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Keywords: Etch anisotropy.png A graphical representation of the w anisotropy of w etching Red masking layer; yellow layer to be removed A perfectly isotropic etch produces round sidewalls A perfectly anisotropic etch produces vertical sidewalls own 03 13 1 January 2007 UTC Smack talk Public domain Source file available upon request See also image Etch selectivity png and image Aniso wet etch png Etching microfabrication |