PICMIC-0：5 微米间距六边形像素传感器，具有独创的三轴读取功能

IF 1.3 4区工程技术 Q3 INSTRUMENTS & INSTRUMENTATION

Journal of Instrumentation Pub Date : 2024-05-01 DOI:10.1088/1748-0221/19/05/c05015

H. Abreu, E. Bechetoille, G. Bertolone, G. Claus, C. Colledani, C. Combaret, G. Dozière, C. Hu-Guo, I. Laktineh, H. Mathez, H. Pham, M. Specht, I. Valin, L. Zhang, Y. Zhao

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引用次数: 0

摘要

我们在本文中介绍了一种名为 PICMIC-0 的新型传感器，它旨在利用微通道板 (MCP) 探测器的固有空间分辨率。该传感器采用 6 金属 TowerJazz 180 nm 晶圆技术制造，顶层金属上的六边形电荷收集像素间距为 5 μm，面积为 7.4 × 6.4 mm2。该传感器的 200 万个像素并不是单独读出的。每个像素都与一条方向为 0°、120° 或 -120° 的直线相连，一旦被击中，就会产生电流。每条读出线都与一个读出单元相连，读出单元接收电流，利用电流镜将其放大，并通过电流比较器将其转换为数字信号。数据通过优先编码器读出方案从读出单元的数字输出端采集，并以 400 ns 为一帧进行传输。这种投射式读出系统将需要读出的通道数量从 200 万像素减少到 2556 个集成在像素矩阵中的读出单元。使用三个投影可减少多次命中时的模糊性。

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PICMIC-0: a 5 μm pitch hexagonal pixel sensor with an original tri-axis readout

We present in this paper a new sensor called PICMIC-0 that is intended to exploit the intrinsic spatial resolution of the MicroChannel Plate (MCP) detectors. Manufactured using 6-metal TowerJazz 180 nm wafer technology, the sensor features hexagonal charge collection pixels on the top metal layer with a pitch of 5 μm and covering an area of 7.4 × 6.4 mm2. The 2 million of the pixels of this sensor are not read out individually. Each pixel is connected to a straight-line in either 0°, 120° or -120° orientation, in which a current is produced in case of a hit. Each of these readout strip-lines is connected to a readout cell which receives this current, amplifies it using a current mirror and converts it into a digital signal by means of a current comparator. The data is collected from the digital outputs of the readout cells using a priority encoder readout scheme and transmitted in frames of 400 ns. This projective readout system reduces the number of channels to be read out from 2 million pixels to 2556 readout cells integrated within the pixel matrix. Using three projections reduces the ambiguity in case of multiple hits.

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来源期刊

Journal of Instrumentation 工程技术-仪器仪表

CiteScore

2.40

自引率

15.40%

发文量

827

审稿时长

7.5 months

期刊介绍： Journal of Instrumentation (JINST) covers major areas related to concepts and instrumentation in detector physics, accelerator science and associated experimental methods and techniques, theory, modelling and simulations. The main subject areas include. -Accelerators: concepts, modelling, simulations and sources- Instrumentation and hardware for accelerators: particles, synchrotron radiation, neutrons- Detector physics: concepts, processes, methods, modelling and simulations- Detectors, apparatus and methods for particle, astroparticle, nuclear, atomic, and molecular physics- Instrumentation and methods for plasma research- Methods and apparatus for astronomy and astrophysics- Detectors, methods and apparatus for biomedical applications, life sciences and material research- Instrumentation and techniques for medical imaging, diagnostics and therapy- Instrumentation and techniques for dosimetry, monitoring and radiation damage- Detectors, instrumentation and methods for non-destructive tests (NDT)- Detector readout concepts, electronics and data acquisition methods- Algorithms, software and data reduction methods- Materials and associated technologies, etc.- Engineering and technical issues. JINST also includes a section dedicated to technical reports and instrumentation theses.