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YSO:Ce Array

Advantage

1.High light output

2.Fast decay time

3.Excellent radioresistance

4.High density

5.High Effective atomic number

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  • YSO:Ce has excellent property including high light output, short decay time,  excellent radio resistance, high density, more Effective atomic number, high detection efficiency again Gamma ray, non-hygroscopic, stable etc.
     
    Properties: 

    Crystal System

    Monoclinic

    Space Group

    C62h

    Melting Poind

    1980

    Lattice Constant; À

    a=1.250b=0.672c=1.042β=102°68′

    Densityg/cm3

    4.44

    Light Output (Comparing NaI(Tl)

    120%

    Decay Timens

    70

    1.  Type: liner array (1D) or 2D array 

    Our Advantage: 

    Minimal pixel dimension available 

    Reduced optical crosstalk 

    Good uniformity between pixel to pixel/ Array to array 

    TiO2/BaSO4/ESR/E60 

    Pixel Gap: 0.08, 0.1, 0.2, 0.3mm 

    Performance testing available   

    2. Kinheng offers various arrays for end application. We can provide CsI(Tl), CsI(Na), CdWO4, LYSO,LSO, YSO, GAGG, BGO scintillation arrays. Based on the application TiO2/BaSO4/ESR/E60 are wildly used as reflective material for pixel isolation. Our mechanical processing keeps the minimal tolerance to optimize array’s physical properties including tolerance, dimension, minimal-cross talk and uniformity etc. 

    3. Materials’ properties

     

    Properties

    CsI(Tl)

    GAGG

    CdWO4

    LYSO

    LSO

    BGO

    GOS(Pr/Tb)  Ceramic

    Densityg/cm3

    4.51

    6.6

    7.9

    7.15

    7.3~7.4

    7.13

    7.34

    Hygroscopic

    Slightly

    No

    No

    No

    No

        No

    No

    Relative light output(% of NaI(Tl)) (for γ-rays)

    45

    158(HL)/ 132(BL)/79(FD)

    32

    65-75

    75

    15-20

    71/ 118

    Decay time(ns)

    1000

    150(HL)/ 90(BL)/748(FD)

    14000

    38-42

    40

    300

    3000/ 600000

    Afterglow@30ms

    0.6-0.8%

    0.1-0.2%

    0.1-0.2%

    N/A

    N/A

    0.1-0.2%

    0.1-0.2%

    Array type

    Liner and 2D

    Liner and 2D

    Liner and 2D

    2D

    2D

    2D

    Liner and 2D

    4. Mechanical design for assembling 

    Based on the end use of assembled array, there are many kinds of mechanic design from Kinheng to meet the medical and security inspection industry. 

    1D Liner array are mainly used for Security inspection industy, such as Bagger scanner, Aviation scanner, 3D scanner and NDT. Material Including CsI(Tl), GOS:Tb/Pr Film, GAGG:Ce, CdWO4 scintillator etc. They are typically coupled with Silicon Photodiode line array for read out. 

    2D array are normally used for imaging, including Medical(SPECT, PET, PET-CT, ToF-PET), SEM, Gamma camera. These 2D array are typically coupled with SIPM array, PMT array for read out. Kinheng provide 2D array including LYSO, CsI(Tl), LSO, GAGG, YSO, CsI(Na), BGO scintillator etc. 

    Below is kinheng’s typically design drawing for 1D And 2D array for industry. 


                   (Kinheng liner array)

     
     

                    (Kinheng 2D array)


    4-A: Important parameter: (A,B,C,D in above design) 

    A.1 Material type: As per request from customer  

    A.2 Pixel size: Liner array pixel size A,B,C & 2D array pixel size A, C are adjustable per request,

    A.3 Pitch: Liner array A+B & 2D array B, D are adjustable per request. 

    A.4 GAP: We provided the smallest gap 0.1mm (including adhesive) for liner array and 0.08mm (including adhesive) for 2D array. 

    A.5 Array thickness: As per request. Kinheng provide customization 

    A.6 Treatment of pixel: Polishing, Fine ground or special request available 

    4-B: Typical Pixel size& numbers                                           
     

    Material

    Typical pixel size

    Typical numbers

    Liner

    2D

    Liner

    2D

    CsI(Tl)

    1.275x2.7

    1x1mm

    1x16

    19x19

    GAGG

    1.275x2.7

    0.5x0.5mm

    1X16

    8x8

    CdWO4

    1.275x2.7

    3x3mm

    1x16

    8x8

    LYSO/LSO/YSO

    N/A

    1X1mm

    N/A

    25x25

    BGO

    N/A

    1x1mm

    N/A

    13X13

    GOS(Tb/Pr) ceramic

    1.275X2.7

    1X1mm

    1X16

    19X19


    4-C: Minimal size of Pixel  

    Material

    Minimal pixel size

    Liner

    2D

    CsI(Tl)

    0.4mm pitch

    0.5mm pitch

    GAGG

    0.4mm pitch

    0.2mm

    CdWO4

    0.4mm pitch

    1mm

    LYSO/LSO/YSO

    N/A

    0.2mm

    BGO

    N/A

    0.2mm

    GOS(Tb/Pr) ceramic

    0.4mm pitch

    1mm pitch

    5. Scintillation Array Reflector and Adhesive parameter

    Reflector

    Thickness of Reflector+Adhesive

    Liner

    2D

    TiO2

    0.1-1mm

    0.1—1mm

    BaSO4

    0.1mm

    0.1-0.5mm

    ESR

    N/A

    0.08mm

    E60

    N/A

    0.075mm

    6. Scintillation array Application   

    Properties

    CsI(Tl)

    GAGG

    CdWO4

    LYSO

    LSO

    BGO

    GOS(Tb/Pr) Ceramic

    PET, ToF-PET

     

    Yes

     

    Yes

    Yes

     

     

    SPECT

    Yes

    Yes

     

     

     

     

     

    CT

     

     

     

    Yes

    Yes

    Yes

    Yes

    NDT

    Yes

    Yes

    Yes

     

     

     

     

    Bagger scanner

    Yes

    Yes

    Yes

     

     

     

     

    Container Checking

    Yes

    Yes

    Yes

     

     

     

     

    Gamma camera

    Yes

    Yes

     

     

     

     

     

    7. Quality control for Array

    7-1.Energy resolution testing   


    7-2                 Floods map

    7-3.Relative light output testing for liner array 

    Kinheng has capacity for relative light output comparison testing for LYSO/GAGG with NaI(Tl)by PMT read out. 

    7-4. uniformity Guarantee

    Kinheng will select each single pixel per request, we are able to keep the light output uniformity within 10%, 15%, 20% per different requirement. Each slab was carefully selected and tested. 

    7-5.Ineternal defects testing 

    7-6.Physical dimension testing.  

    8. Pixelated array from Kinheng  

    YSO 2D array 

      


     


     





  • CsI(Tl) Array

    GAGG Array

    LYSO Array

    CdWO4 Array

    BGO Array

    GOS Array, GOS Ceramic array, GOS film array

    LSO Array

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