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IEEE Transactions on Semiconductor Manufacturing Publication Information 电气和电子工程师学会半导体制造期刊》出版信息
IF 2.7 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-02-05 DOI: 10.1109/TSM.2023.3334410
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引用次数: 0
Call for Papers for IEEE Transactions on Materials for Electron Devices 电气和电子工程师学会《电子器件材料学报》征稿启事
IF 2.7 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-02-05 DOI: 10.1109/TSM.2024.3359520
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引用次数: 0
Joint Call for Papers for IEEE Transactions on Semiconductor Manufacturing and IEEE Transactions on Electron Devices: Special Issue on Semiconductor Design for Manufacturing (DFM) IEEE Transactions on Semiconductor Manufacturing》和《IEEE Transactions on Electron Devices》杂志联合征稿:半导体制造设计 (DFM) 特刊
IF 2.7 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-02-05 DOI: 10.1109/TSM.2024.3356972
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引用次数: 0
SnS₂ and ZnO Nanocomposite Prepared by Dispersion Method for Photodetector Application 用分散法制备的用于光探测器的 SnS₂ 和 ZnO 纳米复合材料
IF 2.7 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-12-27 DOI: 10.1109/TSM.2023.3347606
Ajay Kumar Dwivedi;Satyabrata Jit;Shweta Tripathi
This letter reports a SnS2 and ZnO nanocomposite (NC) prepared by dispersion method. The nanocomposite shows promising characteristics for optoelectronic application. SnS2:ZnO NC shows a wide absorption spectrum covering ultraviolet (UV)-visible-near infrared (NIR) regions. Hence, using the proposed nanocomposite a broadband photodetector with a structure comprising Al/ SnS2:ZnO/PEDOT:PSS/ Indium Tin Oxide (ITO) is fabricated. At a bias voltage of 1 V, the measured responsivity values (A/W) of the proposed device are 140.41, 848.63, and 1094.48 at 350 nm (UV), 750 nm (visible) and 900 nm (NIR), respectively.
这封信报告了一种通过分散法制备的 SnS2 和 ZnO 纳米复合材料(NC)。该纳米复合材料在光电应用方面表现出良好的特性。SnS2:ZnO NC 显示出覆盖紫外线 (UV) - 可见光 - 近红外 (NIR) 区域的宽吸收光谱。因此,利用所提出的纳米复合材料,制造出了一种宽带光电探测器,其结构包括 Al/SnS2:ZnO/PEDOT:PSS/氧化铟锡(ITO)。在 1 V 的偏置电压下,拟议器件在 350 nm(紫外线)、750 nm(可见光)和 900 nm(近红外)波长下的测量响应度值(A/W)分别为 140.41、848.63 和 1094.48。
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引用次数: 0
Integrated Scheduling of Jobs, Tools, Machines, and Two Different Set of Transbots 工作、工具、机器和两组不同的横向机器人的综合调度
IF 2.7 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-12-15 DOI: 10.1109/TSM.2023.3343633
Andy Ham;Myoung-Ju Park;John Fowler
This paper studies simultaneous scheduling of production and material transfer that arises in the semiconductor photolithography area. In particular, the right reticle and right job both need to be present to process the job. Jobs are transferred by a material handling system that employees a fleet of vehicles. Reticles serving as an auxiliary resource are also transferred from one place to another by a different set of vehicles. This intricate scheduling challenge, encompassing jobs, reticles, machines, and two distinct sets of vehicles, is explored here for the first time. The paper introduces a multi-stage methodology that involves relaxation, a constructive heuristic, constraint programming, and a warm-start approach to address this complex problem.
