Point contacts
# 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
