Alpha Suite Compatible Detectors: ULTRA-AS and Low-Background R Series detectors in B-mount are guaranteed compatible with the Alpha Suite products (DUO, MEGA, ARIA, ENSEMBLE).  All other detectors require an approved special for compatibility and warranted specifications.


    Active Area (mm2)
    		 Guaranteed Maximum Resolution** (keV) Minimum Depletion Depth 100 µm
    		 Minimum Depletion Depth 300 µm  Minimum Depletion Depth 500 µm 
    α β Model No. Model No.  Model No. 
    50 17 9 C-017-050-100 C-017-050-300 C-017-050-500
    150 19 12 C-019-150-100 C-019-150-300 C-019-150-500
    300 21 14 C-021-300-100 C-021-300-300 C-021-300-500
    450 25 20 C-025-450-100 C-025-450-300 C-025-450-500


    Active Area (mm2)
    		 Guaranteed Maximum Resolution** (keV) Minimum Depletion Depth 1000 µm
    α β Model No.
    50 18 10 C-018-050-1000
    150 20 12 C-020-150-1000
    300 22 15 C-022-300-1000
    450 25 20 C-025-450-1000