5.8. Comparative Summary of Techniques

Try these first

1. 1.

   What is bulk micromachining primarily used for?

   Hint

   Think about what process involves material removal.

2. 2.

   Name one advantage of surface micromachining.

   Hint

   Consider the capability of the method.

3. 3.

   Which of the following is a structure created by surface micromachining?

   • Cavities
   • Micro gears
   • Membranes

   Hint

   Remember that surface micromachining builds on the surface.

4. 4.

   True or False: High-Aspect-Ratio Micromachining is more cost-effective than bulk micromachining.

   • True
   • False

   Hint

   Think about the depth and precision in processes.

5. 5.

   Design a MEMS device that could benefit from both bulk and surface micromachining. Explain how each method would contribute to the overall design.

   Hint

   Think of how both methods can complement each other in design.

6. 6.

   Discuss the trade-offs when selecting between HARMS and traditional machining techniques for a biomedical implant application.

   Hint

   Evaluate the constraints of cost versus precision.