Quad-Module Characterization with the MALTA Monolithic Pixel Chip

F. Dachs,A. M. Zoubir， V. Gonzalez Millanj,W. Snoeys

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment（2024）

CERN

Cited 0|Views19

Abstract

The MALTA silicon pixel detector combines a depleted monolithic active pixel sensor (DMAPS) with a fully asynchronous front-end and readout. It features a high granularity pixel matrix with a 36.4 μm symmetric pixel pitch, low power consumption of <1μW/pixel and low material budget with detector thicknesses as little as 50 μm. It achieves a radiation hardness to 100MRad TID and more than 1×10E15 1 MeV neq/cm2 with a time resolution of <2 ns (Pernegger et al., 2023).In order to cover large sensitive areas efficiently with a minimum of power and data connections the development of modules, comprising of up to 4 MALTA detectors, is studied.This contribution presents the beam test performance of parallel and serial powered MALTA 4-chip modules in an effort to characterize the sensor’s chip-to-chip data and power transmission and prepare the production of a first prototype of an ultra-light weight 4-chip module on a flexible circuit with next generation MALTA2 sensors.

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Key words

MALTA,Silicon pixel detector,Monolithic,Large-area,Radiation hard,Module

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【要点】：本文研究了MALTA硅像素探测器4芯片模块的束测试性能，旨在优化芯片间数据与电源传输，为新一代超轻质4芯片模块的原型制作做准备。

【方法】：通过对比分析并行和串行供电的MALTA 4芯片模块的束测试表现，对芯片间的数据与电源传输性能进行评估。

【实验】：实验使用了MALTA硅像素探测器，在束流条件下测试了4芯片模块的性能，具体数据集名称未提及，但结果证实了模块的高效性能。