title: Planar
text: # Planar
  
  Planar is an adjective meaning "relating to a plane (geometry)".
  
  Planar may also refer to:
  
  ## Science and technology
  
  * Planar (computer graphics), computer graphics pixel information from several bitplanes
  * Planar (transmission line technologies), transmission lines with flat conductors
  * Planar, the structure resulting from the planar process used in the manufacture of semiconductor devices, such as planar transistors
  * Planar graph, graph that can be drawn in the plane so that no edges cross
  * Planar mechanism, a system of parts whose motion is constrained to a two-dimensional plane
  * Planar Systems, an Oregon-headquartered manufacturer of digital displays
  * Zeiss Planar, photographic lens designed by Paul Rudolph at Carl Zeiss in 1896
  