本文研究半导体光刻领域中出现的生产和材料传输同步调度问题。特别是,正确的光栅和正确的作业必须同时出现才能完成作业。作业由一个由车队员工组成的材料处理系统传送。作为辅助资源的光罩也由不同的车辆从一个地方传送到另一个地方。本文首次探讨了这一错综复杂的调度难题,其中包括作业、视网膜、机器和两组不同的车辆。本文介绍了一种多阶段方法,包括松弛、建设性启发式、约束编程和热启动方法,以解决这一复杂问题。
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引用次数: 0
A Model Averaging Prediction of Two-Way Functional Data in Semiconductor Manufacturing 半导体制造中双向功能数据的平均预测模型
IF 2.7 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-12-06 DOI: 10.1109/TSM.2023.3339731
Soobin Kim;Youngwook Kwon;Joonpyo Kim;Kiwook Bae;Hee-Seok Oh
This paper proposes a linear regression model for scalar-valued responses and two-way functional (bivariate) predictors. Our motivation stems from the quality evaluation of products based on optical emission spectroscopy data from virtual metrology of semiconductor manufacturing. We focus on multivariate cases where the smoothness and shapes of the data vary significantly across variables. We propose a two-step solution to this problem, consisting of decomposition and prediction. First, we decompose the two-way functional data into pairs of component functions using functional singular value decomposition. Next, we build functional linear models for the decomposed functional variables and obtain the final predictor by averaging the models. Results from numerical studies, including simulation studies and real data analysis, demonstrate the promising empirical properties of the proposed approach, especially when the number of predictors is large.
本文针对标量值响应和双向函数(双变量)预测因子提出了一种线性回归模型。我们的动机源于基于半导体制造虚拟计量学中光学发射光谱数据的产品质量评估。我们的重点是数据的平滑度和形状在不同变量之间存在显著差异的多变量情况。针对这一问题,我们提出了由分解和预测两步组成的解决方案。首先,我们使用函数奇异值分解法将双向函数数据分解为成对的分量函数。然后,我们为分解后的函数变量建立函数线性模型,并通过平均这些模型得到最终预测结果。包括模拟研究和实际数据分析在内的数值研究结果表明,所提出的方法具有良好的经验特性,尤其是在预测因子数量较多时。
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引用次数: 0
A Unified Machine Learning Through Focus Resist 3-D Structure Model 通过 Focus Resist 三维结构模型进行统一机器学习
IF 2.7 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-12-06 DOI: 10.1109/TSM.2023.3340110
Mingyang Xia;Yan Yan;Chen Li;Xuelong Shi
To ensure post OPC data quality, examination based on estimated resist contours at resist bottom alone is insufficient, reliable prediction of lithography performance within process window must rely on complete information of on-wafer resist 3D structures. In this regard, resist 3D structure model, in particular, the through focus resist 3D structure model, with full chip capability will be the ultimate model in demand. To develop machine learning resist 3D structure models,we have proposed the physics-based information encoding scheme, together with carefully chosen deep convolution neural network and model training strategies. Our proposed through focus resist 3D structure model is based on conditional U-net structure with first five eigen images as model’s main inputs and the focus setting as the conditional input. The average normalized cross correlation (NCC) or mean structure similarity index between ground truth and model predicted resist 3D structures can reach 0.92. With single GPU (Tesla M60), it takes 6.1ms for the model to produce resist 3D structure covering area of 1.8umx1.8 $mu {mathrm{ m}}$ . The model is fast enough and can be engineered for full chip implementation. The model can extend the capability of detecting lithography process window aware resist loss related hotspots.
