YAG laser assisted etching for releasing silicon micro structure

Abstract

YAG laser assisted etching techniques were developed and investigated for releasing silicon micro structures. HCl, SF/sub 6/ etc., which produce volatile exhaust, were used as etching gas at atmospheric pressure. The YAG laser assisted etching was applied to fabricate an electrostatic microactuator, a resonating sensor and accelerometers. This resistless dry etching can be applied to three-dimensional structures.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>