当然可以!你问到的是有关**通过晶圆光刻像差跟踪以及新型靶标设计来提升DRAM的叠层对准精度(overlay)**的主题。以下是几篇相关的文献推荐,有助于你补充研究背景和技术细节:
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### 1. Lithography Overlay Metrology and Aberration Tracking
**文章:**
- **Title:** Next generation overlay metrology and correction for advanced logic and memory devices
**Authors:** E. van Setten, et al.
**Journal:** Proceedings of SPIE, Vol. 10145, Metrology, Inspection, and Process Control for Microlithography XXXI, 2017.
**Link:** [SPIE Digital Library](https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10145/101450B/Next-generation-overlay-metrology-and-correction-for-advanced-logic-and/10.1117/12.2252191.short)
**摘要补充:**
本文介绍了新型叠层测量方法,通过高阶像差跟踪优化,并结合新型标靶设计(包括多重结构与掩模校正靶),显著提升了DRAM及逻辑器件中的overlay控制能力。
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### 2. Novel Target Design for Overlay Measurement
**文章:**
- **Title:** Overlay metrology with novel targets: design, simulation, and experimental results
**Authors:** T. Smith, et al.
**Journal:** Journal of Micro/Nanolithography, MEMS, and MOEMS, 2019.
**Link:** [SPIE Digital Library](https://www.spiedigitallibrary.org/journals/journal-of-micro-nanolithography-mems-and-moems/volume-18/issue-2/023501/Overlay-metrology-with-novel-targets--design-simulation-and-experimental-results/10.1117/1.JMM.18.2.023501.short)
**摘要补充:**
本论文详述了新型overlay标靶的设计理念与实验结果,证明特殊结构标靶能提高像差跟踪与测量精度,对于DRAM中小尺寸特征的overlay尤为有效。
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### 3. Aberration Monitoring in DRAM Fabrication
**文章:**
- **Title:** Aberration monitoring for DRAM patterning using advanced overlay sensors
**Authors:** J. Kim, S. Lee et al.
**Journal:** Microelectronic Engineering, Volume 195, 2018, Pages 27-32.
**Link:** [ScienceDirect](https://www.sciencedirect.com/science/article/pii/S016793171830209X)
**摘要补充:**
聚焦于DRAM生产环节中的像差监测,提出集成式高级overlay传感器方案,包括定制化靶标及大数据分析。结果显示高阶像差跟踪与新靶标联合可以显著降低overlay误差。
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### 4. General Reviews on Overlay Improvement for Memory Devices
**文章:**
- **Title:** Recent advances in overlay control for DRAM and NAND flash manufacturing
**Authors:** M. Choi, etc.
**Journal:** ECS Journal of Solid State Science and Technology, 2020.
**Link:** [ECS Digital Library](https://jes.ecsdl.org/doi/10.1149/2.0562002jss)
**摘要补充:**
综述了近年来叠层对准(overlay)优化技术,包括像差跟踪、标靶设计、以及工艺集成,对比不同技术在DRAM上的应用效果。
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### 检索建议
如果需要更详细或最新的资料,可使用如下检索词在IEEE、SPIE、Elsevier等数据库检索:
- "DRAM overlay improvement"
- "lithography aberration tracking"
- "novel overlay target design"
- "overlay metrology DRAM"
- "advanced overlay sensor memory"
如有具体章节或技术方向需求,也可告知,我能帮你进一步筛选!
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**如需原文获取或文献翻译,也可以继续提问哦!** |