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相关概念视频

Masking and Demasking Agents01:19

Masking and Demasking Agents

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EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
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In mathematics and physics, the gradient and del operator are fundamental concepts used to describe the behavior of functions and fields in space. The gradient is a mathematical operator that gives both the magnitude and direction of the maximum spatial rate of change. Consider a person standing on a mountain. The slope of the mountain at any given point is not defined unless it is quantified in a particular direction. For this reason, a "directional derivative" is defined, which is a vector...
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相关实验视频

Updated: Sep 11, 2025

Application of Deep Learning-Based Medical Image Segmentation via Orbital Computed Tomography
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使用梯度手术策略的全场源和面具优化.

He Yang, Yanqiu Li, Miao Yuan

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    此摘要是机器生成的。

    梯度手术 (GS) 理论解决了在全场源和面罩优化 (FFSMO) 中的梯度冲突. 这种方法可以提高整个曝光场的成像准确性和均性.

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    科学领域:

    • * 半导体制造业 半导体制造业
    • * 光学 lithography 的光学 lithography 的使用.
    • * 计算式 lithography 的使用.

    背景情况:

    • * 石版镜头在不同场点上呈现不均的偏差,影响成像质量.
    • *全场源和面罩优化 (FFSMO) 旨在减轻这些偏差,但由于场点之间的梯度冲突,面临着融合问题.

    研究的目的:

    • * 解决FFSMO中的梯度冲突问题,以改善石版成像.
    • * 通过梯度手术理论来提高FFSMO的收性和最佳性.

    主要方法:

    • *应用梯度手术 (GS) 理论来解决FFSMO中的梯度冲突.
    • *每个场点的梯度投射到冲突场点的梯度正常平面上.
    • * 根据更正的梯度信息更新源和面罩模式.

    主要成果:

    • * 拟议的梯度手术全场源和面具优化 (GS-FFSMO) 方法有效地减轻了梯度冲突.
    • * 在整个曝光场中观察到光刻成像准确度和均性的显著改善.
    • *与传统的FFSMO相比,GS-FFSMO表现优越.

    结论:

    • *梯度手术是克服FFSMO梯度冲突的可行方法.
    • *GS-FFSMO方法提高了光刻成像的精度和一致性.
    • * 这种技术为先进的半导体制造提供了一条优化复杂光刻工艺的途径.