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37 Results Found

  • Article
  • Open Access
8 Citations
6,285 Views
15 Pages

Guard Ring Design to Prevent Edge Breakdown in Double-Diffused Planar InGaAs/InP Avalanche Photodiodes

  • Yu-Chun Chen,
  • Ruei-Hong Yan,
  • Hsu-Chia Huang,
  • Liang-Hsuan Nieh and
  • Hao-Hsiung Lin

16 February 2023

We report on the design of an attached guard ring (AGR) and a floating guard ring (FGR) in a planar separate absorption, grading, charge, and multiplication In0.53Ga0.47As/InP avalanche photodiode to prevent premature edge breakdowns. The depths of t...

(This article belongs to the Section Optical and Photonic Materials)
  • Article
  • Open Access
3 Citations
5,146 Views
9 Pages

8 January 2018

In this study, the design and fabrication of AZO/n-Si Schottky barrier diodes (SBDs) with hydrogen plasma treatment on silicon surface and AlxOx guard ring were presented. The Si surface exhibited less interface defects after the cleaning process fol...

(This article belongs to the Special Issue Selected Papers from IEEE ICICE 2017)
  • Article
  • Open Access
3 Citations
2,443 Views
14 Pages

10 May 2025

In this contribution, we explored the interplay of guard ring (GR) configuration and isolation structures, as well as irradiation effects, which all together create a rich landscape of phenomena such as self-induced signals (“ghosts”) in...

(This article belongs to the Special Issue Radiation Sensors and Detectors: Materials, Principles and Applications (2nd Edition))
  • Article
  • Open Access
4 Citations
3,630 Views
10 Pages

Simulation of Silicon Surface Barrier Detector with PN Junction Guard Rings to Improve the Breakdown Voltage

  • Bolong Wang,
  • Rui Jia,
  • Xing Li,
  • Ke Tao and ,
  • Wei Luo,
  • Longjie Wang and
  • Jiawang Chen
  • + 2 authors+ 0 author

23 October 2022

Silicon surface barrier detectors (SSBDs) are normally used to detect high-energy particles due to their excellent properties. For better charge collection efficiency (CCE), the SSBD device should be operated at higher reverse voltages, but this can...

  • Article
  • Open Access
2 Citations
2,892 Views
7 Pages

Suppression of the Electrical Crosstalk of Planar-Type High-Density InGaAs Detectors with a Guard Hole

  • Jiaxin Zhang,
  • Wei Wang,
  • Haifeng Ye,
  • Runyu Huang and ,
  • Zepeng Hou,
  • Chen Liu,
  • Weilin Zhao,
  • Yunxue Li,
  • Xu Ma and
  • Yanli Shi
  • + 5 authors+ 0 author

21 October 2022

The resolution of InGaAs FPA detectors is degraded by the electrical crosstalk, which is especially severe in high–density FPAs. We propose a guard-hole structure to suppress the electrical crosstalk in a planar-type 640 × 512 15 μm In...

(This article belongs to the Special Issue Terahertz and Infrared Metamaterial Devices)
  • Article
  • Open Access
18 Citations
6,953 Views
21 Pages

Novel Stable Capacitive Electrocardiogram Measurement System

  • Chi-Chun Chen,
  • Shu-Yu Lin and
  • Wen-Ying Chang

25 May 2021

This study presents a noncontact electrocardiogram (ECG) measurement system to replace conventional ECG electrode pads during ECG measurement. The proposed noncontact electrode design comprises a surface guard ring, the optimal input resistance, a gr...

(This article belongs to the Special Issue Advances in ECG Sensing and Monitoring)
  • Article
  • Open Access
539 Views
15 Pages

Development and Evaluation of a Quadrant Silicon Pad Sensor for the TexAT Active Target Detector

  • Gyoung Mo Gu,
  • Kyung Yuk Chae,
  • Jong Won Hwang,
  • Kevin Insik Hahn and ,
  • Jin-A Jeon,
  • Min-Bin Kim,
  • Sunghoon Ahn and
  • Hye Young Lee
  • + 3 authors+ 0 author

15 May 2026

For low-energy rare-isotope beam experiments, a large-area quadrant silicon pad sensor (5 × 5 cm2) has been developed for the TexAT active target system. Unlike finely segmented sensors such as small-scale pad or strip sensors, the operational...

