Samsung Electronics Co., Ltd.

Jongkyu Song

Jin Seong Heo

Chanhee Jeon

ChangSu Kim

Jaehyun Yoo

Jangkyu Choi

An electrostatic discharge protection device includes: an emitter region disposed on a semiconductor substrate; a base region surrounding the emitter region; a first collector region surrounding the base region; a second collector region surrounding the first collector region; a second conductivity-type drift region below the emitter region, and being deeper than the base region; a second conductivity-type well region disposed below the base region, and having a junction interface with the second conductivity-type drift region; and a plurality of isolation portions disposed between the emitter region, the base region, and the first collector region and the second collector region.

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Incheon, South Korea

Jongkyu Song