A scheme of high-dimensional key-variable search algorithms for yield improvement

Fan Tien Cheng, Yao Sheng Hsieh, Jing Wen Zheng, Szu Min Chen, Ren Xiang Xiao, Chin Yi Lin

研究成果: Article

5 引文 (Scopus)

摘要

Product yield directly affects production cost. Thus manufacturers seek to quickly enhance product yield during the development and mass-production processes. In other words, when a yield loss occurs, the root causes should be found rapidly in both the development and mass-production phases. When a yield loss is encountered, the traditional yield enhancement approach is to collect all production-related data to perform big data analysis in order to find out the root causes of affecting yield and remedy them. However, production-related data are extremely large and complicated, which makes it hard to search for the root causes of a yield loss. This leads to the problem of high-dimensional variable selection. To solve this problem, a scheme of Key-variable Search Algorithms (KSAs) is proposed in this paper. The inputs of this KSA scheme include production routes, process data, inline data, defects, and final inspection results; while the outputs are search results and their corresponding reliance indices. The search results are the key stages that cause the yield loss or the key variables that are the root causes of the yield loss. The thin film transistor-liquid crystal display (TFT-LCD) process is adopted as the illustrative example to demonstrate the KSA scheme.

原文English
文章編號7498656
頁(從 - 到)179-186
頁數8
期刊IEEE Robotics and Automation Letters
2
發行號1
DOIs
出版狀態Published - 2017 一月 1

指紋

Search Algorithm
High-dimensional
Roots
Thin-film Transistor
Liquid Crystal Display
Thin film transistors
Variable Selection
Liquid crystal displays
Inspection
Data analysis
Enhancement
Defects
Output
Costs
Demonstrate

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Biomedical Engineering
  • Human-Computer Interaction
  • Mechanical Engineering
  • Computer Vision and Pattern Recognition
  • Computer Science Applications
  • Control and Optimization
  • Artificial Intelligence

引用此文

Cheng, Fan Tien ; Hsieh, Yao Sheng ; Zheng, Jing Wen ; Chen, Szu Min ; Xiao, Ren Xiang ; Lin, Chin Yi. / A scheme of high-dimensional key-variable search algorithms for yield improvement. 於: IEEE Robotics and Automation Letters. 2017 ; 卷 2, 編號 1. 頁 179-186.
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A scheme of high-dimensional key-variable search algorithms for yield improvement. / Cheng, Fan Tien; Hsieh, Yao Sheng; Zheng, Jing Wen; Chen, Szu Min; Xiao, Ren Xiang; Lin, Chin Yi.

於: IEEE Robotics and Automation Letters, 卷 2, 編號 1, 7498656, 01.01.2017, p. 179-186.

研究成果: Article

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