(This article belongs to the Section Sensors Development)
  • Article
  • Open Access
1 Citations
1,847 Views
13 Pages

Simulation-Based Design of a Silicon SPAD with Dead-Space-Aware Avalanche Region for Picosecond-Resolved Detection

  • Meng-Jey Youh,
  • Hsin-Liang Chen,
  • Nen-Wen Pu,
  • Mei-Lin Liu and ,
  • Yu-Pin Chou,
  • Wen-Ken Li and
  • Yi-Ping Chou
  • + 2 authors+ 0 author

2 October 2025

This study presents a simulation-based design of a silicon single-photon avalanche diode (SPAD) optimized for picosecond-resolved photon detection. Utilizing COMSOL Multiphysics, we implement a dead-space-aware impact ionization model to accurately c...

(This article belongs to the Topic Advanced Electromagnetic Modeling and Simulation for Multidisciplinary Engineering Systems)
  • Article
  • Open Access
3,036 Views
20 Pages

Robust Pixel Design Methodologies for a Vertical Avalanche Photodiode (VAPD)-Based CMOS Image Sensor

  • Akito Inoue,
  • Naoki Torazawa,
  • Shota Yamada,
  • Yuki Sugiura and ,
  • Motonori Ishii,
  • Yusuke Sakata,
  • Taiki Kunikyo,
  • Masaki Tamaru,
  • Shigetaka Kasuga and
  • Tsuyoshi Tanaka
  • + 20 authors+ 15 authors

21 August 2024

We present robust pixel design methodologies for a vertical avalanche photodiode-based CMOS image sensor, taking account of three critical practical factors: (i) “guard-ring-free” pixel isolation layout, (ii) device characteristics &ldquo...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
31 Citations
10,158 Views
16 Pages

An Enhanced Sensing Application Based on a Flexible Projected Capacitive-Sensing Mattress

  • Wen-Ying Chang,
  • Chi-Chun Chen,
  • Chih-Cheng Chang and
  • Chin-Lung Yang

17 April 2014

This paper presents a cost-effective sensor system for mattresses that can classify the sleeping posture of an individual and prevent pressure ulcers. This system applies projected capacitive sensing to the field of health care. The charge time (CT)...

(This article belongs to the Section Physical Sensors)
  • Review
  • Open Access
7 Citations
4,575 Views
38 Pages

Reduction in Dark Current in Photodiodes: A Review

  • Alper Ülkü,
  • Ralph Potztal,
  • Tobias Blaettler,
  • Cengiz Tuğsav Küpçü and ,
  • Reto Besserer,
  • Dietmar Bertsch,
  • Tina Strüning and
  • Samuel Huber
  • + 3 authors+ 0 author

8 April 2026

Dark current represents a fundamental limiting factor in photodiode performance, establishing the noise floor and constraining detectivity in low-light applications. This comprehensive literature review examines publications covering the physical mec...

(This article belongs to the Special Issue Optoelectronic Integration Devices and Their Applications)
  • Article
  • Open Access
15 Citations
11,523 Views
12 Pages

1 June 2020

Recently, eco-friendly energy conversion policies have been being promoted through de-nuclearization and de-coal. For this purpose, a super grid should be built to optimize sustainable renewable energy resources such as solar and wind power. Accordin...

  • Article
  • Open Access
71 Views
22 Pages

On Technological Aspects in the Development of Perovskite Gamma Radiation Detectors

  • Normunds Grundmanis,
  • Vladimir Gostilo,
  • Aleksandr Lupilov and
  • Alan Owens

10 November 2026

This paper outlines the protocols, methods, and technological steps used to manufacture perovskite semiconductor radiation detectors and compares them with those used in the manufacture of more traditional semiconductor materials, such as Si, HPGe, C...

(This article belongs to the Section Crystal Engineering)
  • Article
  • Open Access
528 Views
18 Pages

Junction Formation and Leakage Current Suppression in Planar High-Purity Germanium Detectors for Low-Energy X-Ray Detection

  • Meng Cao,
  • Qingzhi Hu,
  • Yanggang Jia,
  • Zexin Wang and ,
  • Zhaoran Guan,
  • Haofei Huang,
  • Linjun Wang and
  • Jian Huang
  • + 3 authors+ 0 author

13 July 2026

This study addresses the need for dark-current control and stable current response in planar high-purity germanium (HPGe) detectors for low-energy X-ray detection. A device fabrication strategy based on the coupled optimization of near-surface treatm...

