The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 20, 2024
Filed:
Dec. 06, 2021
Samsung Electronics Co., Ltd., Suwon-si, KR;
Jongkyu Song, Incheon, KR;
Jaehyun Yoo, Suwon-si, KR;
Jangkyu Choi, Hwaseong-si, KR;
Jin Heo, Suwon-si, KR;
Changsu Kim, Hwaseong-si, KR;
Chanhee Jeon, Hwaseong-si, KR;
Abstract
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.