Timing resolution required for MPPC
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Timing resolution required for MPPC ≤ 200 ps. ■ TOF-PET Imaging. PET. t1. t2. TOF-PET. D d = c x D t /2 When D t = 300 ps ➔ D d = 4.5 cm. C. 250 ps. D. E. E. 140 ps. C. D. Timing resolution has improved from 250 ps to 140 ps. ■ Results. Pulse intensity: 10 photons.

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■ TOF-PET Imaging

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Tof pet imaging

Timing resolution required for MPPC ≤ 200 ps

■ TOF-PET Imaging

PET

t1

t2

TOF-PET

Dd = c x Dt /2

When Dt = 300 ps

➔Dd = 4.5 cm


Tof pet imaging

C

250 ps

D

E

E

140 ps

C

D

Timing resolution has improved from 250 ps to 140 ps.

■ Results

Pulse intensity: 10 photons

High time resolution

: Standard MPPC

: New MPPC

6x4 mm2, 50 mm pitch

Operating overvoltage range has expanded.


Tof pet imaging

■ Summary

6x4 mm2, 50 mm pitch

Overvoltage = 2.5 V

*1) overvoltage = 2.0 V


Tof pet imaging

γ

t1

γ

t2

e+

e-

x

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


64ch 8x8 array c11206 0808 series

64ch (8x8) array: C11206-0808 series

HV module

Resistive charge division network

Amp circuit

S11834-3388DFdiscrete 64ch array of 3×3mm, 50μm pitch with FPC

Including ASIC(2 of 32ch preamplifier) and bias circuit for MPPC


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