An ISPA-camera for gamma rays in nuclear medicine

被引：6

作者：

DAmbrosio, C

Gys, T

Leutz, H

Piedigrossi, D

Puertolas, D

机构：

[1] CERN, Geneva

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1995年 / 367卷 / 1-3期

关键词：

D O I：

10.1016/0168-9002(95)00529-3

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

With the recently developed ISPA (Imaging Silicon Pixel Array)-tube we achieved high position-sensitive detection efficiency of Co-57-122 keV photons, via a matrix of YAlO3-crystals (YAP), 5 mm long, 0.6 x 0.6 mm(2) cross-section. The ISPA-tube is only 4 cm long with 3.5 cm diameter and consists of a photocathode viewed at 3 cm distance by a silicon pixel chip, directly detecting the photoelectrons. The chip-anode consists of 1024 rectangular pixels with 75 mu m x 500 mu m edges. Each pixel is bump-bonded to its individual front-end electronics which provides read-out times between 6 and 12 mu s. Apart from its already demonstrated application in HEP for particle tracking with scintillating fibres, the ISPA-tube provides also an excellent tool in medicine, biology and chemistry.

引用

页码：54 / 57

页数：4

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