Point contacts

Point contacts may refer to:


 * Contact breaker, a type of electrical switch
 * Point contact diode, a type of semiconductor diode
 * Point of contact, a person serving as the focal point of information concerning an activity
 * Point-contact transistor, the first type of solid-state electronic transistor ever constructed, in 1947
 * Quantum point contact, a narrow constriction between two wide electrically conducting regions