Micro and Smart System Technology

Q.1. What is Smart material system? [2]

Q.2. What is Microsystem? [2]

Q.3. Write down the application areas of microsystems. [2]

Q.4. Write down the advantages of electro-thermal actuator. [2]

Q.5. Draw the block diagram of conductometric gas sensor. [2]

Q.6. What is lithography? Write down the types of lithography. [2]

Q.7. Write down the difference between wet and dry etching. [2]

Q.8. What is Piezoresistive modeling? [2]

Q.9. What is thermal loading? [2]

Q.10. What is multichip module technology? [2]

Q.1. Explain the working of Micro-machined transducers, with the help of neat and clean diagram. [8]

Q.2. Write down the name of components of a smart system. Explain all the components in brief. [8]

Q.3. What is silicon capacitive accelerometer? Write down the advantage of this sensor. Explain with circuit diagram. [8]

Q.4. Explain with the help of neat and clean diagram of wafer-bonding and metallization process in Silicon wafer processing. [8]

Q.5. Explain the block diagram of coupled electro-mechanics and capillary electrophoresis. [8]

Q.6. How can measure the Elastic deformation and analysis the stress of beams and plates? [8]

Q.7. Draw the flow diagram of Thermal Cycler for DNA amplification. Explain all the steps in brief. [8]

Q.1. How can integrate of microelectronics and micro-devices at wafer and chip levels. Also explain the packaging process in Microelectronic. [15]

Q.2. What are the component of electrostatics used in modelling? Explain it and also explain the scaling issues in Modeling. [15]

Q.3. Explain the following terms - [15]

• (a) Thin-film deposition
• (b) Thick-film processing
• (c) Smart material processing
• (d) Emerging trends
• (e) Magnetic micro relay

Q.4. What are the difference between Sensors and Actuators? Explain the working principle, circuit diagram and advantages of surface acoustic wave based wireless strain sensor. [15]

Q.5. Draw the structure of Smart material system. Also explain the components, applications and commercial products of smart materials systems. [15]