Tuesday, May 24, 2011
Re: Shutdown stsetch2 SNF 2011-05-18 13:22:32: extreme grass formation
I am not seeing a grass for the Jim-Etch-1 recipe which uses hi freq bias and a fixed throttle (16%) position (13/40 mT) for 6 min. But I am seeing a "black silicon" suface for the SOI HAR GC3-1 recipe which uses low freq bias (85w) with auto pressure control (12/26mT) and 2.5 EM current for 5 min. I am removing the shutdown since my recipe does not show grass. I will continue to look at what is going on with the SOI recipe. Jim
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