DE3345449

DE3345449

An anode region (21) and a base region (23) of one conductivity type are formed on the surface of a chip (20) of the other conductivity type. An emitter region (24) is contained within the base region, (23) and an auxiliary region (23a) of the one conductivity type is laterally spaced from and surro...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HERMAN, THOMAS, REDONDO BEACH, CALIF., US, WILLIAMS, OLIVER, CAMARILLO, CALIF., US
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PULSE TECHNIQUE
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:An anode region (21) and a base region (23) of one conductivity type are formed on the surface of a chip (20) of the other conductivity type. An emitter region (24) is contained within the base region, (23) and an auxiliary region (23a) of the one conductivity type is laterally spaced from and surrounding the base region (23). Anode and cathode electrodes (41,40) are connected to the anode and emitter regions respectively, and a LED illuminates the surface to turn on the thyristor.