Diffused junction transistor: Difference between revisions

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==Planar transistor==
[[ImageFile:NpnNPN bjtBJT cross(Planar) Cross-section.svg|thumb|Simplified cross section of a planar ''npn'' bipolar junction transistor]]
The '''planar transistor''' was developed by Dr. [[Jean Hoerni]]<ref>[http://semiconductormuseum.com/PhotoGallery/PhotoGallery_2N1613.htm Transistor Museum, Historic Transistor Photo Gallery, '''Fairchild 2N1613''']</ref> at [[Fairchild Semiconductor]] in 1959. The [[planar process]] used to make these transistors made mass-produced monolithic [[integrated circuit]]s possible.