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Specific Process Knowledge/Etch/Etching of Silicon Nitride: Difference between revisions

BGE (talk | contribs)
BGE (talk | contribs)
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*Isotropic etch
*Isotropic etch
*Well suited for removing all nitride on a wafer surface (nitride strip) without a mask. High selectivity Si<sub>3</sub>N<sub>4</sub>/Si (>100) and Si<sub>3</sub>N<sub>4</sub>/SiO2 (>20) @ 180 C.
*Well suited for removing all nitride on a wafer surface (nitride strip) without a mask. High selectivity Si<sub>3</sub>N<sub>4</sub>/Si (>100) and Si<sub>3</sub>N<sub>4</sub>/SiO<sub>2</sub> (>20) @ 180 C.
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*Isotropic etch
*Isotropic etch