Electrical Insulation
Definition
Ability to prevent current flow, core for electronic tapes.
Historical Background
1920s: born for wire/cable insulation. 1950s: polyimide for high-temp electronics.
Example
Black insulating tape withstands thousands of volts. Like a bulletproof vest for circuits.
Formula
Breakdown Voltage (kV) = Insulation Thickness (mm) x Dielectric Strength (kV/mm)
Core Concepts
Preventing electron migration: electrons bound in chemical bonds.
Extended Applications
General: 600V; high-voltage: 10kV+; high-temp: 15kV; flexible: 5kV; high-frequency: 50kV.