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Cost of Ownership Challenges in Front-End Thermal Processes
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Alan Levine, Wright Williams & Kelly, USA
ABSTRACT
The use of new ultrapure polysilicon furnaceware has a dramatic impact on the cost of ownership for the entire LPCVD polysilicon process. Benefits are demonstrated in cost reduction and increased productivity. Further benefits are demonstrated for yield, which is quantified in cost of ownership as a change in scrap costs. Sensitivity analysis allows these results to be extrapolated to a wide range of situations.
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