(This article belongs to the Special Issue Novel Functional Luminescent Materials: From Mechanisms to Applications)
  • Article
  • Open Access
7 Citations
4,367 Views
17 Pages

Design and Characterization of Backside Termination Structures for Thick Fully-Depleted MAPS

  • Thomas Corradino,
  • Gian-Franco Dalla Betta,
  • Lorenzo De Cilladi,
  • Coralie Neubüser and
  • Lucio Pancheri

31 May 2021

Fully Depleted Monolithic Active Pixel Sensors (FD-MAPS) represent an appealing alternative to hybrid detectors for radiation imaging applications. We have recently demonstrated the feasibility of FD-MAPS based on a commercial 110 nm CMOS technology,...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
35 Citations
6,241 Views
14 Pages

Reproducible NiO/Ga2O3 Vertical Rectifiers with Breakdown Voltage >8 kV

  • Jian-Sian Li,
  • Hsiao-Hsuan Wan,
  • Chao-Ching Chiang,
  • Xinyi Xia and ,
  • Timothy Jinsoo Yoo,
  • Honggyu Kim,
  • Fan Ren and
  • Stephen J. Pearton
  • + 3 authors+ 0 author

28 May 2023

Optimized vertical heterojunction rectifiers with a diameter of 100 µm, consisting of sputter-deposited p-type NiO forming a p–n junction with thick (10 µm) Ga2O3 drift layers grown by halide vapor phase epitaxy (HVPE) on (001) Sn-doped (1019 cm−3) β...

(This article belongs to the Section Inorganic Crystalline Materials)
  • Article
  • Open Access
4 Citations
2,140 Views
12 Pages

Effects of PCNA Stability on the Formation of Mutations

  • Matan Arbel-Groissman,
  • Batia Liefshitz and
  • Martin Kupiec

The fidelity of replication, especially in the presence of DNA damage, is essential for the proper function of cells. Mutations that inactivate genes involved in DNA damage repair or bypass are enriched in several types of cancer cells. Thus, it is i...

(This article belongs to the Special Issue Yeasts: Model Systems for Molecular Research)
  • Communication
  • Open Access
8 Citations
3,926 Views
9 Pages

Ultraviolet Response in Coplanar Silicon Avalanche Photodiodes with CMOS Compatibility

  • Qiaoli Liu,
  • Li Xu,
  • Yuxin Jin,
  • Shifeng Zhang and ,
  • Yitong Wang,
  • Anqi Hu and
  • Xia Guo
  • + 2 authors+ 0 author

20 May 2022

Highly sensitive ultraviolet (UV) photodetectors are highly desired for industrial and scientific applications. However, the responsivity of silicon photodiodes in the UV wavelength band is relatively low due to high-density Si/SiO2 interface states....

(This article belongs to the Special Issue State-of-the-Art Optical Sensors Technology in China)
  • Article
  • Open Access
14 Citations
3,361 Views
6 Pages

Impact of Anode Thickness on Breakdown Mechanisms in Vertical GaN PiN Diodes with Planar Edge Termination

  • Mona A. Ebrish,
  • Matthew A. Porter,
  • Alan G. Jacobs,
  • James C. Gallagher and ,
  • Robert J. Kaplar,
  • Brendan P. Gunning,
  • Karl D. Hobart and
  • Travis J. Anderson
  • + 3 authors+ 0 author

27 April 2022

GaN vertical PiN diodes with different anode thicknesses were fabricated on three native GaN wafers with the same p-layer doping concentrations, and planar hybrid edge termination. The breakdown behavior in terms of the breakdown voltage and the elec...

(This article belongs to the Section Inorganic Crystalline Materials)
  • Article
  • Open Access
36 Citations
4,924 Views
18 Pages

Metrics Related to Confusion Matrix as Tools for Conformity Assessment Decisions

  • Dubravka Božić,
  • Biserka Runje,
  • Dragutin Lisjak and
  • Davor Kolar

14 July 2023

Conformity assessment refers to activities undertaken to check whether some product, service or process meets certain criteria and specifications given by internationally accepted standards. The decision on whether a property of interest is aligned w...

