B.E. III Sem Electronics & Communication Engineering

III SEMESTER

3EC5. Electronic Materials & Processes

 

UNIT 1 : DIELECTRIC MATERIALS : Polarisation phenomenon, spontaneous polarisation, dielectric constant and loss, piezo and ferro electricity.


UNIT 2 : MAGNETIC MATERIALS: Dia, para, ferro-ferrimagnetism; soft and hard magnetic materials and their applications.


UNIT 3 : SEMI CONDUCTOR MATERIALS : Crystal growth, zone refining, Degenerate and nondegenerate semiconductors, Direct and indiret silicon, Germanium, Compound Semiconductor, Gallium Arsenide, gallium phosphide & Silicon carbide.


UNIT 4: CONDUCTIVE & SUPERCONDUCTIVE MATERIALS : Electrical properties of conductive and resistive materials. Important characteristics and electronic applications of specific conductor & resistance materials. Superconductor phenomenon, Type I and Type II superconductors and their applications.


UNIT 5: PASSIVE COMPONENETS & PCB FABRICATION: Brief study of fabrication methods of fixed and variable type of resistors; capacitors, Inductors, solenoid and toroid, air core, iron core and Ferro core conductors. Printed Circuit Boards – Types, Manufacturing of copper clad laminates, PCB Manufacturing process, Manufacturing of single and double sided PCBs. Surface mount devices – advantages & limitations.