4. This transmission line is used in microwave circuit. It consists of a narrow, flat conductor sandwiched between dielectric boards whose outside surfaces are coated with conductor :
Introduction to Transmission Line » Exercise - 15. Is a narrow, flat conductor on a single dielectric board whose opposite face is metallized, much like an ordinary printed-circuit board. It is also used in microwave circuits : (a) Stripline (b) Microstrip (c) Waveguide (d) Coax
Introduction to Microwave » Exercise - 1 12. The wavelength for microwave frequencies are : (a) More than 1 m (b) Less than 1 mm (c) From 1 mm to 1 m (d) 0.3 to 300 m
Introduction to Microwave » Exercise - 1 11. The largest application of microwave is : (a) Industrial heating (b) Research (c) Cooking (d) Communication