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24th December 1947
The Germanium
Transistor.
The
Photograph below is a
replica of the first
working transistor
built by John Bardeen
(1908-91), William
Bradford Shockley
(1910-89) and Walter
Houser Brattain
(1902-87) Bell
Telephone Laboratories
USA. It was first
demonstrated on
December 24th
1947. Today
thousands of transistor
circuits can be etched
on to a single silicon
chip the size of a
match head. |
Photo
Copyright Bell Labs USA
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