5.2. Bulk Micromachining

Try these first

1. 1.

   What is bulk micromachining?

   Hint

   Think about what material is used and the process involved.

2. 2.

   Name one application of bulk micromachining.

   Hint

   Consider everyday technology that uses sensors.

3. 3.

   What is the main purpose of bulk micromachining?

   • Create large structures
   • Remove material to form microstructures
   • Integrate electronic components

   Hint

   Focus on the definition of the term.

4. 4.

   True or False: Wet etching can provide vertical sidewalls in microstructures.

   • True
   • False

   Hint

   Consider the characteristics of wet etching.

5. 5.

   Evaluate the impact of bulk micromachining on the production cost of MEMS devices. Provide examples.

   Hint

   Consider how etching processes can reduce material waste.

6. 6.

   Design a project that utilizes both wet and dry etching. What would be your criteria for choosing each method?

   Hint

   Think about the advantages of each etching process in relation to the project’s goals.