Scheduling and control of a wafer transfer robot for foundry equipment innovation competition

Kai Tai Song*, Song Qing Ou, Cheng An Yang, Yu Xuan Sun, Li Ren Kang, Zhen Yu Wang, Yu Shin Wang, Pei Chun Lu, Chun Long Ko, Yao Hsiang Chen

*此作品的通信作者

研究成果: Conference article同行評審

1 引文 斯高帕斯(Scopus)

摘要

This paper presents a design and implementation of a wafer transfer robotic system for a Foundry Equipment Innovation Competition. In this system, a 4-DOF robotic arm was designed and constructed for wafer transfer between a cassette and processing chambers. The purpose of this competition was to promote intelligent automation for wafer fabrication, in which multiple wafers and chambers need to be handled simultaneously. A scheduling algorithm is proposed for efficient task execution of wafer to process recipes assigned during the competition. The task also features to integrate defect detection and endpoint determination of wafer processing. The robot was required to receive the processing data from the mission platform to determine the endpoint of wafer processing in a chamber and complete the recipe automatically. The online inspection algorithm detects wafer defects during the task execution and report to the task planner. The state of each wafer and chamber are taken into consideration for scheduling in order to complete the wafer fabrication in an efficient and flexible manner. The developed robotic system spent 9 minutes to complete the assigned mission of transferring 6 wafers among multiple chambers and 2 cassettes and achieved 93.4% defect-detection rate in the competition.

原文English
頁(從 - 到)624-632
頁數9
期刊IFAC-PapersOnLine
52
發行號15
DOIs
出版狀態Published - 9月 2019
事件8th IFAC Symposium on Mechatronic Systems, MECHATRONICS 2019 - Vienna, Austria
持續時間: 4 9月 20196 9月 2019

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