germanium

Transistor
Transistor
Society: IEEEMain Category: ElectricalSub Category: Components, Circuits, Devices & SystemsEra: 1940-1949DateCreated: 1947Building 6Murray HillState: NJZip: 07974Country: USAWebsite: http://www.ieeeghn.org/wiki/index.php/Milestones:Invention_of_the_First_Transistor_at_Bell_Telephone_Laboratories,_Inc.,_1947, http://www.alcatel-lucent.com/wps/portal/!ut/p/kcxml/04_Sj9SPykssy0xPLMnMz0vM0Y_QjzKLd4w3MfQFSYGYRq6m-pEoYgbxjgiRIH1vfV-P_NxU_QD9gtzQiHJHR0UAAD_zXg!!/delta/base64xml/L0lJayEvUUd3QndJQSEvNElVRkNBISEvNl9BX0FLTC9lbl93dw!!?LMSG_CABINET=Bell_Labs&LMSG_CONTENT_FILE=History/Timeline/Timeline_Innovation_000060&UNIQUE_NAME=lu.gen.prt.pg.rendition&lu_lang_code=en_WWCreator: Shockley, William, Brattain, Walter H., Bardeen, John A., Bell Labs

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Image Credit: National ArchivesImage Caption: In 1997 Lucent Technologies created this replica to commemorate the 50th anniversary of the invention of the point-contact transistor at Bell Labs in December 1947.Era_date_from: 1947
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