Boron-doped amorphous carbon film for use as a hard etch...

Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material

Reexamination Certificate

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C438S014000, C438S636000, C438S780000

Reexamination Certificate

active

06939794

ABSTRACT:
A hard mask comprising boron-doped amorphous carbon, and a method for forming the hard mask, provides improved resistance to etches of a variety of materials compared with previous amorphous carbon hard mask layers.

REFERENCES:
patent: 4675265 (1987-06-01), Kazama et al.
patent: 6333255 (2001-12-01), Sekiguchi
patent: 6424044 (2002-07-01), Han et al.
patent: 6469425 (2002-10-01), Sakai et al.
patent: 6750127 (2004-06-01), Chang et al.
patent: 2002/0088707 (2002-07-01), Towle

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