(This article belongs to the Topic Measurement Strategies and Standardization in Manufacturing)
  • Article
  • Open Access
9 Citations
3,760 Views
14 Pages

A Novel Method for the Micro-Clearance Measurement of a Precision Spherical Joint Based on a Spherical Differential Capacitive Sensor

  • Wen Wang,
  • He Yang,
  • Min Zhang,
  • Zhanfeng Chen and ,
  • Guang Shi,
  • Keqing Lu,
  • Kui Xiang and
  • Bingfeng Ju
  • + 3 authors+ 0 author

9 October 2018

A spherical joint is a commonly used mechanical hinge with the advantages of compact structure and good flexibility, and it becomes a key component in many types of equipment, such as parallel mechanisms, industrial robots, and automobiles. Real-time...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
10 Citations
3,563 Views
12 Pages

The Optimization of NiO Doping, Thickness, and Extension in kV-Class NiO/Ga2O3 Vertical Rectifiers

  • Chao-Ching Chiang,
  • Jian-Sian Li,
  • Hsiao-Hsuan Wan,
  • Fan Ren and
  • Stephen J. Pearton

19 July 2023

Ga2O3 heterojunction rectifiers have emerged as a novel candidate for various power conversion applications by using NiO as the solution on the p-type side. In this work, the optimized design of high-breakdown (1–7 kV), vertical geometry NiO/Ga...

(This article belongs to the Section Materials for Energy Applications)
  • Review
  • Open Access
11 Citations
4,106 Views
23 Pages

Edge termination techniques play a crucial role in enhancing the breakdown voltage (BV) and managing electric field distribution in GaN-based power devices. This review explores six key termination methods—field plate (FP), mesa, bevel, trench,...

(This article belongs to the Special Issue Feature Review Papers in Electronics)
  • Article
  • Open Access
325 Views
48 Pages

A 1Mrad Rad-Hard 20mA Linear Regulator for Deep Space in Standard 180nm CMOS Process

  • Cristiano Calligaro,
  • Umberto Gatti,
  • Aldo Parlato and
  • Elio Angelo Tomarchio

3 October 2026

This work presents two radiation-hard LDO regulators (one with PMOS and the other with NMOS power transistor) implemented in a standard 180 nm CMOS technology by X-Fab, delivering a programmable voltage output (1 V, 1.2 V or 1.8 V) with up to 20 mA l...

  • Article
  • Open Access
2 Citations
4,051 Views
12 Pages

A Novel DTSCR Structure with High Holding Voltage and Enhanced Current Discharge Capability for 28 nm CMOS Technology ESD Protection

  • Zeen Han,
  • Shupeng Chen,
  • Hongxia Liu,
  • Shulong Wang and ,
  • Boyang Ma,
  • Ruibo Chen and
  • Xiaojun Fu
  • + 2 authors+ 0 author

31 December 2023

To cope with the much narrower ESD design window in 28 nm CMOS technology, a novel diode-triggered silicon-controlled rectifier with an extra discharge path (EDP-DTSCR) for ESD protection is proposed in this paper. Compared with the traditional DTSCR...

(This article belongs to the Section D: Materials and Processing)
  • Article
  • Open Access
9 Citations
3,179 Views
12 Pages

COP1 Mediates Dark-Induced Stomatal Closure by Suppressing FT, TSF and SOC1 Expression to Promote NO Accumulation in Arabidopsis Guard Cells

  • Yu-Yan An,
  • Jing Li,
  • Yu-Xin Feng,
  • Zhi-Mao Sun and ,
  • Zhong-Qi Li,
  • Xiao-Ting Wang,
  • Mei-Xiang Zhang and
  • Jun-Min He
  • + 3 authors+ 0 author

30 November 2022

RING-finger-type ubiquitin E3 ligase Constitutively Photomorphogenic 1 (COP1) and floral integrators such as FLOWERING LOCUS T (FT), TWIN SISTER OF FT (TSF) and SUPPRESSOR OF OVEREXPRESSION OF CONSTANS1 (SOC1) have been identified as regulators of st...

(This article belongs to the Special Issue Nitric Oxide Signalling and Metabolism in Plants)
  • Proceeding Paper
  • Open Access
2 Citations
615 Views
6 Pages

26 November 2024

Micro-electro-mechanical system (MEMS) gas flowmeters are innovative devices that use microfabrication technology to measure gas flow with high precision and sensitivity. With MEMS technology, flow measurement can now be performed more accurately and...

(This article belongs to the Proceedings of The 11th International Electronic Conference on Sensors and Applications)
  • Article
  • Open Access
948 Views
21 Pages

11 May 2026

Cashmere is recognized as one of the most valuable natural fibers due to its softness, fineness, and valuable properties. However, the production of fine cashmere yarns remains technically challenging due to the intrinsic variability of fiber charact...

  • Article
  • Open Access
5 Citations
2,762 Views
28 Pages

3 May 2022

A new method is proposed for determining the test surface of steel rebar in concrete during polarization measurements of corrosion rate of reinforcement using the method of Electrochemical Impedance Spectroscopy. The methodology was based on the orig...

