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- W2023183652 abstract "Amorphous carbon layers (ACLs) were prepared by plasma enhanced chemical vapor deposition (PECVD) from 1-hexene (C6H12) and propylene (C3H6) as a carbon source at different temperatures for dry etch hard mask of semiconductor devices manufacturing process. The deposition rate of ACL deposited at 550 °C from C6H12 and C3H6 was 5050 Å/min and 6360 Å/min. Although the deposition rate of ACL deposited from C6H6 was lower than that from C3H6, normalized deposition rate of ACL deposited from C6H12 was 1.64 times higher than that from C3H6. The relative amount of hydrocarbon contents measured by FTIR (Fourier transformation infrared) and TDS (thermal desorption spectroscopy) was decreased with the increase of deposition temperature. Raman results showed that the numbers and size of graphite cluster of ACLs deposited from each source were increased with the increase of deposition temperature. The extinction coefficient of ACL deposited at 550 °C from C6H12 was 0.51 and that from C3H6 was 0.48. The density of ACL deposited at 550 °C from C6H12 was 1.48 g/cm3 and that from C3H6 was 1.45 g/cm3. The dry etching rate of ACL deposited at 550 °C from C6H12 was 1770 Å/min and that from C3H6 was 1840 Å/min. The deposition rate, dry etch rate and the amount of hydrocarbon contents of ACLs deposited from each carbon source were decreased with the increase of deposition temperature but extinction coefficient and density were increased with the increase of deposition temperature. We concluded that the variation behavior of the deposition characteristics and film properties of ACLs from C6H12 with the increase of deposition temperature was the same as those of ACLs from C3H6. The high density and low dry etch rate of ACL from C6H12 can be explained by less hydrocarbon incorporation during deposition and these properties are more favorable for the dry etch hard mask application in semiconductor device fabrication." @default.
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- W2023183652 date "2011-08-01" @default.
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- W2023183652 title "Comparative study on the properties of amorphous carbon layers deposited from 1-hexene and propylene for dry etch hard mask application in semiconductor device manufacturing" @default.
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- W2023183652 doi "https://doi.org/10.1016/j.tsf.2011.04.077" @default.
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