要确保 OPC 后数据的质量,仅根据光刻胶底部的估计光刻胶轮廓进行检查是不够的,必须依靠晶圆上光刻胶三维结构的完整信息,才能可靠地预测工艺窗口内的光刻性能。在这方面,光刻胶三维结构模型,尤其是具有全芯片能力的通焦光刻胶三维结构模型,将成为最终的需求模型。为了开发机器学习光刻胶三维结构模型,我们提出了基于物理的信息编码方案,并精心选择了深度卷积神经网络和模型训练策略。我们提出的穿透焦点抗阻三维结构模型是基于条件 U-net 结构的,前五幅特征图像是模型的主要输入,焦点设置是条件输入。地面实况与模型预测的光栅三维结构之间的平均归一化交叉相关性(NCC)或平均结构相似性指数可达 0.92。使用单 GPU(Tesla M60)时,模型生成面积为 1.8umx1.8 $mu {mathrm{ m}}$的抗蚀三维结构需要 6.1 毫秒。该模型速度足够快,可用于全芯片实现。该模型可以扩展检测光刻工艺窗口意识到的光刻胶损耗相关热点的能力。
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引用次数: 0
Machine Learning on Multiplexed Optical Metrology Pattern Shift Response Targets to Predict Electrical Properties 利用多路复用光学计量模式偏移响应目标的机器学习来预测电气特性
IF 2.7 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-12-05 DOI: 10.1109/TSM.2023.3339330
Thomas J. Ashby;Vincent Truffert;Dorin Cerbu;Kit Ausschnitt;Anne-Laure Charley;Wilfried Verachtert;Roel Wuyts
Doing high throughput high accuracy metrology in small geometries is challenging. One approach is to build easily measurable proxy targets onto dies and make a predictive model based on those signals. We use optical Pattern Shift Response (PSR) proxy targets to build predictive models of the electrical characteristics of devices in the Back End Of Line (BEOL). Given the wide choice of PSR targets, we explore how to select combinations of them to maximise the utility of the features for building an accurate Machine Learning (ML) model; we call this approach Multiplexed Optical Metrology. We also explore the trade-off between chip area dedicated to targets and achievable accuracy. We run ML experiments using different selections of targets measured at different stages of BEOL processing: post-lithography and post-Chemical-Mechanical-Planarisation (CMP). Our results show that a) reasonable predictive performance can be achieved for a reasonable area budget; b) ML model performance across target families varies significantly, thus justifying the need for careful selection of targets; c) longitudinal measurements of targets increases accuracy for no extra area penalty; d) increasing the number of targets gives some improvement in accuracy for a dataset of this size, but relatively small compared to the increase in area budget needed. Ultimately we aim to do die-level yield prediction using these techniques. We discuss how collecting a larger dataset with appropriate yield information is the logical next step to achieving this.
在小型几何结构中进行高通量、高精度测量具有挑战性。一种方法是在模具上建立易于测量的替代目标,并根据这些信号建立预测模型。我们使用光学模式偏移响应(PSR)代理目标来建立生产线后端(BEOL)器件电气特性的预测模型。鉴于有多种 PSR 目标可供选择,我们探讨了如何选择这些目标的组合,以最大限度地利用这些特征来建立精确的机器学习 (ML) 模型;我们将这种方法称为多路复用光学计量学。我们还探索了专用于目标的芯片面积与可实现的精度之间的权衡。我们使用在 BEOL 处理的不同阶段(光刻后和化学机械平坦化 (CMP) 后)测量的不同目标选择进行 ML 实验。我们的结果表明:a) 在合理的面积预算下,可以实现合理的预测性能;b) 不同目标系列的 ML 模型性能差异很大,因此需要仔细选择目标;c) 纵向测量目标可以提高准确性,而不会增加额外的面积损失;d) 增加目标数量可以在一定程度上提高这种规模数据集的准确性,但与所需增加的面积预算相比,提高的幅度相对较小。我们的最终目标是利用这些技术进行芯片级良率预测。我们将讨论收集具有适当良率信息的更大数据集如何成为实现这一目标的合理的下一步。
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引用次数: 0
Coherent Fourier Scatterometry for Detection of Killer Defects on Silicon Carbide Samples 相干傅立叶散射测量法检测碳化硅样品上的杀手缺陷
IF 2.7 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-11-29 DOI: 10.1109/TSM.2023.3337720
Jila Rafighdoost;Dmytro Kolenov;Silvania F. Pereira
It has been a widely growing interest in using silicon carbide (SiC) in high-power electronic devices. Yet, SiC wafers may contain killer defects that could reduce fabrication yield and make the device fall into unexpected failures. To prevent these failures from happening, it is very important to develop inspection tools that can detect, characterize and locate these defects in a non-invasive way. Current inspection techniques such as Dark Field or Bright field microscopy are effectively able to visualize most such defects; however, there are some scenarios where the inspection becomes problematic or almost impossible, such as when the defects are too small or have low contrast or if the defects lie deep into the substrate. Thus, an alternative method is needed to face these challenges. In this paper, we demonstrate the application of coherent Fourier scatterometry (CFS) as a complementary tool in addition to the conventional techniques to overcome different and problematic scenarios of killer defects inspection on SiC samples. Scanning electron microscopy (SEM) has been used to assess the same defects to validate the findings of CFS. Great consistency has been demonstrated in the comparison between the results obtained with CFS and SEM.
