Walter H. Schottky
Walter H. Schottky (
July 23,
1886,
Zürich,
Switzerland -
March 4,
1976, Pretzfeld,
West Germany) was a
German physicist who invented the
screen-grid vacuum tube in
1915 and the
tetrode in
1919 while working at
Siemens. In
1938, Schottky formulated a theory predicting the
Schottky effect, now used in Schottky diodes.
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