Assertion: semiconductor | /r/ObjectUse | used as rectifier
Facets:
Source sentences:
text: Prior to the invention of the bipolar transistor in 1947, semiconductors were used only as two-terminal devices, such as rectifiers and photodiodes.
text: p-n Junctions of germanium, silicon or other semiconductor materials have superior rectification effect so that such a semiconductor device has been used as a rectifier.
text: Prior to the invention of the bipolar transistor in 1947, semiconductors were used only as two-terminal devices, such as rectifiers and photodiodes.