丝网印刷技术制作电阻式宝石的研制及初步试验
Developments and the preliminary tests of Resistive GEMs manufactured by a screen printing technology
摘要：
我们报告了有前途的初步结果，获得了新的连续电极GEM（RETGEM）探测器制造，首次使用丝网印刷技术。这些新的探测器允许一个达到气体增益几乎一样高，与普通的GEM类探测器与金属电极;然而，由于其电极的高电阻率的RETGEM，与普通的孔型探测器相比，具有完全火花保护的优势。我们发现，RETGEMs可以在惰性气体和其他严重淬灭的气体中稳定和高增益地工作，例如惰性气体与空气的混合物和纯空气;因此，广泛的实际应用，包括剂量测定和危险气体的检测，是可以预见的。为了促进对RETGEM技术的更好理解，用金属电极厚GEM完成了一些比较研究。这些新的RETGEM的主要好处是，丝网印刷技术很容易被许多研究实验室使用。这种可访问性鼓励了制造这些GEM类探测器的可能性，其电极电阻率容易针对特定的实验或实际应用进行优化。
英文摘要：
We report promising initial results obtained with new resistive-electrode GEM (RETGEM) detectors manufactured, for the first time, using screen printing technology. These new detectors allow one to reach gas gains nearly as high as with ordinary GEM-like detectors with metallic electrodes; however, due to the high resistivity of its electrodes the RETGEM, in contrast to ordinary hole-type detectors, has the advantage of being fully spark protected. We discovered that RETGEMs can operate stably and at high gains in noble gases and in other badly quenched gases, such as mixtures of noble gases with air and in pure air; therefore, a wide range of practical applications, including dosimetry and detection of dangerous gases, is foreseeable. To promote a better understanding of RETGEM technology some comparative studies were completed with metallic-electrode thick GEMs. A primary benefit of these new RETGEMs is that the screen printing technology is easily accessible to many research laboratories. This accessibility encourages the possibility to manufacture these GEM-like detectors with the electrode resistivity easily optimized for particular experimental or practical applications.
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