Abstract
The combination of aligned silicon fusion bonding (SFB) with deep reactive ion etching (DRIE) is a flexible technology platform that can be used to fabricate complex multi-layer MEMS services. Silicon wafers can be processed separately and subsequently aligned and bonded and further processed. DRIE technology enables very deep (through-wafer) silicon etching with high-aspect-ratio beams and trenches (1:20), using standard resist masks. DRIE technology can be used in combination with a buried cavity, etched into the bottom substrate before boding, to fabricate a suspended microstructure. Based on this technology platform, a multi- level microfluidics board, thermal actuators, a microvalve, and a high sensitivity accelerometer have been designed, fabricated, and tested.© (1999) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
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