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Autor:
Audrey Beckert, Werner Graf, Kristin Schupke, Clemens Fitz, Sven Schmidbauer, Ines Thuemmel, Momtchil Stavrev
Publikováno v:
Microelectronic Engineering. 85:2025-2027
Conventional DRAM contact to Si cleaning methods are using wet HF-based chemistry to remove the native SiO"2 from the contact bottom and reduce the contact resistance [M.R. Baklanov, et al., J. Electrochem. Soc. 145 (9) (1998) 3240-3246]. With furthe