Digital mammography with multi-electrode ionization chamber

被引：4

作者：

Groshev, VR ^{[1
]}

Kozak, VR ^{[1
]}

Nifontov, VI ^{[1
]}

Pishenuok, SM ^{[1
]}

Samsonov, AA ^{[1
]}

Shekhtman, LI ^{[1
]}

Telnov, VI ^{[1
]}

机构：

[1] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2000年 / 454卷 / 01期

关键词：

D O I：

10.1016/S0168-9002(00)00814-7

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

For viewing micro-calcifications smaller than 100 mum investigation of image formation in mammography shows that a significant dose to the patient is imperative. We propose a novel one-dimensional Multi-electrode Ionisation Chamber (MIC), with high spatial resolution, and lowered doses. In this work, first results from a prototype are presented. High spatial resolution is demonstrated working with Xe mixture at high pressure. An addition of a Gas Electron Multiplier (GEM) allowed an improvement in sensitivity up to almost single-photon level. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：130 / 135

页数：6

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