2014
DOI: 10.1117/12.2048898
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Large-radius neutral beam enhanced chemical vapor deposition process for non-porous ultra-low-k SiOCH

Abstract: Pores in ultra-low-k carbon-doped silicon oxide (SiOCH) film have been a serious problem because they produce fragile film strength, with the film incurring damage from integration and diffusion of Cu atoms in thermal annealing. To address this problem, we developed a practical large-radius neutral beam enhanced CVD process to precisely control the film structure so as to eliminate any pores in the film. We used the process with dimethoxy-tetramethyl-disiloxane (DMOTMDS) as a precursor to form a SiOCH film on … Show more

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