STRUCTURE AND METHOD FOR TRANSIENT VOLTAGE SUPPRESSION DEVICES WITH A TWO-REGION BASE

STRUCTURE AND METHOD FOR TRANSIENT VOLTAGE SUPPRESSION DEVICES WITH A TWO-REGION BASE

A transient voltage suppression (TVS) device and a method of forming the device are provided. The TVS device includes a first layer of wide band-gap semiconductor material formed of a first conductivity type material, a second layer of wide band-gap semiconductor material formed of a second conducti...

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Bibliographische Detailangaben
Hauptverfasser: KASHYAP AVINASH SRIKRISHNAN, BOLOTNIKOV ALEXANDER VIKTOROVICH
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A transient voltage suppression (TVS) device and a method of forming the device are provided. The TVS device includes a first layer of wide band-gap semiconductor material formed of a first conductivity type material, a second layer of wide band-gap semiconductor material formed of a second conductivity type material over at least a portion of the first layer, the second layer including a first concentration of dopant. The TVS device further including a third layer of wide band-gap semiconductor material formed of the second conductivity type material over at least a portion of the second layer, the third layer including a second concentration of dopant, the second concentration of dopant being different than the first concentration of dopant. The TVS device further including a fourth layer of wide band-gap semiconductor material formed of the first conductivity type material over at least a portion of the third layer.