人们对在大功率电子设备中使用碳化硅(SiC)的兴趣与日俱增。然而,碳化硅晶片可能含有致命缺陷,这些缺陷可能会降低制造良率,使设备出现意外故障。为了防止这些故障的发生,开发能够以非侵入方式检测、表征和定位这些缺陷的检测工具非常重要。目前的检测技术(如暗视野或明视野显微镜)能够有效地观察到大多数此类缺陷;但在某些情况下,检测会出现问题或几乎不可能,例如当缺陷太小或对比度较低时,或者当缺陷位于基底深处时。因此,我们需要一种替代方法来应对这些挑战。在本文中,我们展示了相干傅立叶散射测量法(CFS)作为传统技术之外的一种补充工具,在检测 SiC 样品上的杀手级缺陷时如何克服不同的难题。扫描电子显微镜 (SEM) 被用来评估相同的缺陷,以验证 CFS 的发现。通过比较 CFS 和扫描电子显微镜获得的结果,发现两者具有很高的一致性。
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引用次数: 0
Single-Mask Fabrication of Sharp SiOx Nanocones 单掩模制造尖锐氧化硅纳米锥体
IF 2.7 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2023-11-28 DOI: 10.1109/TSM.2023.3336169
Eric Herrmann;Xi Wang
The patterning of silicon and silicon oxide nanocones onto the surfaces of devices introduces interesting phenomena such as anti-reflection and super-transmissivity. While silicon nanocone formation is well-documented, current techniques to fabricate silicon oxide nanocones either involve complex fabrication procedures, non-deterministic placement, or poor uniformity. Here, we introduce a single-mask dry etching procedure for the fabrication of sharp silicon oxide nanocones with smooth sidewalls and deterministic distribution using electron beam lithography. Silicon oxide films deposited using plasma-enhanced chemical vapor deposition are etched using a thin alumina hard mask of selectivity > 88, enabling high aspect ratio nanocones with smooth sidewalls and arbitrary distribution across the target substrate. We further introduce a novel multi-step dry etching technique to achieve ultra-sharp amorphous silicon oxide nanocones with tip diameters of ~10 nm. The processes presented in this work may have applications in the fabrication of amorphous nanocone arrays onto arbitrary substrates or as nanoscale probes.
将硅和氧化硅纳米锥图案化到设备表面会产生有趣的现象,如抗反射和超透射。虽然硅纳米锥的形成已得到充分证实,但目前制造氧化硅纳米锥的技术要么涉及复杂的制造程序,要么涉及不确定的放置位置,要么涉及较差的均匀性。在此,我们介绍一种单掩模干法蚀刻程序,用于利用电子束光刻技术制造具有光滑侧壁和确定性分布的尖锐氧化硅纳米锥。采用等离子体增强化学气相沉积沉积的氧化硅薄膜使用选择性大于 88 的薄氧化铝硬掩膜进行蚀刻,从而获得侧壁光滑、在目标基底上任意分布的高纵横比纳米锥。我们进一步介绍了一种新颖的多步骤干法蚀刻技术,以获得尖端直径约为 10 纳米的超锐利非晶硅氧化物纳米锥。这项工作中介绍的工艺可应用于在任意基底上制造非晶纳米锥阵列或用作纳米级探针。
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引用次数: 0
期刊
IEEE Transactions on Semiconductor Manufacturing
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