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公开(公告)号：US20240312985A1
公开(公告)日：2024-09-19
申请号：US18515524
申请日：2023-11-21
发明人： JONGKYU SONG , JIN HEO , Minho KIM , Jooyoung SONG , EUNSUK LEE , CHANHEE JEON
CPC分类号： H01L27/067 , H01L27/0817
摘要： Disclosed is an electrostatic discharge protection device which includes a substrate including a first well having a first conductivity type and a second well surrounding the first well, first to fifth diffusion regions formed on the first well, and sixth and seventh diffusion regions formed on the second well. The second diffusion region surrounds the first diffusion region, the fourth diffusion region surrounds the fifth diffusion region, and the fifth diffusion region surrounds the second diffusion region and the fourth diffusion region. The sixth diffusion region surrounds the fifth diffusion region, and the seventh diffusion region surrounds the sixth diffusion region. The sixth and seventh diffusion regions are connected to an anode electrode, and the first to fifth diffusion regions are connected a cathode electrode.
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公开(公告)号：US20240105711A1
公开(公告)日：2024-03-28
申请号：US18361892
申请日：2023-07-30
发明人： JONGKYU SONG , Minho KIM , JIN HEO , Kyoungil DO , Jooyoung SONG , CHANHEE JEON
CPC分类号： H01L27/0262 , H01L27/0255 , H01L27/0292 , H02H9/046
摘要： An electro-static discharge protection device includes a substrate that includes a first well that has a first conductive type and a second well that has a second conductive type, and first to eighth diffusion regions formed on the first well and the second well. At least a portion of the diffusion regions formed in the first well are connected to a first electrode, and at least a portion of diffusion regions formed in a second well are connected to a second electrode. The contact between one of diffusion regions formed in the first well and an N well forms a trigger diode. A junction between one of diffusion regions formed in a second well and a P well forms a trigger diode. The trigger diodes are electrically connected to each other.
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