Heater FPCs generate heat by passing electricity through a conductor (conductor: Stainless Steel or Copper). By affixing heater to the application, it can be protected from fogging, condensation, and temperature drop. The heater can handle a variety of shapes and can be used in tight spaces, bends, etc.
Anti-fog and dew condensation on camera lenses
Prevention of coagulation of liquids such as ink and blood