概要（Overview）

The AutoEtch 590 is part of Lam Research Corporation’s AutoEtch product line, which was first introduced in January 1982. The AutoEtch series includes the 490, 590, and 690 series, designed for etching polysilicon, oxide, and aluminum film applications, respectively. The AutoEtch 590 is suitable for film applications involving line-widths of 0.8 microns or greater and wafer sizes of six inches or smaller. Despite being over fourteen years old, the AutoEtch series has undergone continued improvements in both reliability and performance.