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首页> 外文期刊>Journal of instrumentation: an IOP and SISSA journal >Alternative glues for the production of ATLAS silicon strip modules for the Phase-II upgrade of the ATLAS Inner Detector
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Alternative glues for the production of ATLAS silicon strip modules for the Phase-II upgrade of the ATLAS Inner Detector

机译：用于生产ATLAS硅条模块的替代胶，用于ATLAS内部探测器的II期升级

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摘要

The Phase-II upgrade of the ATLAS detector for the High Luminosity Large Hadron Collider (HL-LHC) includes the replacement of the current Inner Detector with an all-silicon tracker consisting of pixel and strip detectors. The current Phase-II detector layout requires the construction of 20,000 strip detector modules consisting of sensor, circuit boards and readout chips, which are connected mechanically using adhesives. The adhesive used initially between readout chips and circuit board is a silver epoxy glue as was used in the current ATLAS SemiConductor Tracker (SCT). However, this glue has several disadvantages, which motivated the search for an alternative. This paper presents a study of six ultra-violet (UV) cure glues and a glue pad for possible use in the assembly of silicon strip detector modules for the ATLAS upgrade. Trials were carried out to determine the ease of use, thermal conduction and shear strength. Samples were thermally cycled, radiation hardness and corrosion resistance were also determined. These investigations led to the exclusion of three UV cure glues as well as the glue pad. Three UV cure glues were found to be possible better alternatives than silver loaded glue. Results from electrical tests of first prototype modules constructed using these glues are presented.
机译：用于高光强大强子对撞机（HL-LHC）的ATLAS检测器的第二阶段升级包括用由像素和带状检测器组成的全硅跟踪器替换当前的内部检测器。当前的II期检测器布局需要构造20,000个带状检测器模块，该模块由传感器，电路板和读出芯片组成，这些模块使用粘合剂进行机械连接。最初在读出芯片和电路板之间使用的粘合剂是环氧银胶，就像当前的ATLAS半导体跟踪器（SCT）中所使用的那样。但是，这种胶有几个缺点，这促使人们寻找替代品。本文介绍了对六种紫外线（UV）固化胶和胶垫的研究，这些胶和胶垫可能用于ATLAS升级的硅条检测器模块的组装。进行了试验以确定易用性，导热性和剪切强度。对样品进行热循环，还测定了辐射硬度和耐腐蚀性。这些研究导致排除了三种紫外线固化胶和胶垫。发现三种紫外线固化胶水可能比载银胶水更好。给出了使用这些胶水构建的第一个原型模块的电气测试结果。

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