ZHOU Liang, HAN David, SUN Quan-qin, WANG Dan-ming, LI Hua, CHEN Yao. Practical design method of PECVD cavity check-up tool[J]. , 2015,30(5): 813-818 DOI: 10.3788/YJYXS20153005.0813.
Practical design method of PECVD cavity check-up tool
PECVD equipment is mainly used for the vapor deposition in the process of Array TFT to produce non-metal film layer
which protects and switches metal circuit. In PECVD process
cavity design is complex and reaction conditions are harsh
the process will lead to bad products
so we need to do pre-maintenance on a regular basis. On the background of PECVD PM
we improved the method and emphatically introduced the cavity check-up leak tool design process because of the time-consuming of PM. We designed a domestic leak detection tool
and applied it into mass producing successfully. Final test results showed that pressure reached to 10 mT in 3 min and the leakage rate is 0.45 mT/min
which accord with the equipment standard.
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references
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