First transistor (replica), Bell Labs, 1947

Prev
Next
Image Zoom
  • Details
  • Description
Date Introduced
1947
Photographer
Richards, Mark
Dimensions
overall: 5 1/2 in x 5 in x 5 in
Manufacturer
Bell Telephone Laboratories, Inc.
Credit Line
Gift of Robert Guenther
Copyright Owner
© Mark Richards
Object ID
102677103

The first transistor used two closely spaced gold contacts pressed onto the surface of a slab of high-purity germanium.