Profile: Theis Enterprises is a manufacturer of plasma etchers, parts, service training, diagnostic equipment that are mainly used in the semiconductor industry. Our 901e /903e Etchers is offer with following features ACCS Digital Control System; Oxide (903e) or Poly/Nitride (901e) Etchers; standalone, tabletops; Wafer sizes 3" to 6"; 600W / 1000W generators; and 4 Etchant gases. Our services include module repair, field repair and test productions.