(This article belongs to the Special Issue Research on Non-destructive Testing in Civil Engineering Materials)
  • Feature Paper
  • Article
  • Open Access
13 Citations
4,870 Views
15 Pages

13 August 2019

The naturally occurring radionuclides (radium-226, thorium-232, potassium-40 and radon-222) were investigated in the alkaline rocks of Abu Khuruq Ring, southern Eastern Desert, Egypt. A high-resolution germanium detector was used for the detection of...

  • Article
  • Open Access
73 Views
27 Pages

9 November 2026

Electrostatic signals in pneumatic conveying depend on solids mass flow rate, air velocity, particle distribution and material, complicating direct estimation. This study classified five nominal solids mass flow rates (0.1–10 g/s) for wheat flo...

(This article belongs to the Section Sensors Development)
  • Article
  • Open Access
3 Citations
1,770 Views
13 Pages

Comprehensive Comparison of Front- and Back-Illuminated Single-Photon Avalanche Diodes in 110 nm Standard CMOS Image Sensor Technology

  • Doyoon Eom,
  • Won-Yong Ha,
  • Eunsung Park,
  • Jung-Hoon Chun and ,
  • Jaehyuk Choi,
  • Woo-Young Choi and
  • Myung-Jae Lee
  • + 2 authors+ 0 author

6 March 2026

This paper presents a process-controlled study of illumination engineering in single-photon avalanche diodes (SPADs) fabricated in a 110 nm standard CMOS image sensor (CIS) technology. Front-illuminated (FI) and back-illuminated (BI) SPADs were imple...

(This article belongs to the Special Issue Advances in Single Photon Detectors)
  • Review
  • Open Access
6 Citations
4,651 Views
16 Pages

7 January 2025

The tripartite-motif protein 56 (TRIM56) is a RING-type E3 ubiquitin ligase whose functions were recently beginning to be unveiled. While the physiological role(s) of TRIM56 remains unclear, emerging evidence suggests this protein participates in hos...

(This article belongs to the Special Issue TRIM Proteins in Antiviral Immunity and Virus Pathogenesis)
  • Article
  • Open Access
43 Citations
7,739 Views
14 Pages

Comprehensive Study and Optimization of Implementing p-NiO in β-Ga2O3 Based Diodes via TCAD Simulation

  • Hong Zhou,
  • Shifan Zeng,
  • Jincheng Zhang,
  • Zhihong Liu and ,
  • Qian Feng,
  • Shengrui Xu,
  • Jinfeng Zhang and
  • Yue Hao
  • + 3 authors+ 0 author

29 September 2021

In this paper, we carried out a comprehensive study and optimization of implementing p-NiO in the β-Ga2O3 based diodes, including Schottky barrier diode (SBD) with p-NiO guard ring (GR), p-NiO/β-Ga2O3 heterojunction (HJ) barrier Schottky (HJBS) diode...

(This article belongs to the Special Issue Wide Bandgap Semiconductor Materials and Devices)
  • Article
  • Open Access
4 Citations
4,007 Views
16 Pages

13 July 2023

The orchid genus Brachystele Schltr. (Orchidoideae, Cranichideae, Spiranthinae) comprises 20 species distributed from Mexico to Argentina, with 10 species found in Brazil. Anatomical studies of Orchidoideae Lindl. have been scarce, and the anatomy an...

  • Article
  • Open Access
5 Citations
2,608 Views
15 Pages

Experimental Tests of Conduction/Convection Heat Transfer in Very High Porosity Foams with Lattice Structures, Immersed in Different Fluids

  • Gianluigi Bovesecchi,
  • Paolo Coppa,
  • Sandra Corasaniti,
  • Girolamo Costanza and ,
  • Michele Potenza and
  • Maria Elisa Tata
  • + 1 author+ 0 author

12 August 2023

This experimental work presents the results of measurements of thermal conductivity λ and convection heat transfer coefficient h on regular structure PLA and aluminium foams with low density ratio (~0.15), carried out with a TCP (thermal condu...

(This article belongs to the Special Issue New Challenges in Heat Transfer Enhancement)
  • Article
  • Open Access
13 Citations
6,286 Views
19 Pages

22 June 2021

Capacitive sensors are widely used in industrial applications, such as CNC machine tools, where reliable positioning in the micrometer range with nanometer accuracy is required. Hence, these sensors are operated in harsh industrial environments. The...

(This article belongs to the Collection Position Sensor)