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TOF-PET Imaging
PET
t1
t2
TOF-PET
Dd c x Dt /2 When Dt 300 ps ? Dd 4.5
cm
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Results
High time resolution
Pulse intensity 10 photons
Standard MPPC New MPPC
6x4 mm2, 50 mm pitch

• Operating overvoltage range has expanded.

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Summary
Overvoltage 2.5 V
6x4 mm2, 50 mm pitch
Standard MPPC New MPPC
Dark Count 2.7 Mcps 1.7 Mcps
After Pulses gt 100 3
PDE 38 43
Overvoltage Range 1.5 2.5 V 2 3.5 V
Gain 0.8 1.2 x 106 1.1 1.4 x 106
Timing Resolution 250ps1 140ps
1) overvoltage 2.0 V
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Applications

• Medical
• PET
• MR-PET (Insensitive to magnetic
  field)
• TOF-PET(good timing resolution)
• DOI-PET(conpact)
• Academic
• High energy physics experiment
• Elementary particle physics
• Astronomy physics
• Measurement
• Distance measurement
• DNA Sequencer
• Diagnosis of blood
• Fluorescence measurement

TOF-PET
( t2 - t1 )c X 2
DOI-PET
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64ch (8x8) array C11206-0808 series
HV module
Resistive charge division network
Amp circuit
S11834-3388DFdiscrete 64ch array of 33mm, 50µm
pitch with FPC
Including ASIC(2 of 32ch preamplifier) and bias
circuit for MPPC