Austin, TX December 5, 2011 – SACHEM will be exhibiting at SEMICON Japan 2011, December 7-9 in Chiba, Japan. SACHEM’s feature offering this year is the Envure System™, an exciting platform of next generation electronic formulation components for complex cleaning, etching or stripping applications. SACHEM’s Envure System™ includes the following product lines: Envure™ – high purity…