5.6. Soft Lithography and Polymer MEMS

Try these first

1. 1.

   What is the main purpose of soft lithography?

   Hint

   Think about the materials used in health monitoring.

2. 2.

   What does PDMS stand for?

   Hint

   It's a common polymer used in soft lithography.

3. 3.

   What is the primary material used in soft lithography for flexible structures?

   • Silicon
   • PDMS
   • SU-8

   Hint

   Think of a polymer that is both flexible and biocompatible.

4. 4.

   True or False: Microcontact printing can only be used for flat surfaces.

   • True
   • False

   Hint

   Consider the adaptability of stamping techniques.

5. 5.

   Design a soft lithography process for a specific wearable sensor. Include the steps and explain the choice of materials.

   Hint

   Think about the functionality of the sensor and how each step contributes to the final product.

6. 6.

   Evaluate the advantages and disadvantages of using PDMS compared to traditional silicon for MEMS applications.

   Hint

   Consider how the properties affect performance in different contexts.