4. MEMS Design and Fabrication Techniques
MEMS design integrates mechanical engineering, electrical engineering, materials science, and microfabrication technologies to create reliable, efficient devices. The chapter outlines essential design principles and fabrication techniques, addressing both mechanical and electrical considerations to ensure optimal performance while adhering to manufacturing constraints. Effective design practices aim for manufacturability, balancing between performance and reliability throughout the MEMS development process.
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What we have learnt
- MEMS design requires a multidisciplinary approach that integrates various engineering fields.
- Key design objectives include achieving desired functionality, optimizing size and power, and ensuring reliability.
- Different fabrication techniques such as bulk and surface micromachining are vital for the production of MEMS devices.
Key Concepts
- -- MEMS
- Micro-Electro-Mechanical Systems, which are tiny mechanical devices integrated with electronic components.
- -- Bulk Micromachining
- A fabrication method where material is removed from a substrate to create structures.
- -- Surface Micromachining
- A process that builds structures by depositing and patterning thin films on wafer surfaces.
- -- Design for Manufacturability (DFM)
- An approach that considers manufacturing capabilities during the design phase to reduce costs and improve productivity.
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