Assertion: purity silicon | /r/CapableOf | begin replacing germanium
Facets:
value: in diodes
type: LOCATION
value: in rectifiers
type: OTHER
value: in transistors
type: OTHER
Source sentences:
text: From 1950 through the early 1970s, this area provided an increasing market for germanium, but then high-purity silicon began replacing germanium in transistors, diodes, and rectifiers.