noun
Esaki diode; tunnel diode
Technical term in electronics; named after Leo Esaki. Also called トンネルダイオード.
エサキダイオードは負性抵抗を示す半導体素子です。
The Esaki diode is a semiconductor device that exhibits negative resistance.
Variant with interpunct; less common in running text.
Synonym; トンネルダイオード is the more common English-derived term, while エサキダイオード uses the inventor's name.
From the name of Japanese physicist Leo Esaki (江崎玲於奈) + ダイオード (diode).